{"title":"Fuses","description":"\u003ch2\u003eMarine fuses to protect onboard circuits\u003c\/h2\u003e\n\u003cp\u003eA fuse primarily protects the cable and circuit against overcurrents. It must be selected based on cable cross-section, length, voltage, rated current, inrush current, and fuse holder location. On a boat, the correct choice limits overheating, simplifies diagnostics, and prevents an electrical fault from becoming a safety hazard.\u003c\/p\u003e\n\u003ch3\u003eBlade fuses and auxiliary circuits\u003c\/h3\u003e\n\u003cp\u003eATO\/ATC blade fuses protect small to medium circuits: lighting, electronics, auxiliary pumps, instruments, or service outlets. \u003ca href=\"\/en-us\/products\/blue-sea-fusibles-ato-atc\"\u003eATO\/ATC fuses\u003c\/a\u003e cover these common uses, while the \u003ca href=\"\/en-us\/products\/blue-sea-fusible-easyid-5a-illumine-bateau\"\u003eeasyID 5 A fuse\u003c\/a\u003e and the \u003ca href=\"\/en-us\/products\/blue-sea-kit-fusibles-easyid-led-marin\"\u003eeasyID fuse kit\u003c\/a\u003e make it easier to identify a blown fuse. To centralize multiple circuits, \u003ca href=\"\/en-us\/products\/blue-sea-blocs-fusibles-st-blade-etanches\"\u003eST Blade waterproof fuse blocks\u003c\/a\u003e, \u003ca href=\"\/en-us\/products\/blue-sea-blocs-fusibles-compacts-st-blade\"\u003ecompact ST Blade fuse blocks\u003c\/a\u003e, \u003ca href=\"\/en-us\/products\/blue-sea-blocs-fusibles-st-blade-couvercle\"\u003eST Blade fuse blocks with cover\u003c\/a\u003e, or the \u003ca href=\"\/en-us\/products\/blue-sea-bloc-fusible-st-blade-borne-batterie\"\u003eST Blade fuse block on battery terminal\u003c\/a\u003e neatly organize blade circuits.\u003c\/p\u003e\n\u003ch3\u003eAMI\/MIDI, MEGA\/AMG, and ANL for high power\u003c\/h3\u003e\n\u003cp\u003eHigh-power circuits require fuses suitable for higher currents: chargers, inverters, windlasses, thrusters, alternators, or distribution circuits. \u003ca href=\"\/en-us\/products\/blue-sea-fusibles-ami-midi\"\u003eAMI\/MIDI fuses\u003c\/a\u003e cover compact medium-power protection, \u003ca href=\"\/en-us\/products\/blue-sea-fusibles-mega-amg\"\u003eMEGA\/AMG fuses\u003c\/a\u003e are designed for stronger circuits, and \u003ca href=\"\/en-us\/products\/blue-sea-fusible-anl\"\u003eANL fuses\u003c\/a\u003e are commonly used on battery and distribution circuits. Fuse holders such as the \u003ca href=\"\/en-us\/products\/blue-sea-porte-fusibles-anl-couvercle\"\u003eANL fuse holder with cover\u003c\/a\u003e, the \u003ca href=\"\/en-us\/products\/blue-sea-bloc-fusibles-anl-couvercle-isolant-35-750a\"\u003eANL fuse block with insulating cover - 35 to 750 A\u003c\/a\u003e, the \u003ca href=\"\/en-us\/products\/blue-sea-porte-fusible-mega-amg-100-300a-avec-couvercle\"\u003eMEGA AMG 100–300 A fuse holder with cover\u003c\/a\u003e, or the \u003ca href=\"\/en-us\/products\/bep-fh-anl-through-panel-500a-porte-fusible\"\u003eANL through-panel 500 A fuse holder\u003c\/a\u003e ensure proper contact and mechanical protection of the fuse.\u003c\/p\u003e\n\u003ch3\u003eMRBF and Class T near batteries\u003c\/h3\u003e\n\u003cp\u003eMRBF fuses are installed directly or very close to battery terminals to quickly protect a main circuit. \u003ca href=\"\/en-us\/products\/blue-sea-fusible-terminal-mrbf\"\u003eMRBF terminal fuses\u003c\/a\u003e can be paired with holders like the \u003ca href=\"\/en-us\/products\/blue-sea-blocs-fusibles-mrbf-montage-surface\"\u003esurface-mount MRBF fuse blocks\u003c\/a\u003e, the \u003ca href=\"\/en-us\/products\/blue-sea-mrbf-bloc-fusibles-montage-surface-common-source\"\u003esurface-mount MRBF fuse block - common source\u003c\/a\u003e, the \u003ca href=\"\/en-us\/products\/blue-sea-dual-mrbf-terminal-fuse-block-30-300a\"\u003edual MRBF terminal fuse block - 30 to 300 A\u003c\/a\u003e, or the \u003ca href=\"\/en-us\/products\/blue-sea-bloc-fusible-terminal-mrbf-30-a-300-a\"\u003eMRBF terminal fuse block - 30 to 300 A\u003c\/a\u003e. For very high-current installations or where high breaking capacity is required, \u003ca href=\"\/en-us\/products\/blue-sea-fusibles-class-t\"\u003eClass T fuses\u003c\/a\u003e and the \u003ca href=\"\/en-us\/products\/blue-sea-bloc-fusibles-classe-t-225-400a\"\u003eClass T fuse block with insulating cover - 225 to 400 A\u003c\/a\u003e meet battery, inverter, and main distribution requirements.\u003c\/p\u003e\n\u003ch3\u003eVictron fuses and accessories\u003c\/h3\u003e\n\u003cp\u003eVictron installations often use MEGA fuses in DC enclosures and wiring. The \u003ca href=\"\/en-us\/products\/victron-energy-porte-fusible-modulaire-mega\"\u003emodular MEGA fuse holder\u003c\/a\u003e and the \u003ca href=\"\/en-us\/products\/victron-energy-fusible-mega-60a-80v-dc\"\u003e60 A MEGA fuse\u003c\/a\u003e complement protections around chargers, inverters, batteries, and DC bus when the configuration requires this format.\u003c\/p\u003e\n\u003ch3\u003eProperly sizing a protection\u003c\/h3\u003e\n\u003cp\u003eThe rating is not chosen solely based on the connected device: it must also protect the cable. Verify cross-section, length, continuous current, startup surges, temperature, breaking capacity, and fuse holder type. To build a complete circuit, also see the \u003ca href=\"\/en-us\/collections\/disjoncteurs\"\u003eCircuit breakers\u003c\/a\u003e, \u003ca href=\"\/en-us\/collections\/tableaux-electriques\"\u003eElectrical panels\u003c\/a\u003e, \u003ca href=\"\/en-us\/collections\/cablage-electricite\"\u003eElectrical wiring\u003c\/a\u003e, \u003ca href=\"\/en-us\/collections\/cosses\"\u003eTerminals\u003c\/a\u003e, \u003ca href=\"\/en-us\/collections\/coupe-batteries\"\u003eBattery cutoffs\u003c\/a\u003e, \u003ca href=\"\/en-us\/collections\/distribution\"\u003eDistribution\u003c\/a\u003e, and \u003ca href=\"\/en-us\/collections\/electricite\"\u003eElectrical\u003c\/a\u003e collections.","products":[{"product_id":"bep-porte-fusible-classe-t-600a-2-goujons-supplementaires","title":"Class T fuse holder 600 A","description":"\u003cp\u003e\n    The BEP \u003cstrong\u003e778-T2S-600\u003c\/strong\u003e class T fuse holder is a high-performance electrical protection solution designed for demanding marine systems. Capable of handling currents from 450 to 600 A at 50 VDC, it stands out with its high interrupting rating, ranging from 20,000 to 50,000 A. This robustness makes it an essential component for the safety of installations powering high-consumption equipment such as powerful inverters, bow thrusters, or large-capacity battery banks.\n\u003c\/p\u003e\n\n\u003ch3\u003eDesign and Technical Specifications\u003c\/h3\u003e\n\u003cp\u003e\n    With compact dimensions of 147 x 49 x 61 mm and a weight of 382 g, the \u003cstrong\u003e778-T2S-600\u003c\/strong\u003e fuse holder is designed for optimized integration. It features 10 mm (3\/8\") connection studs for cables and 12 mm (0.47\") studs specifically suited for class T fuses, ensuring a secure and low-resistance connection. The two additional studs provide versatile connection points for auxiliary or bypass applications, increasing system flexibility.\n\u003c\/p\u003e\n\n\u003ch3\u003eComparison and Application\u003c\/h3\u003e\n\u003cp\u003e\n    Compared to a standard BEP ANL-TP fuse holder (such as the model supporting 35-500 A with a 3,000 A DC interrupting rating), the \u003cstrong\u003e778-T2S-600\u003c\/strong\u003e offers significantly superior protection in terms of interrupting rating. This feature is critical for circuits where very high short-circuit currents may occur, ensuring rapid and safe interruption to prevent equipment damage and fire risks. It is recommended for installations requiring maximum overcurrent protection where ANL or MIDI\/MEGA fuses would be insufficient. This model is part of BEP's current solutions for marine energy management, complementary to CZone systems for an integrated and secure electrical architecture.\n\u003c\/p\u003e","brand":"BEP Marine","offers":[{"title":"Default Title","offer_id":53723752399188,"sku":"778-T2S-600","price":49.16,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/b305z9h7_img-01.jpg?v=1778055990"},{"product_id":"blue-sea-bloc-fusible-etanche-st-blade-avec-couvercle","title":"Waterproof ST Blade fuse block with cover","description":"\u003cp\u003e\n    Designed for protecting electrical circuits in marine environments, the \u003cstrong\u003eBLUE SEA 5056100-BSS\u003c\/strong\u003e waterproof ST Blade fuse block with cover provides a compact solution for ATO\/ATC-style fuses and low-profile circuit breakers. This model stands out for its ABYC compliance thanks to its yellow knurled thumb-screw cover, allowing quick tool-free access to the fuses.\n\u003c\/p\u003e\n\n\u003ch3\u003eWaterproof and Versatile Protection\u003c\/h3\u003e\n\u003cp\u003e\n    With an IP66 waterproof rating when mounted and its gasket in place, this fuse block resists powerful water jets and spray, ensuring reliable circuit protection. It supports a maximum voltage of 32V DC and a maximum current of 80A per block, with 25A per circuit. It accepts a wide range of wire sizes, from 8 AWG to 4 AWG for the input and from 16 AWG to 10 AWG for the four load outputs, via #8-32 screw terminals and a #10-32 stud. The tinned copper C11000 bus bars and fuse clips ensure stable conductivity and corrosion resistance.\n\u003c\/p\u003e\n\n\u003ch3\u003eEasy Integration and Maintenance\u003c\/h3\u003e\n\u003cp\u003e\n    The \u003cstrong\u003e5056100-BSS fuse block\u003c\/strong\u003e integrates with ST-Blade waterproof fuse blocks (models 5056 or 5056100) and 100A waterproof bus bars (models 2356 or 2356100) from the same range for modular installations. Integral grommets maintain waterproofing even if fewer than four loads are used. The cover includes a storage space for spare fuses and fasteners. Unlike the 5056 model, which requires a tool for access, the 5056100-BSS, with its manual cover, meets ABYC standards E-11.4.27 and E-11.9.1.2 for quick, tool-free access to protective devices. Four inscriptible circuit labels are included for clear circuit identification.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"With manual cover","offer_id":53723757117780,"sku":"5056100-BSS","price":57.86,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Bloc_fusible_etanche_ST_Blade_avec_couvercle_5056100-BSS_-_Ref_c12abeda.jpg?v=1779335428"},{"product_id":"blue-sea-bloc-fusibles-securite-midi","title":"Midi fuse block","description":"\u003cp\u003e\n    The Blue Sea Systems 7720B-BSS Midi fuse block is designed for protecting marine electrical circuits. This device is certified compliant with EU Directive 94\/25\/EC on recreational craft, amended by 2003\/44\/EC, and meets ISO 8846 standards. This certification ensures protection against ignition of surrounding flammable gases, which is critical in marine environments, particularly engine compartments.\n\u003c\/p\u003e\n\n\u003ch3\u003eProtection for AMI\/Midi fuses\u003c\/h3\u003e\n\u003cp\u003e\n    This block is specifically designed for AMI\/Midi type fuses, used for main circuits and equipment requiring protection against high currents, typically up to 200 or 300 amperes depending on the installed fuse. Unlike fuse holders for ATO\/ATC fuses, intended for low-ampere circuits, the 7720B-BSS is designed to handle higher loads, ensuring rapid disconnection in case of overload. Its compact design facilitates installation in confined spaces aboard vessels.\n\u003c\/p\u003e\n\n\u003ch3\u003eCompliance and marine application\u003c\/h3\u003e\n\u003cp\u003e\n    The ISO 8846 certification, issued by the International Marine Certification Institute (IMCI), attests to the ability of this Blue Sea Systems fuse block to minimize risks of fire or explosion of electrical origin. This level of technical compliance is a key selection criterion for marine installations where safety is paramount, providing assurance of reliability for protecting critical electrical systems on vessels.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":53723757773140,"sku":"7720B-BSS","price":29.65,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Fuse_block_safety_Midi_7720B-BSS_-_Ref_2e8fa43f.jpg?v=1779399192"},{"product_id":"blue-sea-bloc-fusibles-compact-lame-st-8-circuits","title":"Compact ST blade fuse blocks - 8 circuits","description":"\u003cp\u003eDesigned for demanding marine environments, the BLUE SEA compact ST blade fuse block with 8 circuits (reference 5046B-BSS, model 5046) provides a reliable circuit protection solution. This block accepts ATO and ATC fast-acting blade fuses, enabling efficient management of onboard DC electrical systems up to 32V DC. Its compact design, with dimensions of 146 mm (length) x 43.8 mm (width), is optimized for space savings, particularly due to its single-sided entry wiring.\u003c\/p\u003e\n\n\u003ch3\u003eProtection and compliance\u003c\/h3\u003e\n\u003cp\u003eBLUE SEA model 5046 features ignition protection, making it safe for use in gasoline engine compartments in compliance with ISO 8846 and SAE J1171 standards. Its insulating cover meets ABYC\/USCG insulation requirements. The bus bars and fuse clips are made of tinned copper, ensuring good conductivity and corrosion resistance. Each circuit can handle up to 30A, with a maximum of 100A for the entire block. IP66 sealing provides protection against water spray and dust. This block is certified under the Recreational Craft and Personal Watercraft Directive 2013\/53\/EU.\u003c\/p\u003e\n\n\u003ch3\u003eIntegration and comparison\u003c\/h3\u003e\n\u003cp\u003eThis fuse block integrates easily into various installations thanks to its #8-32 screw terminals with captive locking washers and its #10-32 threaded stud, accepting ring or fork terminals. Compared to the same range model 5045, which offers 4 circuits, the 5046 provides double the capacity for installations requiring more individual protection while maintaining a compact format. It stands as a robust alternative to less protected fuse blocks, offering increased durability in marine or humid environments.\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"8","offer_id":53723758330196,"sku":"5046B-BSS","price":55.57,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_ST_Blade_Compact_Fuse_Blocks_-_8_Circuits_5046B-BSS_-_Ref_088fa802.jpg?v=1779375409"},{"product_id":"blue-sea-bloc-fusibles-st-blade-12-circuits-bus-negatif-couvercle","title":"ST Blade 12-circuit fuse block with negative bus and cover","description":"\u003cp\u003e\n    Designed for reliable and organized electrical distribution, the BLUE SEA ST Blade 5026B-BSS fuse block is a solution dedicated to 12\/24V marine installations. This block features 12 separate circuits, allowing individual protection of a variety of onboard equipment, from navigation systems to lighting. Each circuit supports a maximum current of 30A, ensuring effective protection against overcurrents.\n\u003c\/p\u003e\n\n\u003ch3\u003eIntegration and compliance\u003c\/h3\u003e\n\u003cp\u003e\n    The 5026B-BSS model stands out with its integrated negative bus, significantly simplifying wiring by providing a common return point for all circuits. This design reduces harness bulk and optimizes DC connection management. Manufactured in compliance with European Directive 2002\/95\/EC (RoHS), this fuse block guarantees the absence of hazardous substances such as lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls (PBB), and polybrominated diphenyl ethers (PBDE), with concentrations below the permitted thresholds.\n\u003c\/p\u003e\n\n\u003ch3\u003ePosition in the BLUE SEA range\u003c\/h3\u003e\n\u003cp\u003e\n    The 5026B-BSS fuse block is part of BLUE SEA’s ST Blade series, a range recognized for its marine electrical protection solutions. Within this series, it positions as a versatile 12-circuit option, offering superior management capacity compared to more compact models such as the 5025 (6 circuits) or the 5031 (6 circuits with negative bus). Its integrated negative bus design differentiates it from non-bus versions like the 5028, making it particularly suitable for installations requiring centralized ground returns for better organization and simplified maintenance.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"12 \/ With","offer_id":53723779301716,"sku":"5026B-BSS","price":47.35,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Bloc_de_fusibles_a_lame_ST_-_12_circuits_avec_bus_negatif_et_couvercle_5026B-BSS_-_Ref_a59f5282.jpg?v=1779332266"},{"product_id":"blue-sea-bloc-fusibles-st-blade-6-circuits-bus-negatif-couvercle","title":"ST Blade 6-circuit fuse block with negative bus and cover","description":"\u003cp\u003e\n    Designed for secure electrical distribution on board, the \u003cstrong\u003eBlue Sea\u003c\/strong\u003e ST Blade 6-circuit fuse block with negative bus and cover, part number 5025B-BSS, provides a compact and reliable solution for 12V and 24V marine systems. This model features six ST Blade fuse circuits, each rated up to 30A, ensuring individual protection for various electronic equipment.\n\u003c\/p\u003e\n\n\u003ch3\u003eMarine electrical integration and protection\u003c\/h3\u003e\n\u003cp\u003e\n    The \u003cstrong\u003eST Blade fuse block 5025B-BSS\u003c\/strong\u003e is equipped with a common negative bus, simplifying wiring and reducing the number of required connections. This configuration allows for orderly installation and easier maintenance of electrical systems. Compared to blocks without an integrated negative bus, it offers centralized ground management, optimizing space and installation cleanliness. It is an essential component for power distribution on small and medium-sized boats, where space is often limited and a consolidated solution is preferable.\n\u003c\/p\u003e\n\n\u003ch3\u003eTechnical specifications of the 5025B-BSS\u003c\/h3\u003e\n\u003cp\u003e\n    This fuse block complies with the European directive 2002\/95\/EC (RoHS), attesting to the absence of hazardous substances. The terminals are designed for robust and reliable connections, ensuring optimal conductivity. The 12\/24V voltage rating makes it compatible with most standard marine installations. \u003cstrong\u003eBlue Sea Systems\u003c\/strong\u003e is recognized for its durable marine electrical products, and this block aligns with that standard, offering a high-quality alternative to less specialized solutions available on the market, particularly due to its integrated cover for enhanced protection against marine environments.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"6 \/ With","offer_id":53723779498324,"sku":"5025B-BSS","price":38.46,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Bloc_de_fusibles_a_lame_ST_-_6_circuits_avec_bus_negatif_et_couvercle_5025B-BSS_-_Ref_e40c5a65.jpg?v=1779331792"},{"product_id":"blue-sea-bloc-fusibles-st-blade-6-circuits-independants","title":"ST Blade fuse block - 6 independent circuits with cover","description":"\u003cp\u003e\n    Designed for the electrical distribution of marine systems, the BLUE SEA SYSTEMS ST Blade 5035B-BSS fuse block provides a compact and secure solution. This block features 6 separate circuits, including 3 with independent power sources and 3 with a common source, allowing flexible management of protections for various onboard equipment.\n\u003c\/p\u003e\n\u003ch3\u003eVersatility and technical specifications\u003c\/h3\u003e\n\u003cp\u003e\n    The 5035B-BSS is compatible with 12V and 24V electrical systems, and each circuit can handle up to 30A. This capacity makes it suitable for a wide range of applications, from navigation instruments to lighting and pumps. The unit comes with a protective cover, ensuring the safety of connections and ST Blade (ATO\/ATC) type fuses against splashes and accidental damage. Its design complies with the European RoHS 2002\/95\/EC directive, attesting to a manufacturing process free of hazardous substances.\n\u003c\/p\u003e\n\u003ch3\u003ePositioning within the BLUE SEA SYSTEMS range\u003c\/h3\u003e\n\u003cp\u003e\n    The 5035B-BSS fuse block stands out within the BLUE SEA SYSTEMS ST Blade range due to its hybrid configuration. While the 5037 model, also from BLUE SEA SYSTEMS, offers 6 circuits all with a common source, the 5035B-BSS provides the versatility of 3 independent circuits and 3 common circuits. This feature makes it ideal for installations requiring separation of certain critical loads (for example, navigation electronics) from auxiliary loads, while optimizing wiring for groups of devices sharing the same source. This positioning offers a balance between individualized protection and simplified electrical installation on board.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":53723779662164,"sku":"5035B-BSS","price":32.87,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Bloc_de_fusibles_a_lame_ST_-_6_circuits_independants_avec_couvercle_5035B-BSS_-_Ref_ba230316.jpg?v=1779334407"},{"product_id":"blue-sea-bloc-fusibles-st-blade-bus-divise","title":"ST Blade split-bus fuse block","description":"\u003cp\u003e\n    Designed for complex marine electrical installations, the Blue Sea 5032B-BSS ST Blade split-bus fuse block provides differentiated circuit management. It allows combining on a single block six continuously powered circuits (24 hours) and six switched circuits, optimizing onboard wiring organization. This system eliminates the need for two separate blocks for permanent and controlled power requirements, simplifying the integration of essential equipment such as bilge pumps and navigation systems.\n\u003c\/p\u003e\n\n\u003ch3\u003eCapacities and technical specifications\u003c\/h3\u003e\n\u003cp\u003e\n    The 5032B-BSS is rated for a maximum voltage of 32V DC, with a 30A capacity per individual circuit and a total current of 100A (not exceeding 80A per load group). It uses ATO® or ATC® type fuses, widely available. Connections are made via #8-32 screw terminals with captive lock washers for branch circuits, accepting 10 to 16 AWG (6-15 mm²) wires. The main power connects via #10-32 studs, suitable for 4 to 6 AWG (25-16 mm²) wires, secured with stainless steel flange nuts. Recommended torque is 2.71 N·m (24 in-lb) for #10 studs and 2.03 N·m (18 in-lb) for #8 screws.\n\u003c\/p\u003e\n\n\u003ch3\u003eDesign and integration\u003c\/h3\u003e\n\u003cp\u003e\n    This fuse block features tinned copper bus bars and fuse clips, ensuring conductivity and corrosion resistance suitable for marine environments. The transparent insulating cover meets ABYC\/USCG isolation requirements and includes label holders and storage space for two spare fuses. Compared to other Blue Sea products, such as the 5035 block (6 independent circuits) or the 5025 (6 positive circuits), the 5032B-BSS stands out with its split-bus configuration with integrated ground, offering enhanced flexibility for installations requiring a mix of permanent and switched circuits in a single location. Fuses and labels are sold separately.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":53723779891540,"sku":"5032B-BSS","price":61.27,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Bloc_de_fusibles_de_bus_divise_a_lame_ST_5032B-BSS_-_Ref_d702c3b1.jpg?v=1779333596"},{"product_id":"blue-sea-bloc-fusibles-st-blade-etanche","title":"ST-Blade Water Resistant Fuse Block","description":"\u003cp\u003e\n    The BLUE SEA ST-Blade 5056 waterproof fuse block provides reliable circuit protection in demanding marine environments. This compact device is rated IP66 when mounted and gasketed, ensuring resistance to powerful water jets and harsh sea conditions. It is compatible with ATO, ATC, and EasyID fast-blow blade fuses, as well as low-profile ATO\/ATC circuit breakers.\n\u003c\/p\u003e\n\u003ch3\u003eDesign and Technical Specifications\u003c\/h3\u003e\n\u003cp\u003e\n    This fuse block features tinned copper C11000 bus bars and fuse clips, ensuring conductivity and corrosion resistance. It supports a maximum voltage of 32V DC and a maximum current of 80A per block, with 25A per circuit. It accepts an 8 AWG to 4 AWG input wire and four 16 AWG to 10 AWG load wires, allowing installation flexibility with standard ring or fork terminals. Integral plugs maintain the waterproof rating when fewer than four loads are required.\n\u003c\/p\u003e\n\u003ch3\u003eIntegration and Differentiation\u003c\/h3\u003e\n\u003cp\u003e\n    The 5056 model differs from the 5056100 version by its screw-on cover, which requires a tool for fuse access. This makes it suitable for installations where less frequent access is planned or where tool-secured closure is preferred. Unlike the 5056100 model (which uses wing screws for tool-free access and meets ABYC E-11.4.27 requirements for quick-access panels), the 5056 does not comply with ABYC requirements for main panels requiring tool-free access. It can be nested with other ST-Blade fuse blocks (5056 or 5056100) and the 100A waterproof busbar (2356 or 2356100) from Blue Sea for modular, organized installations. The block ships with four inscriptible circuit labels and includes integrated storage for spare fuses and fasteners in the cover.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Standalone unit","offer_id":53723780088148,"sku":"5056-BSS","price":39.68,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Bloc_de_fusibles_resistant_a_l_eau_ST-Blade_5056-BSS_-_Ref_81b59365.jpg?v=1779335061"},{"product_id":"blue-sea-safetyhub-100-bloc-fusibles-marin","title":"SafetyHub 100 fuse block","description":"\u003cp\u003e\n    The Blue Sea Systems SafetyHub 100 fuse block, part number 7725B-BSS, is an electrical protection solution designed for marine environments. This consolidated module manages fuses from 1A to 200A, allowing direct installation at the battery for non-switched protection or after the battery switch for switched protection.\n\u003c\/p\u003e\n\u003ch3\u003eDesign and Technical Specifications\u003c\/h3\u003e\n\u003cp\u003e\n    This fuse block operates at a nominal voltage of 12V DC. It can support a maximum combined amperage of 280A with a 4\/0 AWG (120 mm²) input cable. The SafetyHub 100 integrates two types of fuse blocks:\n\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003eThe AMI®\/MIDI® block is intended for high-current circuits, accepting fuses from 30A to 200A. It can handle a maximum amperage of 240A per block and 170A per circuit. A minimum cable of 2\/0 AWG (70 mm²) is recommended for these circuits.\u003c\/li\u003e\n    \u003cli\u003eThe ATO®\/ATC® block is used for low-current circuits, accepting fuses from 1A to 20A. Its maximum amperage is 50A per block and 20A per circuit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\n    The SafetyHub 100’s design ensures ignition protection in compliance with ISO 8846 and SAE J1171 standards and features an IP66 ingress protection rating, protecting against powerful water jets. The input and output studs are M8 x 1.25 in size, with a recommended tightening torque of 20.3 N·m (15 ft-lb) for the input and 3.0 N·m (27 in-lb) for the M5 x .8 x 10 screws of the ATO®\/ATC® fuses.\n\u003c\/p\u003e\n\u003ch3\u003eIntegration and Positioning\u003c\/h3\u003e\n\u003cp\u003e\n    Compared to separate modular solutions, the SafetyHub 100 centralizes protection, reducing clutter and simplifying wiring. It serves as a compact and secure alternative to scattered installations of individual fuse holders or circuit breakers for applications requiring both low- and high-consumption circuits. The PN 7725B-BSS reference is supplied without the ATO®\/ATC® circuit connector, which is included with the PN 7725 reference, offering flexibility for customized installations.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":53723780251988,"sku":"7725B-BSS","price":109.46,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Bloc_de_fusibles_SafetyHub_100_7725B-BSS_-_Ref_3e687e2b.jpg?v=1779399915"},{"product_id":"blue-sea-safetyhub-150-bloc-fusibles-marine-ip66","title":"SafetyHub 150 fuse block","description":"\u003cp\u003e\n    Designed for demanding marine environments, the BLUE SEA SafetyHub 150 fuse block provides a centralized solution for protecting 12\/24V electrical circuits. This device combines the functionality of multiple fuses in a single housing, simplifying wiring and maintenance aboard.\n\u003c\/p\u003e\n\n\u003ch3\u003eProtection and Integration\u003c\/h3\u003e\n\u003cp\u003e\n    The SafetyHub 150 features IP66 waterproofing, ensuring complete protection against dust and powerful water jets, making it suitable for installation in exposed or damp areas of the boat. Its ISO 8846 certification ensures protection against ignition of surrounding gases, a critical requirement for installations in engine compartments or high-risk zones. The product manages 12V and 24V electrical systems, offering flexibility for various vessel configurations.\n\u003c\/p\u003e\n\n\u003ch3\u003eMarket Positioning\u003c\/h3\u003e\n\u003cp\u003e\n    Compared to standard fuse blocks, the BLUE SEA SafetyHub 150 stands out for its marine certifications and protection level. It positions itself as a reliable option for owners seeking a durable and secure power distribution solution, beyond generic non-certified products. It ideally complements modern electrical installations requiring robust and compliant fuse management to international maritime standards, similar to other BLUE SEA electrical distribution equipment that prioritize safety and compliance.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":53723780448596,"sku":"7748B-BSS","price":115.29,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Bloc_de_fusibles_SafetyHub_150_7748B-BSS_-_Ref_5c3cfd82.jpg?v=1779400317"},{"product_id":"blue-sea-bloc-fusibles-compacts-lame-st-4-circuits","title":"ST blade compact fuse block - 4 circuits","description":"\u003cp\u003e\n    The Blue Sea 5045B-BSS compact blade fuse block with 4 circuits is designed for protecting marine electrical circuits. This device integrates four circuits for fast-acting ATO® and ATC® fuses, providing a surface-mount solution for systems requiring reliable and secure power distribution.\n\u003c\/p\u003e\n\u003ch3\u003eDesign and Technical Specifications\u003c\/h3\u003e\n\u003cp\u003e\n    With its compact design, this fuse block allows cable entry from one side only, optimizing available space on board. It is \"Ignition Protected\", making it safe for use in gasoline engine compartments, and complies with ABYC\/USCG insulation requirements. The bus bars and fuse clips are made of tinned copper for improved conductivity and corrosion resistance. The block accepts ring or spade terminals and is equipped with #8-32 terminal screws with captive lock washers, as well as a #10-32 threaded stud for the main power feed. Its maximum operating voltage is 32V DC, with a maximum amperage of 30A per circuit and 100A per block. Mounting is done using #8 (M4) screws.\n\u003c\/p\u003e\n\u003ch3\u003ePositioning in the Blue Sea Range\u003c\/h3\u003e\n\u003cp\u003e\n    The 5045B-BSS model, with its four circuits, is positioned as an option for smaller installations or for adding dedicated circuits compared to its larger sibling, the Blue Sea 5046, which offers eight circuits. While the 5046 is suited for more extensive distribution needs, the 5045 excels where space is limited and a smaller number of circuits is required. This ST-Blade series is a standard solution for circuit protection, recognized for its reliability in marine environments. Standard and custom labels are available separately for clear circuit identification. ATO or ATC fuses are sold separately.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"4","offer_id":53723780645204,"sku":"5045B-BSS","price":24.87,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Bloc_fusibles_compacts_a_lame_ST_-_4_circuits_5045B-BSS_-_Ref_b6071005.jpg?v=1779375015"},{"product_id":"blue-sea-bloc-fusible-terminal-mrbf-30-a-300-a","title":"MRBF terminal fuse block - 30 to 300 A","description":"\u003cp\u003e\n    Designed for protecting high-current circuits in marine systems, the \u003cstrong\u003eBLUE SEA\u003c\/strong\u003e MRBF terminal fuse block is a compact solution for applications ranging from 30 to 300 amps. This device mounts directly onto the battery terminal, eliminating the need for long fuse cables and reducing connection points for improved reliability. It is rated for 12\/24V systems and uses an M8 stud for the connection.\n\u003c\/p\u003e\n\n\u003ch3\u003eProtection of main circuits\u003c\/h3\u003e\n\u003cp\u003e\n    The MRBF (Mega\/Medium Rated Bolt-down Fuse) concept differs from traditional inline fuse holders by its compact format and ability to handle high currents. Unlike ATO\/ATC fuses or maxi-fuses, the MRBF is specifically designed for starter circuits, windlasses, or inverters, where 30 to 300 amp protection is required. It provides an alternative to thermal circuit breakers for primary battery protection, particularly on sailboats and powerboats with space constraints, while complying with ABYC standards for battery circuit protection.\n\u003c\/p\u003e\n\n\u003ch3\u003eInstallation and compatibility\u003c\/h3\u003e\n\u003cp\u003e\n    Installation of the \u003cstrong\u003eBLUE SEA\u003c\/strong\u003e MRBF terminal fuse block is simplified by its design, which allows direct mounting onto the battery terminal. This approach reduces cable bulk and weight while minimizing potential voltage drops. It is compatible with 12V and 24V electrical systems, covering a wide range of recreational vessels and small workboats. For lower currents or secondary circuits, \u003cstrong\u003eBLUE SEA\u003c\/strong\u003e offers other solutions such as ST Blade fuse blocks or resettable circuit breakers, but the MRBF remains the reference for protecting high-current main circuits.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":53723780874580,"sku":"5191B-BSS","price":28.72,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Bloc-fusible_terminal_MRBF_-_30_a_300_A_5191B-BSS_-_Ref_fea66231.jpg?v=1779314009"},{"product_id":"blue-sea-fusible-ami-midi-30a-ip66","title":"AMI\/MIDI fuse - 30 A (2 pieces)","description":"\u003cp\u003e\n    Designed to protect marine electrical circuits, the BLUE SEA 30 A AMI\/MIDI fuse is a key component for 12\/24 V installations. This two-piece pack effectively secures electronic equipment and charging systems against overcurrent, with a rated capacity of 30 amperes.\n\u003c\/p\u003e\n\u003ch3\u003eReliable Protection in Marine Environments\u003c\/h3\u003e\n\u003cp\u003e\n    With an IP66 rating, this BLUE SEA AMI\/MIDI fuse provides high resistance to water spray and dust, making it suitable for marine conditions. This certification ensures the fuse’s performance and durability in wet or exposed environments, protecting the integrity of your electrical systems.\n\u003c\/p\u003e\n\u003ch3\u003eCompatibility and Standardization\u003c\/h3\u003e\n\u003cp\u003e\n    The AMI\/MIDI format is a standard in marine electrical architectures, facilitating its integration and replacement in most compatible fuse holders. This model is a reference for maintaining and securing vessel electrical infrastructures, offering a reliable alternative to similar fuses on the market due to its compliance and ease of use.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"30 A","offer_id":53723784347988,"sku":"5250B-BSS","price":8.2,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Fusible_AMI_MIDI_-_30_A_2_pieces_5250B-BSS_-_Ref_7abcf1a3.jpg?v=1779376515"},{"product_id":"blue-sea-fusible-ami-midi-50a-marine","title":"AMI\/MIDI fuse - 50 A (2 pieces)","description":"\u003cp\u003e\n    The BLUE SEA AMI\/MIDI 50 A fuse is a protection solution for onboard electrical circuits. Designed for marine systems, this fuse provides rapid disconnection in case of overcurrent, protecting equipment and wiring. Its MIDI format positions it as an intermediate between small blade-type fuses (ATO\/ATC) and higher-power ANL fuses, offering compact and efficient protection for applications such as main distribution panels, battery chargers, or medium-capacity power inverters.\n\u003c\/p\u003e\n\n\u003ch3\u003eProtection and compatibility\u003c\/h3\u003e\n\u003cp\u003e\n    With a 50 A rating, this fuse is specifically sized for corresponding electrical loads, preventing nuisance tripping while ensuring circuit safety. It is compatible with 12 V and 24 V operating voltages, covering most marine electrical installations. The IP66 ingress protection rating confirms its ability to resist dust and powerful water jets, which is essential for use in humid or exposed environments such as engine compartments or a vessel’s exterior spaces. Each pack contains two fuses, providing an immediate spare onboard.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"50 A","offer_id":53723784544596,"sku":"5252B-BSS","price":8.2,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Fusible_AMI_MIDI_-_50_A_2_pieces_5252B-BSS_-_Ref_871758b1.jpg?v=1779377048"},{"product_id":"blue-sea-fusible-mega-300a-protection-electrique-marine","title":"MEGA 300A Fuse","description":"\u003cp\u003e\n    The Blue Sea Systems MEGA 300A fuse is an essential component designed for protecting high-current marine electrical circuits. It is specifically suited for securing power-hungry equipment such as inverters, bow thrusters, windlasses, and high-capacity battery charge\/discharge systems. Its robust design allows it to handle high currents, ensuring rapid and reliable interruption in the event of overload or short circuit, thereby protecting the entire installation and connected equipment.\n\u003c\/p\u003e\n\n\u003ch3\u003eTechnical specifications and applications\u003c\/h3\u003e\n\u003cp\u003e\n    With a rating of 300 amperes, this fuse is intended for applications requiring substantial protection. MEGA fuses are characterized by their ability to protect circuits from 50A to 300A, bridging the gap between low-to-medium intensity MIDI or ANL fuses and more complex circuit breakers. They are particularly valued for their compact size and ease of integration into onboard electrical systems, including recreational boats and professional vessels. Each fuse weighs approximately 0.03 kg, reflecting its optimized design for the marine environment.\n\u003c\/p\u003e\n\n\u003ch3\u003ePositioning within the Blue Sea Systems range\u003c\/h3\u003e\n\u003cp\u003e\n    In Blue Sea Systems' circuit protection range, the MEGA 300A fuse is positioned as an intermediate solution between smaller blade-type fuses (ATC\/ATO for auxiliary circuits) and ANL fuses or circuit breakers for very high currents. Compared to other types of fuses such as ANL, MEGA fuses offer a more compact format for similar current ratings, which is advantageous in the confined spaces of marine installations. They also differ from ATC\/ATO or MIDI fuses by their ability to handle significantly higher currents, positioning them as the preferred solution for main power lines and critical equipment requiring individual high-current protection.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"300 A","offer_id":53723784806740,"sku":"5108B-BSS","price":11.85,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Fusible_MEGA_300A_5108B-BSS_-_Ref_583d3f01.jpg?v=1779375929"},{"product_id":"blue-sea-fusible-terminal-mrbf-100a-protection-marine","title":"MRBF 100 A terminal fuse","description":"\u003cp\u003e\n    The Blue Sea MRBF 100A terminal fuse is designed for protecting marine electrical circuits. With a 100A rating, it provides overcurrent protection for systems operating on 12V or 24V. This type of fuse installs directly on battery terminals, offering a compact and secure solution for high-current applications.\n\u003c\/p\u003e\n\u003ch3\u003eProtection and integration\u003c\/h3\u003e\n\u003cp\u003e\n    The MRBF format (Marine Rated Battery Fuse) is specifically developed for applications requiring close protection of the power source, such as the battery. It allows direct installation on battery terminals, minimizing the length of unprotected cables. This approach reduces fire risks related to short circuits or overloads, protecting the entire boat’s electrical system.\n\u003c\/p\u003e\n\u003ch3\u003eTechnical specifications of the Blue Sea MRBF 100A fuse\u003c\/h3\u003e\n\u003cp\u003e\n    This terminal fuse from Blue Sea is suitable for 12\/24V systems and supports a 100A current. It is manufactured in Taiwan and features a compact design. Compared to bulkier inline fuse solutions, the MRBF offers significant space savings and simplified installation, directly on the battery terminal or on an appropriate distribution block. The Blue Sea range includes MRBF fuses in various ratings to cover a wide range of marine circuit protection needs.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"100 A","offer_id":53723784970580,"sku":"5183B-BSS","price":19.1,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Fusible_terminal_MRBF_100A_5183B-BSS_-_Ref_1f65b13e.jpg?v=1779313996"},{"product_id":"blue-sea-porte-fusible-anl-35-300a-couvercle","title":"ANL fuse holder 35-300 A with cover","description":"\u003cp\u003e\n    Designed for high-current circuit protection, the BLUE SEA ANL fuse holder 35-300 A (ref. 5005B-BSS) provides essential safety for marine electrical systems. This model is specifically designed for ANL-type fuses, known for their ability to handle high currents from 35 to 300 amperes and their high breaking capacity in the event of a short circuit.\n\u003c\/p\u003e\n\n\u003ch3\u003eReliable circuit protection\u003c\/h3\u003e\n\u003cp\u003e\n    The BLUE SEA 5005B-BSS fuse holder offers a protection solution for applications requiring rapid and safe interruption of high currents. Unlike ATO\/ATC fuse holders, which are intended for low- and medium-current circuits (typically up to 30-40 A), or MIDI\/MAXI fuses that cover an intermediate range, the ANL format is preferred for protecting main battery lines, inverters, or bow thrusters, where starting or operating currents can reach several hundred amperes. Its integrated insulating cover protects connections from splashes and accidental contact, increasing safety on board.\n\u003c\/p\u003e\n\n\u003ch3\u003eIntegration and compatibility\u003c\/h3\u003e\n\u003cp\u003e\n    This BLUE SEA fuse holder is a standard component for 12V, 24V or 48V DC electrical installations. It integrates into systems where robust protection is required. Its design allows for easy installation on a panel or bulkhead, providing a reliable connection for heavy-gauge cables. It is compatible with all ANL fuses from 35 to 300 A (sold separately), allowing flexibility according to the specific needs of the circuit to be protected.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"35-300 A","offer_id":53723787460948,"sku":"5005B-BSS","price":20.45,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Porte_fusible_ANL_35-300A_avec_couvercle_5005B-BSS_-_Ref_46fbacb8.jpg?v=1779328793"},{"product_id":"blue-sea-porte-fusible-mega-amg-100-300a-avec-couvercle","title":"MEGA AMG 100-300A fuse holder with cover","description":"\u003cp\u003e\n    The BLUE SEA MEGA AMG 100-300A fuse holder with cover (reference 5001-BSS) is an electrical protection solution designed for high-current marine circuits. Engineered to accommodate MEGA or AMG fuses, this device is suitable for applications requiring rapid and reliable current interruption for high loads, such as windlasses, bow thrusters, inverters, or main battery circuits. Its robust design and included cover make it appropriate for demanding marine environments.\n\u003c\/p\u003e\n\n\u003ch3\u003eHigh-current circuit protection\u003c\/h3\u003e\n\u003cp\u003e\n    This fuse holder is optimized for embedded electrical systems where high currents (100 to 300 amperes) are present. Unlike ATO\/ATC or MIDI fuse holders, the BLUE SEA MEGA AMG 5001-BSS model is specifically sized to support and protect major power circuits, offering a compact and efficient alternative to large circuit breakers in certain configurations. It helps prevent equipment damage and fire hazards associated with overloads or short circuits.\n\u003c\/p\u003e\n\n\u003ch3\u003eIntegration and durability\u003c\/h3\u003e\n\u003cp\u003e\n    BLUE SEA is a brand recognized for reliable marine electrical components. The MEGA AMG 100-300A fuse holder is manufactured in Mexico, ensuring production standards suited to nautical requirements. The inclusion of a cover provides additional protection against water spray and accidental contact, enhancing safety and system longevity. This product integrates into a well-designed electrical architecture, complementing other distribution and protection elements from the BLUE SEA range or other manufacturers like Garmin or Raymarine, for comprehensive onboard energy management.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":53723787657556,"sku":"5001-BSS","price":18.66,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Porte_fusible_MEGA_AMG_100-300A_avec_couvercle_5001-BSS_-_Ref_acfbe7af.jpg?v=1779328428"},{"product_id":"blue-sea-porte-fusible-mega-amg-max-300a-avec-couvercle","title":"MEGA AMG Max 300 A fuse holder with cover","description":"\u003cp\u003e\n    Designed for high-current circuit protection in marine environments, the BLUE SEA SYSTEMS MEGA AMG Max 300 A fuse holder, part number 7721B-BSS, provides a solution for managing high currents. This model is intended for applications requiring protection up to 300 amperes, making it suitable for equipment such as windlasses, bow thrusters, or high-output alternators.\n\u003c\/p\u003e\n\u003ch3\u003eProtection and compliance\u003c\/h3\u003e\n\u003cp\u003e\n    The 7721B-BSS fuse holder is certified under the Recreational Craft Directive 94\/25\/EC as amended by 2003\/44\/EC, in compliance with ISO 8846. This certification ensures protection against ignition of surrounding flammable gases, a critical safety criterion for onboard vessel systems. This level of protection is comparable to that of the same brand’s 7720 model, which is designed for 200-ampere currents, but the 7721B-BSS extends this capacity to 300 amperes for more demanding electrical systems.\n\u003c\/p\u003e\n\u003ch3\u003eDesign and integration\u003c\/h3\u003e\n\u003cp\u003e\n    The fuse holder is supplied with a cover, providing additional protection for connections and the fuse against spray and the marine environment. Its design allows for direct integration into electrical distribution systems, offering rapid circuit interruption in case of overload. Compared to less specialized solutions, this BLUE SEA SYSTEMS fuse holder is specifically tailored to the constraints of marine installations, where electrical reliability and safety are paramount.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":53723787821396,"sku":"7721B-BSS","price":27.69,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Porte_fusible_MEGA_AMG_Max_300A_avec_couvercle_7721B-BSS_-_Ref_55299d85.jpg?v=1779399605"},{"product_id":"victron-energy-barre-6-portes-fusibles-mega-1500a","title":"MEGA modular 1500A 6-door fuse bar","description":"\u003cp\u003e\n    La \u003cstrong\u003ebarre 6 portes fusibles MEGA modulaire 1500A\u003c\/strong\u003e de \u003cstrong\u003eVictron Energy\u003c\/strong\u003e est une solution de distribution de puissance haute intensité conçue pour centraliser la protection de vos circuits DC. Avec une capacité de courant admissible de 1500A, elle permet de regrouper jusqu'à six fusibles MEGA sur un seul jeu de barres robuste, simplifiant ainsi le câblage des parcs de batteries complexes intégrant plusieurs onduleurs, chargeurs ou convertisseurs.\n\u003c\/p\u003e\n\n\u003ch3\u003ePerformance technique et modularité\u003c\/h3\u003e\n\u003cp\u003e\n    Contrairement aux porte-fusibles individuels qui multiplient les points de connexion et les pertes de tension potentielles, cette barre modulaire utilise un busbar interne de forte section pour assurer une conductivité maximale. Sa conception modulaire permet de l'assembler avec d'autres blocs de la gamme \u003cstrong\u003eVictron Energy\u003c\/strong\u003e pour étendre les capacités de distribution selon les besoins spécifiques de l'installation. Elle se positionne comme une alternative plus compacte et économique au système Lynx Distributor, offrant une capacité de courant brute supérieure pour les configurations n'exigeant pas de surveillance électronique par fusible.\n\u003c\/p\u003e\n\n\u003ch3\u003eFiabilité en environnement marin : barre 6 portes fusibles MEGA modulaire 1500A\u003c\/h3\u003e\n\u003cp\u003e\n    Conçue pour résister aux environnements exigeants, la \u003cstrong\u003ebarre 6 portes fusibles MEGA modulaire 1500A\u003c\/strong\u003e est dotée d'un boîtier robuste et d'un couvercle de protection clipsable. Cette protection limite les risques de courts-circuits accidentels tout en facilitant l'organisation des câbles de forte section. La fixation des fusibles par boulons garantit un contact mécanique stable et durable, indispensable pour supporter les vibrations constantes à bord d'un navire ou d'un véhicule de service.\n\u003c\/p\u003e","brand":"Victron Energy","offers":[{"title":"Default Title","offer_id":53723836612948,"sku":"CIP100400070","price":36.48,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/main_948d9060-7481-46fc-a17d-404925c12c6f.jpg?v=1772644339"},{"product_id":"victron-energy-fusible-mega-60a-80v-dc","title":"Mega 60A fuse","description":"\u003cp\u003e\n    The Victron Energy MEGA 60A fuse is an overcurrent protection device designed for high-ampere DC applications. With a rated current of 60 amperes and a maximum voltage of 80V DC, it ensures the safety of marine, automotive, and industrial electrical systems. Its robust construction, often ceramic, provides increased durability in demanding environments and frequent use.\n\u003c\/p\u003e\n\u003ch3\u003eOptimal protection for high-power systems\u003c\/h3\u003e\n\u003cp\u003e\n    This MEGA fuse is specifically designed to fit standard MEGA fuse holders, including Victron Lynx DC distribution systems (M8 and M10 compatible) and the Victron Lynx 1000 Amp distribution system. Its low resistance minimizes impact on circuit performance, while its ability to handle substantial current loads makes it essential for protecting high-value equipment against short circuits and overloads.\n\u003c\/p\u003e\n\u003ch3\u003eReliability and simplified identification\u003c\/h3\u003e\n\u003cp\u003e\n    Compared to lower-ampere fuses, the MEGA 60A fuse is suited for circuits requiring robust protection for equipment such as inverters, battery chargers, or bow thrusters. Its design allows for quick visual identification in case of failure. While other brands offer MEGA fuses, the Victron Energy version is optimized for seamless integration into the brand’s power architectures, ensuring system consistency and reliability.\n\u003c\/p\u003e","brand":"Victron Energy","offers":[{"title":"Default Title","offer_id":53723851784532,"sku":"CIP136060010","price":3.57,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/main_23bdc3e7-0db5-4506-9aaa-05b2fdf98654.jpg?v=1772644791"},{"product_id":"victron-energy-porte-fusible-modulaire-mega","title":"MEGA modular fuse holder","description":"\u003cp\u003e\n    The \u003cstrong\u003eMEGA modular fuse holder\u003c\/strong\u003e from \u003cstrong\u003eVictron Energy\u003c\/strong\u003e is a high-current electrical protection solution designed for demanding marine environments. This robust mount is specifically sized to accommodate MEGA-type fuses, capable of handling currents up to 500A, making it ideal for protecting battery banks, inverters, and high-power chargers.\n\u003c\/p\u003e\n\n\u003ch3\u003eModularity and installation flexibility\u003c\/h3\u003e\n\u003cp\u003e\n    The main feature of this product lies in its modular design. Unlike conventional isolated fuse holders, the \u003cstrong\u003eMEGA modular fuse holder\u003c\/strong\u003e from \u003cstrong\u003eVictron Energy\u003c\/strong\u003e can be clipped together with other units in the same range. This functionality allows installers to create custom distribution blocks, reducing clutter and simplifying overall DC system wiring. Compared to fixed solutions like multi-fuse boxes from competitors, this system offers precise scalability based on actual onboard requirements.\n\u003c\/p\u003e\n\n\u003ch3\u003eTechnical performance and Victron Energy reliability\u003c\/h3\u003e\n\u003cp\u003e\n    Constructed with heat- and corrosion-resistant materials, this fuse holder ensures stable and secure electrical connections. The mounting studs guarantee optimal clamping of terminals, minimizing voltage drops and overheating risks. While positioned in a higher range than generic fuse holders, Victron Energy’s manufacturing quality ensures the longevity essential for power circuit safety at sea.\n\u003c\/p\u003e","brand":"Victron Energy","offers":[{"title":"Default Title","offer_id":53723862499668,"sku":"CIP100200100","price":29.31,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/main_e974cafb-9792-484a-a56a-e85a10eb5889.jpg?v=1778607038"},{"product_id":"bep-fh-anl-through-panel-500a-porte-fusible","title":"ANL through-panel fuse holder 500 A","description":"\u003cp\u003e\n    The BEP FH ANL THROUGH PANEL 500A fuse holder (reference 778-ANLTP) is an electrical protection solution designed for marine installations requiring careful and compact integration. Suitable for voltages up to 50 VDC, this fuse holder supports an amperage range of 35 to 500 A, making it an essential component for protecting high-consumption circuits such as inverters, bow thrusters, or main battery banks. Its compact dimensions of 98 x 49 x 36 mm and weight of 298 g facilitate installation in confined spaces.\n\u003c\/p\u003e\n\n\u003ch3\u003eThrough-panel design and optimized connectivity\u003c\/h3\u003e\n\u003cp\u003e\n    The distinctive feature of the \u003cstrong\u003eFH ANL THROUGH PANEL 500A\u003c\/strong\u003e is its through-panel design, allowing a maximum panel penetration of 19 mm (3\/4 inch). This design ensures clean and secure mounting through a bulkhead or panel, minimizing cable clutter and providing an aesthetic finish. The connection studs for 10 mm (3\/8 inch) cables guarantee optimal conductivity and compatibility with high-cross-section cables, while the fuse mounting studs of 8 mm (5\/16 inch) are also compatible with 10 mm (3\/8 inch) fuses, offering flexibility in use with ANL or ANN (very fast) fuses.\n\u003c\/p\u003e\n\n\u003ch3\u003ePositioning in the BEP range and technical comparison\u003c\/h3\u003e\n\u003cp\u003e\n    Unlike standard BEP ANL fuse holders, such as the 35-300A model (778-ANL), which is a surface-mount unit with 8 mm studs and a total depth of 54 mm, the \u003cstrong\u003eFH ANL THROUGH PANEL 500A\u003c\/strong\u003e offers a higher amperage capacity and more discreet integration thanks to its through-panel mounting. Compared to the 35-750A two-stud ANL fuse holder (778-ANL2S), which handles higher currents but has larger dimensions (147 x 49 x 61 mm) and is not designed for through-panel mounting, the 778-ANLTP is the ideal solution for applications requiring both high protection and wall integration. It also differs from class T fuse holders (such as the 225-400A or 450-600A models), which are designed for much higher current interruption capacities (20,000 to 50,000 A) and different applications, highlighting the specific positioning of the 778-ANLTP for medium to high-power DC systems in marine environments.\n\u003c\/p\u003e","brand":"BEP Marine","offers":[{"title":"Default Title","offer_id":55721094807892,"sku":"778-ANLTP","price":46.4,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/b305tc40_img-01.jpg?v=1778055963"},{"product_id":"blue-sea-fusible-ami-midi-40-amp","title":"AMI \/ MIDI Fuse - 40 A","description":"\u003cp\u003e\n    The Blue Sea Systems 40-amp AMI \/ MIDI fuse is an essential protection component for marine electrical installations. Designed to interrupt a circuit quickly in case of overload or short circuit, it prevents damage to onboard equipment and cables. This type of fuse, known as AMI or MIDI, is commonly used to protect main circuits or high-current equipment such as small inverters, windlasses, or certain pumps.\n\u003c\/p\u003e\n\u003ch3\u003eProtection and Compatibility\u003c\/h3\u003e\n\u003cp\u003e\n    The 40-amp AMI \/ MIDI fuse fits into specific fuse holders for this standard, ensuring a secure connection and installation compliant with marine standards. Its design allows direct comparison with other fuses of the same type, as shown in Blue Sea Systems technical documents. It is a protection solution for circuits requiring moderate amperage, complementing broader protection systems that include circuit breakers or ANL fuses for higher currents, or ATO\/ATC fuses for low-intensity circuits.\n\u003c\/p\u003e\n\u003ch3\u003eRole in Marine Electrical Installation\u003c\/h3\u003e\n\u003cp\u003e\n    Selecting a 40-amp fuse is determined by the maximum consumption of the devices it protects and the cable cross-section used, in accordance with electrical safety standards. This Blue Sea Systems fuse guarantees reliable current interruption in case of failure, minimizing fire risks or system damage. It is a critical element in a vessel’s electrical protection strategy, ensuring equipment longevity and occupant safety.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"40 A","offer_id":55879963640148,"sku":"5251-BSS","price":6.71,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_AMI_MIDI_Fuse_-_40_Amp_5251-BSS_-_Ref_0d7f3500.jpg?v=1779314016"},{"product_id":"blue-sea-ami-midi-fuse-60-amp-marin","title":"AMI \/ MIDI Fuse - 60 A","description":"\u003cp\u003e\n    Designed for essential protection of marine electrical circuits, the Blue Sea Systems AMI \/ MIDI 60-amp fuse (part number 5253-BSS) provides a reliable solution against overcurrent. This component is essential for safeguarding high-power equipment such as inverters, battery chargers, or winch systems, preventing costly damage and fire risks on board.\n\u003c\/p\u003e\n\n\u003ch3\u003eIntegration and Functionality\u003c\/h3\u003e\n\u003cp\u003e\n    The AMI \/ MIDI format is a standard in marine installations for applications requiring high current interruption capacity. Unlike lower-rated ATO\/ATC fuses or resettable circuit breakers, the Blue Sea AMI \/ MIDI fuse is specifically sized to handle high nominal currents and ensure rapid, definitive interruption in critical overload conditions. Its design ensures easy integration into compatible fuse holders, commonly used for protecting main power lines or high-power equipment.\n\u003c\/p\u003e\n\n\u003ch3\u003eComparison and Positioning\u003c\/h3\u003e\n\u003cp\u003e\n    Blue Sea Systems is recognized for the quality of its marine electrical components. This 60-amp AMI \/ MIDI fuse serves as a standard replacement or installation component for systems requiring reliable protection compliant with marine standards. It fits within Blue Sea’s protection solutions range, complementing products like circuit breakers or bus bars by providing targeted, effective protection for specific loads. For applications requiring different ratings, Blue Sea’s AMI \/ MIDI range also includes variants from 30 A to 500 A, allowing precise adaptation to each circuit’s needs.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"60 A","offer_id":55880051851604,"sku":"5253-BSS","price":6.89,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_AMI_MIDI_Fuse_-_60_Amp_5253-BSS_-_Ref_809f8360.jpg?v=1779314017"},{"product_id":"blue-sea-ami-midi-fuse-70-amp-fusible-marin","title":"AMI \/ MIDI Fuse - 70 A","description":"\u003cp\u003e\n    The BLUE SEA 5254-BSS 70-amp AMI\/MIDI fuse is designed for protecting marine electrical circuits. It fits into AMI or MIDI fuse holders, providing rapid circuit interruption in case of overload or short circuit. This type of fuse is commonly used to protect high-current equipment such as inverters, bow thrusters, or battery charging circuits.\n\u003c\/p\u003e\n\n\u003ch3\u003eProtection of Marine Circuits\u003c\/h3\u003e\n\u003cp\u003e\n    AMI\/MIDI fuses, like this 70-amp model, provide essential protection against electrical damage. Unlike smaller ATO\/ATC fuses, which are suited for low-power circuits, AMI\/MIDI fuses are rated for higher currents typical of modern marine installations. BLUE SEA offers a full range of these fuses, allowing selection of the precise amperage for each application, ensuring tailored protection for the specific power draw of each piece of equipment.\n\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility and Installation\u003c\/h3\u003e\n\u003cp\u003e\n    This 70-amp AMI\/MIDI fuse is compatible with fuse holders designed for this format. It is critical to ensure the fuse holder matches the AMI or MIDI type for secure installation and optimal performance. Its role is to protect devices and wiring from overcurrent, preventing risks of fire or damage to onboard electrical systems.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"70 A","offer_id":55880138326356,"sku":"5254-BSS","price":6.82,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_AMI_MIDI_Fuse_-_70_Amp_5254-BSS_-_Ref_9ce79eeb.jpg?v=1779314020"},{"product_id":"blue-sea-ami-midi-fusible-80-amp","title":"AMI \/ MIDI Fuse - 80 A","description":"\u003cp\u003e\n    The Blue Sea 80-amp AMI \/ MIDI fuse (part number 5255-BSS) is designed for protecting marine DC electrical circuits. It provides rapid current interruption in the event of overload or short circuit, safeguarding sensitive equipment and wiring from damage. This type of fuse is commonly used in applications requiring high protection in compact spaces.\n\u003c\/p\u003e\n\n\u003ch3\u003eIntegration and role in electrical systems\u003c\/h3\u003e\n\u003cp\u003e\n    Blue Sea Systems’ AMI (Ampere Interrupting) and MIDI (Medium Interrupting) fuses are specifically suited for high-power installations, such as main power lines, inverter circuits, or charging systems. Compared to ATO\/ATC fuses, they are rated for higher currents and offer superior interrupting capacity, critical for marine equipment safety. This 80-amp model fits into compatible AMI\/MIDI fuse holders, ensuring secure connections and simplified maintenance.\n\u003c\/p\u003e\n\n\u003ch3\u003eComparison and positioning\u003c\/h3\u003e\n\u003cp\u003e\n    In the Blue Sea Systems range, AMI\/MIDI fuses occupy the space between small fuses (such as ATO\/ATC) and very high-current fuses (like ANL). While ANL fuses are preferred for very high-power applications (several hundred amps), the 80A AMI\/MIDI fuse provides an intermediate solution for circuits requiring robust protection without the bulk of ANL fuses. It is therefore ideal for high-consumption secondary lines or as primary protection for medium-sized installations.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"80 A","offer_id":55880246133076,"sku":"5255-BSS","price":7.38,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Technical_Detail_-_BLUE_SEA_AMI_MIDI_Fuse_-_80_Amp_5255-BSS_-_Ref_694a77ec.jpg?v=1779314021"},{"product_id":"blue-sea-fusible-borne-mrbf-80a-protection-electrique-marine","title":"MRBF 80 A terminal fuse","description":"\u003cp\u003e\n    The Blue Sea Systems MRBF 80A terminal fuse is designed for protecting high-current circuits directly at the battery level. This type of fuse with terminal mounting allows for compact and simplified installation, reducing cable length and the footprint of marine electrical systems.\n\u003c\/p\u003e\n\u003ch3\u003eIntegrated circuit protection\u003c\/h3\u003e\n\u003cp\u003e\n    Unlike traditional inline fuse holders, the MRBF fuse integrates directly onto the battery terminal stud, eliminating the need for additional cables between the battery and the fuse holder. This design minimizes potential connection points, improving system reliability. With an 80-amp rating, it is suitable for securing equipment such as windlasses, bow thrusters, or medium-sized power converters.\n\u003c\/p\u003e\n\u003ch3\u003ePositioning and applications\u003c\/h3\u003e\n\u003cp\u003e\n    The positioning of the Blue Sea Systems MRBF 80A fuse stands out for its ability to provide circuit protection in close proximity to the energy source, a critical feature for safety in marine installations. While other solutions like ANL or MIDI fuses require dedicated fuse holders and more complex wiring, the MRBF simplifies the electrical architecture. It is part of the Blue Sea Systems circuit protection range, known for its marine electrical components. It is typically used as the main protection for a single high-current circuit or as secondary protection for a multi-circuit distributor. This 80A model is a common choice for applications requiring a balance between current capacity and compactness.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"80 A","offer_id":55880538128724,"sku":"5181-BSS","price":17.45,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_MRBF_Terminal_Fuse_-_80A_5181-BSS_-_Ref_b12e5466.jpg?v=1779313994"},{"product_id":"blue-sea-fusible-terminal-mrbf-125a","title":"MRBF terminal fuse - 125 A","description":"\u003cp\u003e\n    The Blue Sea MRBF 125A terminal fuse is a protection solution for high-current marine electrical circuits. Designed for direct installation on the battery terminal, it secures high-power equipment such as inverters, bow thrusters, or windlasses.\n\u003c\/p\u003e\n\u003ch3\u003eProtection and integration\u003c\/h3\u003e\n\u003cp\u003e\n    Unlike classic inline fuses requiring separate fuse holders, the MRBF (Marine Rated Battery Fuse) concept integrates the fuse directly onto the terminal. This design optimizes space, reduces the length of unprotected cables, and simplifies wiring. Its 125-amp capacity makes it suitable for medium to high-power applications, offering a compact alternative to bulkier ANL or blade-type fuses for similar current ratings.\n\u003c\/p\u003e\n\u003ch3\u003eMarine installation safety\u003c\/h3\u003e\n\u003cp\u003e\n    This type of fuse is an essential safety component, preventing overcurrents that could damage equipment or, in the worst case, cause fires. In the event of overload or short circuit, the MRBF 125A fuse interrupts the circuit, protecting the entire electrical system and connected devices. It is easily replaceable, ensuring quick and efficient maintenance at sea.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"125 A","offer_id":55880762753364,"sku":"5184-BSS","price":14.77,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_MRBF_Terminal_Fuse_-_125A_5184-BSS_-_Ref_a87e5975.jpg?v=1779313998"},{"product_id":"blue-sea-mrbf-fusible-terminal-150a-protection-batterie","title":"MRBF terminal fuse - 150 A","description":"\u003cp\u003e\n    Designed for high-current circuit protection, the Blue Sea Systems MRBF 150A terminal fuse is an essential electrical safety solution for marine installations. This MRBF (Marine Rated Battery Fuse) type fuse is specifically designed for direct mounting on the battery’s positive terminal, minimizing unprotected cable length and reducing the risk of electrical fire in the event of a short circuit or major overcurrent.\n\u003c\/p\u003e\n\n\u003ch3\u003eTechnical specifications and positioning\u003c\/h3\u003e\n\u003cp\u003e\n    With a rating of 150 amperes, this fuse is suitable for protecting main circuits or high-consumption equipment such as inverters, bow thrusters, or windlasses. It is designed to operate at a maximum voltage of 58V DC and offers a high interrupting capacity, reaching 10,000A at 14V DC, 5,000A at 32V DC, and 2,000A at 58V DC. This interrupting capacity is a key indicator of its ability to safely interrupt a high fault current. Compared to other fuse types such as ANL or MIDI fuses, the MRBF stands out for its compact design and ease of integration directly on the battery terminal, often via a dedicated terminal block (sold separately). It provides an alternative to bulkier inline fuse holders, enabling clean and optimized electrical distribution installation.\n\u003c\/p\u003e\n\n\u003ch3\u003eApplications and integration\u003c\/h3\u003e\n\u003cp\u003e\n    The Blue Sea Systems MRBF 150A terminal fuse is a fundamental component for compliance with ABYC (American Boat and Yacht Council) electrical safety standards, which require protection within 7 inches (approximately 17.8 cm) of the power source. It integrates seamlessly into the electrical systems of boats, sailboats, and recreational vehicles, where space is often constrained and reliability is paramount. Its insulated design provides additional protection against accidental contact, contributing to the overall safety of the onboard electrical installation.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"150 A","offer_id":55880902115668,"sku":"5185-BSS","price":16.63,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_MRBF_Terminal_Fuse_-_150A_5185-BSS_-_Ref_8169db77.jpg?v=1779314000"},{"product_id":"blue-sea-fusible-terminal-mrbf-200a-protection-electrique","title":"MRBF terminal fuse - 200 A","description":"\u003cp\u003e\n    Designed for protecting high-current DC circuits, the BLUE SEA 200A MRBF terminal fuse (reference 5187-BSS) is an essential component for securing marine electrical installations. This MRBF (Marine Rated Battery Fuse) type fuse is specifically designed to be mounted directly on the battery terminal via a compatible MRBF fuse holder (sold separately), reducing the length of unprotected cables and minimizing fire risks or damage from short circuits. Its compact design sets it apart from bulkier inline fuse systems, offering a streamlined and efficient solution for confined spaces aboard.\n\u003c\/p\u003e\n\n\u003ch3\u003eTargeted protection and system integration\u003c\/h3\u003e\n\u003cp\u003e\n    The BLUE SEA 200A MRBF terminal fuse is ideal for protecting high-consumption equipment such as alternators, starters, bow thrusters, windlasses, or inverters. Its 200-amp capacity provides adequate protection for significant loads, preventing overcurrent from causing costly or dangerous failures. Unlike ANL or MIDI fuses that require a separate enclosure and longer cables between the battery and the fuse, the MRBF format allows installation as close as possible to the power source, in line with ABYC electrical safety recommendations for marine applications.\n\u003c\/p\u003e\n\n\u003ch3\u003ePerformance and reliability for the marine environment\u003c\/h3\u003e\n\u003cp\u003e\n    Manufactured by BLUE SEA, a brand recognized in marine electronics, this fuse is designed to withstand the demanding conditions of the nautical environment. Although it is a consumable component, its manufacturing adheres to quality standards to ensure reliable performance upon activation. Its use is recommended in systems where robust protection and minimal footprint are priorities, integrating seamlessly into complex electrical architectures alongside other BLUE SEA products such as busbars or circuit breakers.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"200 A","offer_id":55881048359252,"sku":"5187-BSS","price":16.93,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_MRBF_Terminal_Fuse_-_200A_5187-BSS_-_Ref_e64e02be.jpg?v=1779314002"},{"product_id":"blue-sea-mrbf-fusible-terminal-250a","title":"MRBF terminal fuse - 250 A","description":"\u003cp\u003e\n    Designed for high-current circuit protection, the BLUE SEA MRBF 250A terminal fuse (5189-BSS) provides a compact and secure solution for marine electrical installations. This fuse mounts directly onto battery terminals or compatible distribution blocks, minimizing cable lengths and connection points, which reduces resistance and failure risk. It is specifically rated for a nominal current of 250 amperes, making it suitable for high-power equipment such as inverters, bow thrusters, or windlasses.\n\u003c\/p\u003e\n\u003ch3\u003eOptimal Protection for Marine Systems\u003c\/h3\u003e\n\u003cp\u003e\n    The MRBF (Marine Rated Battery Fuse) design differs from traditional inline fuses like ANL or Class T by its form factor and mounting method. While ANL and Class T fuses require an external fuse holder and intermediate cables, the BLUE SEA MRBF 250A terminal fuse integrates directly onto the battery’s positive terminal. This design simplifies wiring, reduces space requirements in engine compartments or battery lockers, and minimizes the number of components needed for effective protection. It ensures rapid and reliable interruption in case of overload or short circuit, safeguarding the entire electrical system and preventing fire hazards.\n\u003c\/p\u003e\n\u003ch3\u003eIntegration and Compatibility\u003c\/h3\u003e\n\u003cp\u003e\n    The MRBF 250A terminal fuse is a key component in modern DC electrical protection systems. It belongs to the BLUE SEA product range, known for robust and reliable solutions for the marine environment. It can be used alongside other circuit protections in DC distribution installations, providing primary protection closest to the energy source. Its compact form factor is illustrated by scaled comparison diagrams, enabling precise planning of the space required for installation.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"250 A","offer_id":55881140175188,"sku":"5189-BSS","price":16.56,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_MRBF_Terminal_Fuse_-_250A_5189-BSS_-_Ref_9d51dbda.jpg?v=1779314004"},{"product_id":"blue-sea-fusible-mrbf-terminal-300a","title":"MRBF terminal fuse - 300 A","description":"\u003cp\u003e\n    Designed for high-current circuit protection in marine environments, the \u003cstrong\u003eBlue Sea\u003c\/strong\u003e MRBF 300A terminal fuse (part number 5190-BSS) provides a compact and efficient solution. This MRBF (Marine Rated Battery Fuse) type fuse is specifically sized for direct mounting on battery terminals or MRBF distribution blocks, minimizing unprotected cable length and the risk of electrical fire.\n\u003c\/p\u003e\n\n\u003ch3\u003eOptimized protection and integration\u003c\/h3\u003e\n\u003cp\u003e\n    Compared to ANL or MIDI fuses, the MRBF format allows for installation closer to the power source, reducing clutter and simplifying wiring for applications such as inverters, bow thrusters, or windlasses. The \u003cstrong\u003eBlue Sea MRBF 300A\u003c\/strong\u003e fuse provides rapid interruption in case of overload, protecting the entire vessel’s electrical system from potential damage. It integrates into 12V or 24V boat electrical systems.\n\u003c\/p\u003e\n\n\u003ch3\u003eReliability and marine standards\u003c\/h3\u003e\n\u003cp\u003e\n    The \u003cstrong\u003eBlue Sea MRBF\u003c\/strong\u003e fuse design meets the requirements of marine environments, where resistance to corrosion and vibration is critical. This type of fuse is an essential component for compliance with onboard electrical safety standards, providing reliable protection for main circuits or high-ampacity specific loads. Blue Sea’s MRBF range is recognized for delivering robust protection in a compact format.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"300 A","offer_id":55881362768212,"sku":"5190-BSS","price":16.59,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_MRBF_Terminal_Fuse_-_300A_5190-BSS_-_Ref_3366de49.jpg?v=1779314006"},{"product_id":"blue-sea-mrbf-surface-mount-bloc-fusibles-3-circuits-independants","title":"MRBF surface-mount fuse block - Independent source","description":"\u003cp\u003e\n    The Blue Sea Systems MRBF Surface Mount fuse block, part number 5194-BSS, is designed for high-current circuit protection in marine installations. This device accommodates three MRBF (Marine Rated Battery Fuse) holders for independent power distribution to multiple devices.\n\u003c\/p\u003e\n\u003ch3\u003eDesign and Applications\u003c\/h3\u003e\n\u003cp\u003e\n    The block features three independent circuits, ideal for applications requiring separate protection for high-load devices such as bow thrusters, audio systems, or electrical panel power supplies. Unlike lower-ampere fuse blocks, the MRBF Surface Mount 5194-BSS is specifically engineered for the demanding environments of marine batteries, offering compact protection close to the power source. Its dimensions of 156.6 mm in length and 74.5 mm in width make it a space-efficient solution for direct installation on a battery or bulkhead.\n\u003c\/p\u003e\n\u003ch3\u003eIntegration and Mounting\u003c\/h3\u003e\n\u003cp\u003e\n    Surface mounting is facilitated by four mounting points compatible with #10 or 5 mm screws. Electrical connections are made via six 5\/16\"-18 studs, ensuring secure high-current capacity. The primary wiring diagram illustrates its typical use in protecting a battery charger, bow thruster, and stereo system simultaneously, each on its dedicated circuit. This approach compartmentalizes electrical risks and simplifies fault diagnosis in case of equipment failure.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Independent","offer_id":55881673113940,"sku":"5194-BSS","price":57.87,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_MRBF_Surface_Mount_Fuse_Block_-_Independent_Source_5194-BSS_-_Ref_585403ee.jpg?v=1779314012"},{"product_id":"blue-sea-mrbf-bloc-fusibles-montage-surface-common-source","title":"MRBF surface-mount common-source fuse block","description":"\u003cp\u003e\n    Designed for high-current circuit protection, the BLUE SEA SYSTEMS MRBF Surface Mount Common Source 5196-BSS fuse block provides a compact solution for grouping multiple critical loads. This module centralizes protection for three separate circuits, such as a windlass, bow thruster, or main power feed to a dashboard, from a single power source. Its surface-mount design simplifies integration into confined onboard spaces.\n\u003c\/p\u003e\n\n\u003ch3\u003eIntegration and Technical Specifications\u003c\/h3\u003e\n\u003cp\u003e\n    The MRBF 5196-BSS block is sized to accept MRBF fuses (Mega\/MIDI-style bolt-down fuses), known for handling high currents in a compact format. With dimensions of 189.4 mm in length, 50.8 mm in width, and 61.1 mm in height, it has a controlled footprint. Connections are made via four 5\/16\"-18 studs, and the unit is securely mounted using four #10 or 5 mm mounting screw holes.\n\u003c\/p\u003e\n\n\u003ch3\u003ePositioning and Use Cases\u003c\/h3\u003e\n\u003cp\u003e\n    This fuse block serves as an alternative to individual fuse holders for applications requiring protection of 2 to 3 high-current loads near the battery. Unlike more complex distribution solutions, the 5196-BSS simplifies primary wiring by providing a robust common connection point, reducing the number of direct battery cables. It is particularly suited to installations where space is limited and connection reliability is critical for equipment such as bow thrusters or windlasses.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Common","offer_id":55881832759636,"sku":"5196-BSS","price":56.01,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_MRBF_Surface_Mount_Fuse_Block_-_Common_Source_5196-BSS_-_Ref_9da654a7.jpg?v=1779314015"},{"product_id":"blue-sea-agc-fusible-5-amp","title":"AGC Fuse - 5 A","description":"\u003cp\u003e\n    The Blue Sea Systems 5 amp AGC fuse is designed for protecting marine electrical circuits. This essential component safeguards electronic equipment and wiring from overcurrent conditions by acting as a deliberate weak link that melts and interrupts the circuit when current exceeds its 5 amp rated capacity.\n\u003c\/p\u003e\n\n\u003ch3\u003eTargeted protection for marine applications\u003c\/h3\u003e\n\u003cp\u003e\n    Unlike blade-type fuses such as ATO\/ATC, often preferred for medium-power circuits, the cylindrical AGC format is typically used in low-current applications or for specific equipment requiring this compact form factor. Although less prevalent for main circuits in modern installations, the 5 amp AGC fuse remains a relevant solution for protecting many auxiliary devices, such as small navigation instruments, LED lighting, or audio systems. It is also a standard option for replacement in existing electrical systems using this type of fuse.\n\u003c\/p\u003e\n\n\u003ch3\u003eBlue Sea integration and compliance\u003c\/h3\u003e\n\u003cp\u003e\n    Installing this fuse requires a compatible AGC fuse holder, ensuring a stable electrical connection and facilitating replacement when needed. Blue Sea Systems is recognized for the quality of its marine electrical solutions, offering a comprehensive range of protection products including circuit breakers and other fuse types such as ANL or MIDI, designed for higher-current circuits. Careful selection of the amp rating, here 5 amps, is essential to ensure effective protection tailored to the specifications of each circuit and connected device, thereby avoiding any risk of under-protection or nuisance tripping.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":55881942139220,"sku":"5210-BSS","price":2.36,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_AGC_Fuse_-_5_Amp_5210-BSS_-_Ref_c8270eeb.jpg?v=1779356331"},{"product_id":"blue-sea-dual-mrbf-terminal-fuse-block-30-300a","title":"Dual MRBF terminal fuse block - 30 to 300 A","description":"\u003cp\u003e\n    Designed to protect two high-current circuits, the Blue Sea Systems dual MRBF (Marine Rated Battery Fuse) terminal fuse block offers a compact and secure solution. This device installs directly on the battery’s positive terminal, minimizing the length of unprotected cables and reducing the risk of fire or damage in the event of a short circuit. It is suitable for currents from 30 to 300 amperes per circuit.\n\u003c\/p\u003e\n\n\u003ch3\u003eProtection and Electrical System Integration\u003c\/h3\u003e\n\u003cp\u003e\n    The Blue Sea Systems dual MRBF terminal fuse block stands out for its ability to simultaneously protect two distinct high-current circuits from a single battery connection. Unlike traditional fuse blocks or ANL\/MIDI fuses, direct installation on the battery terminal simplifies wiring and optimizes available space—a significant advantage in marine installations where space is constrained. This design centralizes protection for high-power equipment such as inverters, bow thrusters, windlasses, or alternators.\n\u003c\/p\u003e\n\n\u003ch3\u003ePositioning and Compatibility\u003c\/h3\u003e\n\u003cp\u003e\n    Compared to a single MRBF fuse block, this dual model offers greater flexibility for systems requiring multiple high-current protections. It is often a more compact and easier-to-install alternative than using two separate fuse blocks. Blue Sea Systems’ design ensures compatibility with standard MRBF fuses (sold separately), guaranteeing reliable protection and easy maintenance of marine electrical circuits. Technical images provide mounting diagrams and precise dimensions to facilitate integration. This type of block is an essential component for compliant and high-performance electrical installations, whether for sailboats, powerboats, or other nautical applications.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":55883251614036,"sku":"2151-BSS","price":34.38,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Dual_MRBF_Terminal_Fuse_Block_-_30_to_300A_2151-BSS_-_Ref_e633daf3.jpg?v=1779313988"},{"product_id":"blue-sea-bloc-fusibles-maxi-protection-electrique-marine-80a","title":"MAXI fuse block","description":"\u003cp\u003e\n    Designed for protecting high-current circuits in marine environments, the Blue Sea MAXI fuse block 5006100-BSS is a reliable solution for onboard electrical distribution. It meets ISO 8846 and SAE J1171 standards, making it suitable for ignition-protected areas such as gasoline engine compartments. This block can handle currents up to 80A.\n\u003c\/p\u003e\n\u003ch3\u003eDesign and materials\u003c\/h3\u003e\n\u003cp\u003e\n    The MAXI fuse block from Blue Sea is constructed using molded plastics with a UL 94 V0 flame rating, ensuring enhanced fire resistance. The internal bus is made of tinned brass, providing stable electrical conductivity and corrosion protection. The terminals feature 10-32x1\/2\" stainless steel screws compatible with #10 or M5 lugs, and the block accommodates cables up to 4 AWG. Weighing 114g, it offers a lightweight and compact solution for marine electrical installations.\n\u003c\/p\u003e\n\u003ch3\u003eInstallation and flexibility\u003c\/h3\u003e\n\u003cp\u003e\n    The MAXI fuse block includes features that simplify installation and maintenance. It has standard cutouts for side and bottom wire access, offering flexibility in cable routing. A breakaway line allows removal of an entire section of the insulating cover if larger wires or lugs require increased terminal access. The removable insulating cover, critical for ignition protection performance, is secured by a lever-release clamping system. For mounting, #10 or M5 screws are required, with a 52.4 mm spacing.","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":55887380054356,"sku":"5006100-BSS","price":29.26,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_MAXI_Fuse_Block_5006100-BSS_-_Ref_d0809876.jpg?v=1779329198"},{"product_id":"blue-sea-bloc-fusibles-classe-t-110-200a-protection-marine","title":"Class T fuse block with insulating cover - 110 to 200 A","description":"\u003cp\u003e\n    The Blue Sea 5007100-BSS Class T fuse block is designed for rapid protection of inverters and high-capacity battery banks. This device handles a fuse range of 110 to 200 A and a maximum operating current of 160 A at 160 V DC. It meets the ignition protection requirements of ISO 8846 and SAE J1171, allowing installation in compartments where explosive vapors may be present.\n\u003c\/p\u003e\n\n\u003ch3\u003eDesign and Technical Specifications\u003c\/h3\u003e\n\u003cp\u003e\n    This fuse block features a four-terminal design, facilitating access for installing large cable lugs without obstruction. The supplied insulating cover meets ABYC\/USCG insulation requirements, with cutouts allowing cable access from all directions. The 1\/4\"-20 stainless steel studs accept M6 ring terminals, providing corrosion resistance and high torque capacity. The one-piece stainless steel serrated flange nuts ensure secure connections with a maximum torque of 8.13 N·m (72 in-lb). The UL 94-V0 base resists high temperatures, ensuring long-term reliability. The fuse mounting bus is tin-plated copper for optimal conductivity.\n\u003c\/p\u003e\n\n\u003ch3\u003ePositioning and Compatibility\u003c\/h3\u003e\n\u003cp\u003e\n    With dimensions of 177.8 mm (7.00 in) in length and 58.4 mm (2.3 in) in height, the 5007100-BSS is a compact solution for marine electrical systems. Within the Blue Sea range, this model targets intermediate current requirements, compared to the 5502100 Class T fuse block which handles 225 to 400 A fuses and a maximum current of 320 A. The 5007100-BSS is specifically suited for applications requiring rapid and reliable protection in the 110 to 200 A range. Class T fuses are sold separately.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":55887456174420,"sku":"5007100-BSS","price":43.88,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Class_T_Fuse_Block_with_Insulating_Cover_-_110_to_200A_5007100-BSS_-_Ref_8e899ed3.jpg?v=1779329570"},{"product_id":"blue-sea-bloc-fusibles-st-glass-6-circuits-bus-negatif-couvercle","title":"ST Glass 6-circuit fuse block with negative bus and cover","description":"\u003cp\u003e\n    The \u003cb\u003eBLUE SEA ST Glass 6-circuit fuse block with negative bus and cover (5015-BSS)\u003c\/b\u003e is a power distribution solution for marine applications. Designed to hold six glass-type ST fuses, it includes a negative bus that simplifies wiring and current return management. This block enables centralized organization of protections for various equipment. Compared to Blue Sea Systems' ST Blade series ATO\/ATC fuse blocks, the 5015-BSS model is specifically intended for glass fuses. While ATO\/ATC fuses are more common in modern installations due to their ease of replacement and visual status indication, glass fuses remain relevant for maintaining existing equipment or specific applications where this format is required.\n\u003c\/p\u003e\n\n\u003ch3\u003eDesign and Technical Specifications\u003c\/h3\u003e\n\u003cp\u003e\n    The 5015-BSS fuse block provides six independent circuits for glass fuses. Load connections are made via #8 screws, while source wiring is secured with #10 studs, ensuring reliable connectivity. Its compact dimensions of 88.9mm (3.50in) in width, 126.0mm (4.96in) in length, and 31.8mm (1.25in) in height facilitate integration in confined spaces aboard.\n\u003c\/p\u003e\n\n\u003ch3\u003eIntegration and Functionality\u003c\/h3\u003e\n\u003cp\u003e\n    The inclusion of a negative bus on this Blue Sea Systems model reduces the number of required cables, enabling cleaner installation and better ground management. Mounting holes accommodate #10 screws for secure fastening. The included cover protects fuses and connections from splashes and accidental contact, a valuable safety feature in marine environments. This block is an essential component for protecting low- to medium-power electrical circuits.","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":55887609397588,"sku":"5015-BSS","price":53.03,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_ST_Glass_6_Circuit_Fuse_Block_with_Negative_Bus_and_Cover_5015-BSS_-_Ref_29f03de0.jpg?v=1779329996"},{"product_id":"blue-sea-porte-fusible-agc-mdl-montage-panneau","title":"AGC\/MDL fuse holder for panel mounting","description":"\u003cp\u003e\n    Designed for protecting marine electrical circuits, the Blue Sea Systems AGC\/MDL fuse holder for panel mounting is a standard solution for integrating fuses into dashboards or control panels. This component is compatible with AGC and MDL fuse types, commonly used in marine applications for their availability and reliability. It provides rapid circuit interruption in case of overload or short circuit, protecting connected equipment.\n\u003c\/p\u003e\n\u003ch3\u003eIntegration and Functionality\u003c\/h3\u003e\n\u003cp\u003e\n    The Blue Sea Systems 5021-BSS fuse holder is specifically designed for flush mounting, enabling clean and secure installation on a panel. This feature distinguishes it from inline fuse holders, which are often used in less accessible environments. Its design allows easy access for inspection or fuse replacement, a critical requirement for the maintenance of embedded electrical systems.\n\u003c\/p\u003e\n\u003ch3\u003eMarket Positioning\u003c\/h3\u003e\n\u003cp\u003e\n    Compared to other electrical protection solutions, such as thermal or magnetic-thermal circuit breakers, the AGC\/MDL fuse holder provides simple and economical protection for individual circuits. While circuit breakers (such as those in the Blue Sea Systems 185 series or advanced models from manufacturers like Carling Technologies) may offer reset functions and higher breaking capacities, the 5021-BSS remains relevant for circuits requiring fuse protection, particularly for auxiliary equipment or low-power systems where simplicity is preferred. It fits into an electrical architecture where point protection is required without the complexity of a resettable circuit breaker.\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":55887753445716,"sku":"5021-BSS","price":5.68,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Panel_Mount_AGC_MDL_Fuse_Holder_5021-BSS_-_Ref_55c7372e.jpg?v=1779330355"},{"product_id":"blue-sea-bloc-fusibles-st-blade-montage-borne-batterie-5023-bss","title":"ST Blade fuse block for battery terminal mounting","description":"\u003cp\u003e\n    Designed for simplified and secure integration, the Blue Sea ST Blade 5023-BSS fuse block allows adding up to four fuse circuits directly to a battery terminal. This compact and optimized solution is ideal for powering new accessories on your boat or vehicle, reducing wiring complexity and bulk compared to larger distribution panels such as the Blue Sea ST Blade range for panel mounting. The 5023-BSS model stands out for its ability to provide localized and protected power distribution. The same type of block is also available as a kit under reference 5024, including pre-assembled fuses and cables for even faster installation.\n\u003c\/p\u003e\n\u003ch3\u003eDesign and Technical Specifications\u003c\/h3\u003e\n\u003cp\u003e\n    The 5023-BSS block is designed for direct mounting on a 3\/8\" (M10) battery terminal stud. It features #8-32 screw terminals with captive washers for secure wire connections. The internal bus is made of tinned copper C11000, ensuring conductivity and corrosion resistance suitable for marine environments. This fuse block accepts ATO or ATC type fuses (sold separately) and offers a maximum capacity of 100A per block and 30A per circuit, with a maximum operating voltage of 32V DC. It is supplied with insulated nylon ring terminals in 16-14 AWG (four) and 12-10 AWG (four) sizes, as well as four inscriptible circuit labels for clear identification.\n\u003c\/p\u003e\n\u003ch3\u003eProtection and Compliance\u003c\/h3\u003e\n\u003cp\u003e\n    Safety is a central aspect of the Blue Sea ST Blade 5023-BSS fuse block design. Its insulating cover meets ABYC\/USCG isolation requirements, minimizing the risk of accidental short circuits. Additionally, this device is ignition protected, making it suitable for use in gasoline engine compartments. It complies with external ignition protection requirements per ISO 8846 and SAE J1171, as evidenced by its CE certification and HPiVS\/R1168-003-I-01 number. This compliance is essential for installations requiring enhanced protection against flammable gases, offering a safer alternative to unprotected blocks or simple inline fuse holders.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Standalone unit","offer_id":55887821832532,"sku":"5023-BSS","price":25.94,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_ST_Blade_Battery_Terminal_Mount_Fuse_Block_5023-BSS_-_Ref_5825dfec.jpg?v=1779330705"},{"product_id":"blue-sea-kit-bloc-fusibles-st-blade-batterie-marine","title":"ST Blade fuse block kit for battery terminal mounting","description":"\u003cp\u003e\n    Designed to simplify the addition of electrical circuits, the \u003cstrong\u003eBLUE SEA 5024-BSS ST Blade fuse block kit for battery terminal mounting\u003c\/strong\u003e allows you to easily integrate up to four protected circuits directly on a battery terminal. This compact and efficient solution is intended to power new accessories on your boat or vehicle without requiring complex modifications to existing wiring.\n\u003c\/p\u003e\n\u003ch3\u003eIntegration and Protection\u003c\/h3\u003e\n\u003cp\u003e\n    The fuse block mounts directly onto the battery terminal stud, with compatibility for 3\/8\" (M10) studs. It features #8-32 screw terminals with captive washers for secure wire connections. The 5024-BSS kit differs from the 5023 model (block only) by including four insulated nylon ring terminals for 16-14 AWG wires and four for 12-10 AWG wires, as well as four writable labels to identify the circuits. Protection is provided by an insulating cover compliant with ABYC\/USCG requirements, and the system is ignition protected per ISO 8846 and SAE J1171 standards, making it suitable for gasoline engine compartments.\n\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications and Compatibility\u003c\/h3\u003e\n\u003cp\u003e\n    This block supports a maximum voltage of 32V DC and a maximum current of 100A for the entire block, with a maximum of 30A per circuit. It is compatible with ATO or ATC type fuses (sold separately). The internal bus is made of tinned copper C11000, ensuring optimal conductivity and corrosion resistance. For larger or more complex electrical distribution needs, BLUE SEA offers alternative solutions such as the 2340 busbar range, while the 5024-BSS remains a dedicated option for simple and secure extension of auxiliary circuits from the main battery.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Complete kit","offer_id":55887885566292,"sku":"5024-BSS","price":36.86,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_ST_Blade_Battery_Terminal_Mount_Fuse_Block_Kit_5024-BSS_-_Ref_c7cff728.jpg?v=1779331075"},{"product_id":"blue-sea-bloc-fusibles-st-blade-6-circuits-avec-couvercle","title":"ST Blade 6-circuit fuse block with cover","description":"\u003cp\u003e\n    Designed to centralize and protect electrical equipment on board, the BLUE SEA ST Blade 6-circuit fuse block with cover (PN 5028) is an essential distribution solution for marine installations. This device enables structured management of circuits, ensuring the safety and reliability of your electrical system.\n\u003c\/p\u003e\n\n\u003ch3\u003eCircuit protection and compliance\u003c\/h3\u003e\n\u003cp\u003e\n    The BLUE SEA ST Blade fuse block features six independent circuits, each protected by a blade-type fuse (ATC\/ATO). This design facilitates quick identification and replacement of fuses in case of overload. The included cover provides protection against water spray and accidental contact, contributing to the system's durability in a marine environment. Additionally, this model is certified compliant with European Directive 2002\/95\/EC (RoHS), attesting to the absence of hazardous substances such as lead, mercury, or cadmium, with concentrations below the maximum authorized thresholds.\n\u003c\/p\u003e\n\n\u003ch3\u003ePositioning and applications\u003c\/h3\u003e\n\u003cp\u003e\n    The ST Blade 6-circuit fuse block serves as a fundamental component for medium-sized electrical systems, offering a balance between compactness and management capacity. It is often preferred over individual inline fuse holders for its ability to organize multiple circuits within a single housing. Compared to models in the same series with more circuits (such as PN 5033 with 12 circuits), the 6-circuit model is suitable for pleasure craft or equipment requiring electrical distribution for a moderate number of devices, such as lighting, bilge pumps, secondary navigation instruments, or low-power communication systems. It provides a more robust and organized alternative to basic solutions, without reaching the complexity of main distribution panels.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"6 \/ Without","offer_id":55888188211540,"sku":"5028-BSS","price":39.57,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_ST_Blade_Fuse_Block_-_6_Circuits_with_Cover_5028-BSS_-_Ref_c6472eb7.jpg?v=1779332740"},{"product_id":"blue-sea-bloc-fusibles-st-blade-12-circuits-couvercle","title":"ST Blade 12-circuit fuse block with cover","description":"\u003cp\u003e\n    Designed for distributing and protecting electrical circuits aboard, the BLUE SEA ST Blade 12-circuit fuse block (reference 5029-BSS) provides a robust solution for marine installations. This model centralizes protection for twelve separate circuits using widely available and easy-to-replace ST Blade fuses. The block is supplied with a cover for enhanced protection against water spray and accidental contact.\n\u003c\/p\u003e\n\n\u003ch3\u003eEnvironmental compliance and specifications\u003c\/h3\u003e\n\u003cp\u003e\n    The BLUE SEA 5029-BSS fuse block complies with European directive 2002\/95\/EC (RoHS), certifying minimal concentrations or absence of hazardous substances. Testing confirms levels below maximum thresholds for lead (\u0026lt;0.1%), mercury (\u0026lt;0.1%), cadmium (\u0026lt;0.01%), hexavalent chromium (\u0026lt;0.1%), polybrominated biphenyls (PBB) (\u0026lt;0.1%), and polybrominated diphenyl ethers (PBDE) (\u0026lt;0.1%). This compliance ensures environmentally responsible integration for marine applications.\n\u003c\/p\u003e\n\n\u003ch3\u003ePositioning within the BLUE SEA range\u003c\/h3\u003e\n\u003cp\u003e\n    The \u003cstrong\u003eBLUE SEA ST Blade 12-circuit fuse block\u003c\/strong\u003e is part of a proven series of fuse blocks from the brand, including models 5025, 5026, 5028, 5030, 5031, 5033, and 5034. While lower-circuit versions (such as the 5025 or 5026) suit smaller installations, the 5029-BSS offers extended capacity for boats requiring protection for a greater number of devices without the complexity of large distribution panels. It represents a balance between compactness and capacity for mid-sized electrical systems.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"12 \/ Without","offer_id":55888278159700,"sku":"5029-BSS","price":53.68,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_ST_Blade_Fuse_Block_-_12_Circuits_with_Cover_5029-BSS_-_Ref_e056ecbd.jpg?v=1779333231"},{"product_id":"blue-sea-porte-fusible-agc-mdl-sertir","title":"Inline AGC\/MDL crimp fuse holder","description":"\u003cp\u003e\n    The BLUE SEA Systems inline AGC\/MDL crimp fuse holder is designed for individual protection of marine electrical circuits. This essential component allows the integration of an AGC or MDL fuse directly onto a cable, providing a compact and localized solution for equipment safety. It stands out for its crimp connection method, ensuring a reliable and durable electrical connection in marine environments.\n\u003c\/p\u003e\n\n\u003ch3\u003eTargeted Protection and Integration\u003c\/h3\u003e\n\u003cp\u003e\n    Unlike centralized fuse blocks or distribution panels, this fuse holder targets applications requiring discrete protection for a single device or a specific circuit segment. It is particularly suited for installations where space is limited or when protection must be placed as close as possible to the power source of sensitive equipment. Its crimp design minimizes potential failure points compared to screw connections for specific applications.\n\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility and Installation\u003c\/h3\u003e\n\u003cp\u003e\n    This fuse holder is compatible with AGC and MDL fuse types, two common formats in marine applications for low to moderate currents. Installation involves crimping conductors to the fuse holder ends, a method that, when properly executed with suitable tools, ensures a robust mechanical and electrical connection resistant to the vibrations and moisture typical of nautical environments.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":55888563798356,"sku":"5060-BSS","price":3.13,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Crimpable_In-Line_AGC_MDL_Fuse_Holder_5060-BSS_-_Ref_cdfa0c22.jpg?v=1779335758"},{"product_id":"blue-sea-porte-fusible-agc-mdl-etanche-marine","title":"Inline AGC\/MDL waterproof fuse holder","description":"\u003cp\u003e\n    Designed for protecting electrical circuits in marine environments, the BLUE SEA (part number 5061-BSS) inline waterproof fuse holder ensures the safety of your equipment. This component is compatible with AGC and MDL fuse types, providing flexibility for various low- to medium-power applications aboard. Its waterproof design is essential for maintaining circuit integrity against moisture and water spray, preventing short circuits and damage to connected devices.\n\u003c\/p\u003e\n\n\u003ch3\u003eTargeted Protection and Easy Integration\u003c\/h3\u003e\n\u003cp\u003e\n    The main advantage of an inline fuse holder like the 5061-BSS is its ability to provide localized protection for a specific piece of equipment or a section of a circuit. Unlike centralized fuse blocks, it allows for quick isolation of a failure without affecting the entire system. This BLUE SEA solution is positioned as an essential component for installations requiring individual and reliable protection, particularly for navigation equipment, bilge pumps, or exposed lighting systems.\n\u003c\/p\u003e\n\n\u003ch3\u003eMarine Reliability with BLUE SEA Fuse Holder\u003c\/h3\u003e\n\u003cp\u003e\n    Compared to generic solutions, the BLUE SEA 5061-BSS waterproof fuse holder benefits from the brand's expertise in marine electrical systems. While current and voltage specifications are not detailed, its waterproof design is a key selection criterion for wet environments. It integrates into existing or new electrical architectures, ensuring protection compliant with marine standards.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":55888571433300,"sku":"5061-BSS","price":6.17,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Waterproof_In-Line_AGC_MDL_Fuse_Holder_5061-BSS_-_Ref_d5345b4a.jpg?v=1779336120"},{"product_id":"blue-sea-porte-fusible-en-ligne-ato-atc-protection-electrique-marine","title":"Inline fuse holder ATO \/ ATC","description":"\u003cp\u003e\n    The BLUE SEA inline fuse holder (reference 5064-BSS) is designed for individual protection of marine electrical circuits. This component is essential for isolating and securing specific onboard equipment, preventing damage in case of overcurrent. Its inline design distinguishes it from fuse blocks or distribution panels, offering a compact solution for installations where space is limited or for devices requiring dedicated and easily accessible protection.\n\u003c\/p\u003e\n\n\u003ch3\u003eFunctionality and Compatibility\u003c\/h3\u003e\n\u003cp\u003e\n    This fuse holder is compatible with ATO and ATC fuse types, widely used standards in marine and automotive applications. Its simple mechanism allows for quick and efficient fuse replacement when needed, minimizing equipment downtime. It is commonly used to protect auxiliary electronic devices such as VHF radios, secondary GPS units, courtesy lighting, or low-amp pumps where centralized circuit protection is not necessary or practical.\n\u003c\/p\u003e\n\n\u003ch3\u003ePositioning in the Blue Sea Range\u003c\/h3\u003e\n\u003cp\u003e\n    Within the Blue Sea Systems range, recognized for its marine electrical management solutions, the 5064-BSS inline fuse holder is positioned as a basic and decentralized protection option. While products like the ST Blade fuse blocks or circuit breaker panels are intended for the distribution and protection of multiple main circuits, this inline fuse holder offers flexibility for adding circuits or providing spot protection. It complements existing systems by enabling simple and direct isolation without requiring major modifications to the main electrical panel.","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":55888629236052,"sku":"5064-BSS","price":3.68,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_In-Line_ATO_ATC_Fuse_Holder_5064-BSS_-_Ref_559cddfe.jpg?v=1779336526"},{"product_id":"blue-sea-porte-fusible-ligne-ato-atc-etanche","title":"Waterproof inline ATO\/ATC fuse holder","description":"\u003cp\u003e\n    The BLUE SEA 5065-BSS waterproof inline ATO\/ATC fuse holder is designed for individual protection of marine electrical circuits. It integrates directly into the wiring, providing a compact solution to add fuse protection where a larger fuse block is unnecessary or impractical.\n\u003c\/p\u003e\n\n\u003ch3\u003eWaterproof Protection for Marine Environments\u003c\/h3\u003e\n\u003cp\u003e\n    This model stands out for its waterproof design, essential for resisting water spray and humidity typical of nautical environments. This feature ensures the reliability of the connection and fuse, reducing risks of corrosion and premature failure compared to non-waterproof fuse holders. It complements installations where main distribution fuse blocks such as BLUE SEA’s ST Blade series are used, by providing localized protection for specific equipment.\n\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility and Installation\u003c\/h3\u003e\n\u003cp\u003e\n    Compatible with ATO and ATC fuse types, this universal inline fuse holder offers flexibility in selecting the appropriate amperage for each circuit. Its inline format simplifies installation, requiring only insertion on the wire of the circuit to be protected. It serves as an alternative or complement to more complex power distribution systems, such as those offered by brands like Garmin or Raymarine, which often integrate protection in their distribution boxes but do not always cover the need for remote individual protection. The 5065-BSS is a fundamental component for electrical safety aboard, preventing overcurrents that could damage equipment or cause incidents.","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":55888633430356,"sku":"5065-BSS","price":9.26,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Waterproof_In-Line_ATO_ATC_Fuse_holder_5065-BSS_-_Ref_22e88c57.jpg?v=1779336891"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/collections\/d47eebd185591d18cba6ae633f0771f5.png?v=1779978450","url":"https:\/\/skysat.fr\/en-us\/collections\/fuses.oembed","provider":"Skysat","version":"1.0","type":"link"}