{"title":"Contactors, solenoids \u0026 disconnectors","description":"\u003ch2\u003eContactors, solenoids and disconnectors: ordering high-current battery circuits on board\u003c\/h2\u003e\n\u003cp\u003eThis collection groups components that control or interrupt a high-current battery circuit: power solenoids, magnetically latched contactors, low-voltage disconnectors and timed relays. Their role is not to automatically split the load between two battery banks, but to cleanly open or close a DC circuit based on a command, a delay or a voltage threshold.\u003c\/p\u003e\n\u003cp\u003eFor automatic load splitting between engine battery and service bank, see the \u003ca href=\"\/en\/collections\/relais-de-charge\"\u003eBattery Chargers\u003c\/a\u003e collection instead. Here we focus on power interruption, remote control, protection against deep discharge and starter circuits.\u003c\/p\u003e\n\n\u003ch2\u003eL-Series Solenoids: simple 12\/24 V control\u003c\/h2\u003e\n\u003cp\u003eThe \u003ca href=\"\/en\/products\/blue-sea-solenoide-l-series-150a-12-24v\"\u003eBlue Sea L-Series 150 A\u003c\/a\u003e and \u003ca href=\"\/en\/products\/blue-sea-solenoide-l-series-250a-12-24v\"\u003eBlue Sea L-Series 250 A\u003c\/a\u003e solenoids are used to switch a DC circuit remotely without routing high current to the control panel. They suit permanent or intermittent high-current circuits: powering a secondary panel, controlling high-draw equipment, starter circuits or centralized power interruption.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e150 A\u003c\/strong\u003e: compact solution for 12\/24 V circuits with moderate current draw, featuring low coil consumption.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e250 A\u003c\/strong\u003e: heavier-duty model for larger cable cross-sections, battery banks and main circuits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIP67\u003c\/strong\u003e on L-Series models: useful in damp compartments or areas exposed to spray.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eML Solenoids: high current without hold current\u003c\/h2\u003e\n\u003cp\u003eThe ML (\u003cem\u003eMagnetic Latch\u003c\/em\u003e) models such as the \u003ca href=\"\/en\/products\/blue-sea-ml-solenoide-12v-dc-interrupteur-puissance\"\u003eBlue Sea ML 7701 12 V\u003c\/a\u003e, the \u003ca href=\"\/en\/products\/blue-sea-solenoide-ml-12v-500a-bi-stable\"\u003eBlue Sea ML 7718 12 V\u003c\/a\u003e and the \u003ca href=\"\/en\/products\/blue-sea-solenoide-ml-24v-relais-batterie-marine\"\u003eBlue Sea ML 7719 24 V\u003c\/a\u003e are bistable contactors. They change state on a pulse and remain open or closed without consuming hold current. This is useful on a boat where a continuously powered coil eventually overheats and wastes power.\u003c\/p\u003e\n\u003cp\u003eThese models target very high-current circuits: 500 A continuous depending on wiring configuration, higher intermittent current, and strong starting capacity. They require proper wiring: cable cross-section, terminals, fuses, busbars and battery isolators must be sized with the same care as the contactor itself.\u003c\/p\u003e\n\n\u003ch2\u003em-LVD and ATD Disconnectors: protect the battery or time a power cut\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/en\/products\/blue-sea-m-lvd-low-voltage-disconnect-deconnecteur-basse-tension\"\u003eBlue Sea m-LVD 7635\u003c\/a\u003e: 12 V, 65 A continuous low-voltage disconnect that cuts non-essential loads when battery voltage drops below an adjustable threshold. Useful to preserve starting reserve or prevent deep discharge.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/en\/products\/blue-sea-atd-automatic-timer-disconnect-relais-gestion-batterie\"\u003eBlue Sea ATD 7615\u003c\/a\u003e: 120 A timed disconnect that can cut a circuit after a delay or act as a management relay depending on the configured mode. Suitable for equipment that must not remain powered indefinitely after engine shutdown or loss of a control signal.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/en\/products\/bep-solenoide-12v-100a-demarrage-moteur\"\u003eBEP 12 V 100 A solenoid\u003c\/a\u003e: starter motor solenoid rated for intermittent service and high current peaks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSelection criteria\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntended function\u003c\/strong\u003e: remote control, safety cut-off, low-voltage disconnection, timing, or engine starting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eContinuous and intermittent current\u003c\/strong\u003e: nominal rating is not enough; also check starting current, permissible duration and associated cable cross-section.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControl voltage\u003c\/strong\u003e: 12 V, 24 V or multi-voltage control circuit depending on model.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoil consumption\u003c\/strong\u003e: a standard solenoid can draw power as long as it remains closed; an ML bistable model avoids this hold current.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnvironment\u003c\/strong\u003e: IP66 or IP67, ignition protection, gasoline engine compartment, proximity to batteries, ventilation and maintenance accessibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall architecture\u003c\/strong\u003e: the contactor does not replace a fuse, a serviceable battery isolator, or a clear distribution diagram.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSkysat advice\u003c\/h2\u003e\n\u003cp\u003eBefore selecting a contactor or solenoid, sketch the circuit: power source, load, upstream fuse, cable cross-section, control method and expected fault behavior. An m-LVD protects a battery from deep discharge; an ATD prevents a load from remaining powered after use; an L-Series solenoid switches a circuit; an ML serves very high currents with minimal hold current. These are not interchangeable products.\u003c\/p\u003e\n\u003cp\u003ePair with \u003ca href=\"\/en\/collections\/fusibles\"\u003efuses\u003c\/a\u003e, \u003ca href=\"\/en\/collections\/coupe-batteries\"\u003ebattery isolators\u003c\/a\u003e, \u003ca href=\"\/en\/collections\/distribution\"\u003ebusbars\u003c\/a\u003e, \u003ca href=\"\/en\/collections\/cablage-electricite\"\u003eelectrical cables\u003c\/a\u003e and \u003ca href=\"\/en\/collections\/moniteurs-de-batterie\"\u003ebattery monitors\u003c\/a\u003e to build a maintainable and safe installation.","products":[{"product_id":"rule-contacteur-pompe-cale-niveau-12-24v-14a","title":"Bilge pump switch","description":"\u003cp\u003e\n    Designed for automatic bilge pump management, the RULE A Matic 35A level switch (part number RL035) is an essential safety device for navigation. This unit is suitable for 12V and 24V marine electrical systems, capable of switching a maximum current of 14A at 12V and 7A at 24V. It features a mercury-free float switch, ensuring environmental compliance while providing reliable water level detection.\n\u003c\/p\u003e\n\u003ch3\u003eIntegration and compliance\u003c\/h3\u003e\n\u003cp\u003e\n    The RULE 35A switch is supplied with 16 AWG (1.29 mm) wiring of 712 mm length, facilitating integration into various bilge configurations. It is designed to operate specifically with fresh water and salt water. Installation must comply with ABYC standards, and the float switch must be positioned at or above the pump base for positive shut-off. This model meets EN 61000-6-1:2001, EN 61000-6-3:2007 and ISO 10133:2000 standards, attesting to its reliability and electromagnetic compatibility in the marine environment.\n\u003c\/p\u003e\n\u003ch3\u003ePositioning in the RULE range\u003c\/h3\u003e\n\u003cp\u003e\n    The RULE 35A switch is positioned as a standard model for medium-capacity bilge pumps. Within the RULE range, it is complemented by higher-capacity models such as the 37A and 40A, which can handle up to 20A at 12V and 10A at 24V. The 37A model offers a 5-year warranty, compared to 2 years for the 35A and 40A. The 40A model features an integrated protective plate. The choice of model will therefore depend on the maximum amperage of the pump to be controlled and specific requirements regarding protection and warranty.\n\u003c\/p\u003e","brand":"Rule","offers":[{"title":"Default Title","offer_id":53723771273556,"sku":"RL035","price":41.04,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/main_1dc28d4b-9e81-445b-933d-b91c7409867b.jpg?v=1779966498"},{"product_id":"bep-solenoide-12v-100a-demarrage-moteur","title":"12V 100A Solenoid","description":"\u003cp\u003e\n    The \u003cstrong\u003e12V 100A solenoid\u003c\/strong\u003e from BEP is a robust switching component designed for engine starting applications in marine environments. With a capacity of 100 amperes in intermittent duty, it ensures reliable transfer of peak currents required to activate the starter motor. Its copper contact terminals with 5\/16\"-24 pitch and signal terminals with #10\/32 pitch guarantee solid electrical connections, meeting the requirements of professional marine installations.\n\u003c\/p\u003e\n\n\u003ch3\u003ePerformance and reliability for engine starting\u003c\/h3\u003e\n\u003cp\u003e\n    This BEP solenoid stands out for its ability to handle peak currents (make rating) of 750 amperes, essential for engine cranking. Unlike standard relays with lower capacity, the \u003cstrong\u003e12V 100A solenoid\u003c\/strong\u003e is specifically sized for an intermittent duty cycle of 10 seconds on and 20 minutes off, making it perfectly suited for engine starting cycles. This design prevents overheating and premature failures that can occur with less specialized components such as generic battery relays. It is directly compatible with the Cole Hersee M-200 standard, facilitating its integration as a replacement or upgrade.\n\u003c\/p\u003e\n\n\u003ch3\u003eIntegration and installation\u003c\/h3\u003e\n\u003cp\u003e\n    The \u003cstrong\u003e12V 100A solenoid\u003c\/strong\u003e is supplied with a mounting bracket whose mounting holes are sized at 5\/16\" x 19\/32\" with a center-to-center distance of 2-13\/64\". This standardization allows quick replacement in most marine electrical panels. Its steel or PVC housing (depending on version) provides protection suited to the humid environment of engine compartments. It is compatible with all BEP battery management systems, including battery switch ranges and distribution panels.\n\u003c\/p\u003e","brand":"BEP Marine","offers":[{"title":"Default Title","offer_id":55721024815444,"sku":"1002206","price":40.66,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/fvddpi0w_1002206_MAIN.jpg?v=1778055082"},{"product_id":"blue-sea-atd-automatic-timer-disconnect-relais-gestion-batterie","title":"Automatic timed disconnect ATD","description":"\u003cp\u003e\n    Designed for optimized management of 12V marine electrical systems, the BLUE SEA ATD Automatic Timer Disconnect (reference 7615) is a versatile device capable of performing four distinct functions: timed disconnection, low-voltage disconnection, automatic charge relay (ACR), and simple solenoid. This flexibility allows multiple battery management functions to be consolidated into a single component, simplifying complex installations.\n\u003c\/p\u003e\n\n\u003ch3\u003ePower management and battery protection\u003c\/h3\u003e\n\u003cp\u003e\n    The BLUE SEA ATD 7615-BSS offers configurable disconnection options to protect batteries from excessive discharge. In timed disconnection mode, it cuts power to devices after a predefined period ranging from 15 minutes to 4 hours once the 12V signal is removed. For enhanced protection, the low-voltage disconnection mode monitors battery voltage and automatically isolates loads when it reaches an adjustable threshold (11.0V, 11.5V, or 12.0V), with a 10-second delay to prevent false triggers. This function can be combined with timed disconnection for proactive management.\n\u003c\/p\u003e\n\n\u003ch3\u003eCharge relay and solenoid functionalities\u003c\/h3\u003e\n\u003cp\u003e\n    As an automatic charge relay (ACR), the BLUE SEA ATD 7615 automatically combines two battery banks for charging from a single source, then isolates them during discharge. Its unilateral sensing design monitors the starter battery voltage, making it suitable for AGM auxiliary batteries or larger capacity batteries. The device connects when voltage reaches 13.0V for 3 seconds and disconnects if it falls below 12.75V for 10 seconds. Finally, the ATD 7615 can operate as a simple solenoid, activating or deactivating the relay instantly via a 12V signal, without delay.\n\u003c\/p\u003e\n\n\u003ch3\u003eRobust and compliant with marine standards\u003c\/h3\u003e\n\u003cp\u003e\n    The ATD 7615-BSS is designed for demanding marine environments, with immersion protection up to 1 meter for 30 minutes (IP67). It is CE marked and meets external ignition protection requirements per ISO 8846 and SAE J1171, ensuring enhanced safety. With a continuous current capacity of 120A and intermittent capacity of 210A (5 min), it is compatible with cables up to 1\/0 AWG (50mm²) via M10 studs. Configuration is performed via DIP switches, allowing precise adaptation to system requirements. Overvoltage protection disconnects the device if voltage exceeds 16.0V for 5 seconds.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":55861154185556,"sku":"7615-BSS","price":131.01,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_ATD_Automatic_Timer_Disconnect_7615-BSS_-_Ref_4b220214.jpg?v=1779203474"},{"product_id":"blue-sea-m-lvd-low-voltage-disconnect-deconnecteur-basse-tension","title":"Low-voltage disconnect m-LVD","description":"\u003cp\u003e\n    Designed for intelligent power management of 12V DC systems, the \u003cstrong\u003eBLUE SEA m-LVD Low Voltage Disconnect\u003c\/strong\u003e is an automatic low-voltage disconnect device. It protects batteries from deep discharge by automatically cutting non-essential loads when battery voltage drops below a preset threshold. This function preserves energy needed for engine start or extends battery life.\n\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications and Key Features\u003c\/h3\u003e\n\u003cp\u003e\n    The m-LVD operates at a nominal voltage of 12V DC, with a continuous current rating of 65A and an intermittent rating of 115A for 5 minutes. Its disconnect voltage is adjustable from 11.3V to 12.1V, with a factory setting of 12.1V. The system includes a 5-minute delay before activating an alarm (if optional) when voltage falls below the threshold, followed by an additional 5-minute delay before effective disconnection, totaling 10 minutes. Reconnection occurs automatically when voltage exceeds 13.0V for 2 minutes or 13.5V for 30 seconds. Operating current is 95mA when connected and 4mA when open.\n\u003c\/p\u003e\n\u003cp\u003e\n    The disconnect device ships with the PN 7928 remote control switch, which allows adjustment of the disconnect voltage, activation of an \"Override\" mode delaying disconnection by 10 minutes, or manual circuit cutoff via the \"OFF\" function. The switch also disables the optional audible alarm. The m-LVD is IP67 rated for temporary immersion and meets external ignition protection requirements per ISO 8846 and SAE J1171. It supports cables up to 1\/0 AWG (50mm²) with 1\/4\"-20 (M6) terminal studs requiring 60 in-lb (6.78 Nm) torque. Unit weight is not specified in provided documentation or web sources.\n\u003c\/p\u003e\n\n\u003ch3\u003eIntegration and Positioning\u003c\/h3\u003e\n\u003cp\u003e\n    While products like BLUE SEA manual battery switches or ACR load distributors handle isolation or load distribution respectively, the m-LVD serves as a proactive battery protection component. It differs from a simple battery switch by its automation and ability to specifically manage non-essential loads. Compared to more complex solutions featuring multifunction battery managers, the m-LVD provides a targeted and simplified solution for low-voltage disconnection, particularly suited to 12V DC installations requiring reliable protection against deep discharge without the complexity of a full system.","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":55861157626196,"sku":"7635-BSS","price":106.44,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Technical_Detail_-_BLUE_SEA_m-LVD_Low_Voltage_Disconnect_7635-BSS_-_Ref_adae8702.png?v=1779203548"},{"product_id":"blue-sea-ml-solenoide-12v-dc-interrupteur-puissance","title":"Solenoid ML - 12 V DC","description":"\u003cp\u003e\nDesigned for remote power circuit management, the Blue Sea Systems ML 12V DC solenoid (PN 7701) is a latching magnetic switch. It stands out for its ability to switch high loads without requiring direct manual control of the device, unlike the ML-Series remote battery switches (PN 7700\/7702) that include manual operation. This feature makes it ideal for installations where physical access to the switch is limited or unnecessary.\n\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Performance and Power Consumption\u003c\/h3\u003e\n\u003cp\u003e\nThe 7701-BSS solenoid delivers significant electrical performance with a nominal voltage of 12V DC and a contact voltage range of 0-64V, making it compatible with multi-voltage systems. Its bi-stable magnetic latching design ensures zero continuous current draw, drawing power (less than 7A for 20 ms) only during state changes (ON\/OFF). It supports a 1,450A inrush current for 30 seconds and a continuous current of 500A, with a 700A intermittent capacity for 5 minutes. These specifications position it for demanding applications such as engine starters, inverters, or bow thrusters.\n\u003c\/p\u003e\n\n\u003ch3\u003eMarine Integration and Reliability\u003c\/h3\u003e\n\u003cp\u003e\nEquipped with 3\/8\"-16 (M10) tinned copper studs and stainless steel flange nuts, the ML 12V DC solenoid ensures maximum conductivity and high corrosion resistance. Its design meets external ignition protection requirements (ISO 8846 and SAE J1171) and carries an IP66 rating, providing protection against powerful water jets. The device includes an LED output for remote state indication and is typically supplied with a Contura remote control switch (model 2145) for easy integration into the dashboard. The operating temperature range of -10°C to 60°C attests to its robustness in marine environments.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":55861161197908,"sku":"7701-BSS","price":215.6,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_ML_Solenoid_-_12V_DC_7701-BSS_-_Ref_164cc29e.jpg?v=1779203639"},{"product_id":"blue-sea-solenoide-l-series-150a-12-24v","title":"Series L Solenoid - 150 A 12\/24 V","description":"\u003cp\u003e\n    The Blue Sea Systems L-Series 150A 12\/24V solenoid, part number 7765, is designed for switching medium-current DC loads in marine and 12V\/24V onboard systems. It provides a remote control solution for demanding applications.\n\u003c\/p\u003e\n\u003ch3\u003eDesign and performance\u003c\/h3\u003e\n\u003cp\u003e\n    This SPST (single-pole single-throw) normally open solenoid is notable for its continuous duty capability. It handles a continuous rated current of 150A with 2 AWG cable at 50°C ambient, an intermittent current of 225A (5 minutes), and an inrush current of 600A (30 seconds). Its nominal voltage is 12V\/24V DC, with a control circuit accepting voltages from 9V to 36V DC. Coil current draw is 0.13A at 12V and 0.07A at 24V, minimizing heat generation and coil circuit power consumption.\n\u003c\/p\u003e\n\u003ch3\u003eIntegration and robustness\u003c\/h3\u003e\n\u003cp\u003e\n    The 7765 features hermetically sealed contacts, ensuring protection against harsh marine environments and enhanced durability. It is CE certified and has IP67 protection, guaranteeing waterproofing against immersion up to 1 meter for 30 minutes. It is activated remotely via a low-ampere ON-OFF switch (sold separately). Compared to the 9012 model in the same series, which offers a continuous capacity of 250A and higher inrush capabilities (900A for 30 seconds), the 7765 is suited for loads under 150A, such as DC subpanels, bow thrusters, windlasses, or moderate power inverters. The terminals are M8 studs, accepting 5\/16\" lugs, with a maximum tightening torque of 10 Nm.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"150 A","offer_id":55861165326676,"sku":"7765-BSS","price":157.07,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Solenoid_L-Series_-_150A_12_24V_7765-BSS_-_Ref_1774d35e.jpg?v=1779203725"},{"product_id":"blue-sea-solenoide-l-series-250a-12-24v","title":"Series L Solenoid - 250 A 12\/24 V","description":"\u003cp\u003e\n    Designed for demanding marine electrical systems, the Blue Sea Systems L-Series 9012 solenoid handles high loads with increased reliability and environmental protection. It is the high-capacity model in the L-Series, delivering 250A of continuous current, distinguishing it from the 7765 model (150A) in the same range. This capacity makes it suitable for applications requiring robust management of starter circuits, battery banks, or main distribution panels.\n\u003c\/p\u003e\n\u003ch3\u003ePerformance and technical specifications\u003c\/h3\u003e\n\u003cp\u003e\n    The 9012 solenoid provides 250A of continuous current when used with 1\/0 AWG cable, up to 300A with 2\/0 AWG cable, and up to 450A with two 2\/0 AWG cables. Its inrush current rating is 1000A for 30 seconds with a 2\/0 AWG cable, and its intermittent current (5 minutes) is 400A with a 2\/0 AWG cable. It operates at a nominal voltage of 12V or 24V DC, with a control circuit ranging from 8.5V to 36V DC. The continuous operating current is 0.13A at 12V and 0.07A at 24V. The coil control circuit is designed to minimize heat and amp draw, and does not require external suppression.\n\u003c\/p\u003e\n\u003ch3\u003eDesign and installation\u003c\/h3\u003e\n\u003cp\u003e\n    The solenoid contacts are hermetically sealed, and the unit is IP67 rated, ensuring protection against dust and immersion up to 1 meter for 30 minutes. Its design is also ignition-protected (SAE J1171), making it safe for installation in gasoline engine compartments on boats. The unit now features serrated flange nuts for M8 terminals, replacing traditional nuts and split washers, providing a more secure and reliable cable termination. Control circuit connections are made via a 20 AWG tinned wire. The solenoid is also UL 508 listed and CE marked, attesting to its compliance with industrial and marine standards. It maintains the same installation footprint as the previous version, facilitating upgrades.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"250 A","offer_id":55861192982868,"sku":"9012-BSS","price":225.29,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Solenoid_L-Series_-_250A_12_24V_9012-BSS_-_Ref_b7516eb8.jpg?v=1779203997"},{"product_id":"blue-sea-solenoide-ml-12v-500a-bi-stable","title":"ML 12 V Solenoid","description":"\u003cp\u003e\n    Designed for marine power management, the BLUE SEA ML 12V solenoid, part number 7718-BSS, is a high-current switching solution for onboard electrical systems. This bistable magnetic-locking (ML) solenoid maintains its state (ON or OFF) without continuous current draw, providing increased energy efficiency compared to monostable solenoids, which require constant power to remain activated.\n\u003c\/p\u003e\n\n\u003ch3\u003eSwitching capacity and robustness\u003c\/h3\u003e\n\u003cp\u003e\n    The 7718-BSS delivers significant power handling with continuous load switching of 500 amperes (with 2x 4\/0 AWG wiring), 700 amperes intermittent for 5 minutes, and up to 1450 amperes peak for 30 seconds during engine start. Its silver-alloy contacts ensure high reliability for live load switching. The 3\/8\"-16 (M10) tinned copper stud terminals maximize conductivity and corrosion resistance, and accept a tightening torque of 15.8 N·m. Its design provides mechanical endurance of 100,000 cycles and switching resistance of 10,000 cycles at 300A under 12V DC.\n\u003c\/p\u003e\n\n\u003ch3\u003eIntegration and positioning within the ML-Series\u003c\/h3\u003e\n\u003cp\u003e\n    This solenoid is a key component for securing and optimizing battery circuits, whether for engine loads, inverters, domestic services, or emergency battery coupling. It serves as a simplified and cost-effective version of the ML-Series remote battery switches, such as models 7713 or 7717, without the manual control function. While the 7718-BSS lacks built-in manual control, a remote LED indicator is available to display the switch state via an external light or a compatible Contura control switch (a Contura remote control switch is included in the retail pack). It complies with ISO 8846 and SAE J1171 standards for external ignition protection and is CE-certified with an IP66 rating, making it resistant to dust and intense water spray. For installations requiring higher voltage, the 7719 model in the same series offers similar specifications in 24V DC.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":55899384054100,"sku":"7718-BSS","price":236.86,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Solenoid_ML_12V_7718-BSS_-_Ref_128c4ee4.jpg?v=1779373926"},{"product_id":"blue-sea-solenoide-ml-24v-relais-batterie-marine","title":"ML 24 V Solenoid","description":"\u003cp\u003e\n    The BLUE SEA 7719-BSS ML 24V solenoid is a power management solution designed for high-current 24V marine electrical systems. This ML-series relay features a magnetic latch design, drawing near-zero current (\u0026lt;13 mA continuous at 25°C) when ON or OFF, and a brief \u0026lt;4 A (20 ms) draw only during state changes. This design extends battery life by eliminating hold current.\n\u003c\/p\u003e\n\u003ch3\u003ePerformance and Reliability in Marine Environments\u003c\/h3\u003e\n\u003cp\u003e\n    With a continuous switching capacity of 500 A and a surge current rating of 1450 A for 30 seconds (with 2x 120 mm² wiring), the 7719-BSS solenoid is suited for demanding applications such as engine starters, inverters, or battery bank switching. Its silver alloy contacts and 3\/8\"-16 (M10) tinned copper studs ensure maximum conductivity and excellent corrosion resistance, extending the device’s lifespan to 100,000 mechanical cycles. The housing meets IP66 ingress protection standards, shielding it from dust and powerful water jets, and complies with external ignition protection requirements per ISO 8846 and SAE J1171.\n\u003c\/p\u003e\n\u003ch3\u003ePositioning within the ML-Series Range\u003c\/h3\u003e\n\u003cp\u003e\n    The 7719-BSS model is a pure solenoid without an integrated manual override, distinguishing it from remote battery switches in the ML-RBS series such as PN 7713 (12V) and PN 7717 (24V), which include a manual bypass function (manual override) providing ON\/OFF control and a physical \"LOCK OFF\" capability for maintenance. The 7719-BSS is specifically designed for applications where remote control via an SPDT or SPST switch is sufficient, without the need for direct manual intervention on the relay itself. Its control circuit accepts 18–32 V DC, ensuring broad compatibility with 24V systems.\n\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"Default Title","offer_id":55899391033684,"sku":"7719-BSS","price":237.19,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Solenoid_ML_24V_7719-BSS_-_Ref_bd77c8c6.jpg?v=1779373960"},{"product_id":"blue-sea-solenoides-l-series","title":"Solenoids L-Series","description":"\u003cp\u003eThis sheet groups Blue Sea Systems variants of the same range to quickly compare current without multiplying product pages.\u003c\/p\u003e\n\u003cp\u003eSelect the variant suited to your installation: the child product retains its own price, images, and specifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSkysat tip:\u003c\/strong\u003e check the rating, voltage, number of circuits, or exact configuration before ordering, especially for an existing marine electrical installation.\u003c\/p\u003e","brand":"Blue Sea Systems","offers":[{"title":"150 A","offer_id":55861165326676,"sku":"7765-BSS","price":157.07,"currency_code":"EUR","in_stock":true},{"title":"250 A","offer_id":55861192982868,"sku":"9012-BSS","price":225.29,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/files\/01_-_Hero_-_BLUE_SEA_Solenoid_L-Series_-_150A_12_24V_7765-BSS_-_Ref_1774d35e.jpg?v=1779203725"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/3274\/4788\/collections\/solenoid.png?v=1779961001","url":"https:\/\/skysat.fr\/en\/collections\/relays-contactors.oembed","provider":"Skysat","version":"1.0","type":"link"}