Porte fusible MEGA AMG Max 300A avec couvercle - AMG® Safety Fuse Block

Porte fusible MEGA AMG Max 300A avec couvercle - Dimensioned Drawing

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Prihranek 18%

Blue Sea Systems

7721B-BSS

Nosilec varoval MEGA AMG Max 300 A z pokrovom

The BLUE SEA SYSTEMS MEGA AMG Max 300 A (7721B-BSS) fuse holder is designed for protecting high-current marine electrical circuits. Certified to ISO 8846 for protection against gas ignition, it ensures the safety of critical equipment. This model, which includes a cover, is ideal for demanding current applications, offering a higher capacity than the 200A (7720) version in the same range.

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33,23€

33,23€ ~~40,68€~~

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Na zalogi

Free pickup point from €150 in France
Pickup at Skysat possible

Custom installation

Trust Skysat to install the equipment on board

Request a quote

Installers near you

thanks to our network of certified installers

Find an installer

Support service

Choose complementary installation support

Technical specifications

Vrsta varovalke	MEGA
Jakost toka	300.0
Obseg združljivih varovalnih kalibrov	100-300
Število varovalcev	1.0
Zaščitni pokrov je vključen	Oui
Zaščita pred vžigom	Oui
Zaviralec plamena	Oui
Material kontaktov	Cuivre étamé
Material ohišja	Plastique résistant aux flammes
Teža	0.07
Certifikati	CE,ISO 8846
Ocenjena kontinuirana tokovna obremenitev	300
Humidity Operating Range Percent	0-95% (sans condensation)
Ime proizvajalca	Blue Sea Systems
Morska kakovost	Oui
Maksimalna napetost enosmernega toka	58
Območje delovne napetosti	12V - 58V DC
Serija izdelkov	MEGA
Tip izdelka	Porte-fusible
Storage Temperature Range C	-40°C à +85°C

Detailed description

Namenjen zaščiti krogov z visokim tokom v morskih okoljih, nosilec varovala MEGA AMG Max 300 A podjetja BLUE SEA SYSTEMS, referenca 7721B-BSS, ponuja rešitev za upravljanje visokih tokov. Ta model je namenjen aplikacijam, ki zahtevajo zaščito do 300 amperov, kar ga postavlja za opremo, kot so vitla, premikajoči se potisniki ali močni alternatorji.

Zaščita in skladnost

Nosilec varovala 7721B-BSS je certificiran v skladu z direktivo o plovilih za šport in razvedo 94/25/ES, dopolnjeno z 2003/44/ES, v skladu s standardom ISO 8846. Ta certifikacija zagotavlja zaščito pred vžigom okoliških vnetljivih plinov, kar je ključni kriterij za varnost na ladjah. Ta raven zaščite je podobna modelu 7720 istega proizvajalca, ki je namenjen tokovom 200 amperov, vendar 7721B-BSS razširi to zmogljivost na 300 amperov za bolj zahtevne električne sisteme.

Konstrukcija in integracija

Nosilec varovala je dobavljen z pokrovom, ki zagotavlja dodatno zaščito priključkov in varovala pred pršicami in morskim okoljem. Njegova konstrukcija je namenjena neposredni integraciji v sisteme električne razdelitve, kar omogoča hitro prekinitev kroga v primeru preobremenitve. V primerjavi z manj specializiranimi rešitvami je ta nosilec varovala podjetja BLUE SEA SYSTEMS posebej prilagojen omejitvam morskih instalacij, kjer sta zanesljivost in električna varnost ključnega pomena.

Expert review

Pol CONIN

Odgovorni digitalni vodja

« Technical analysis of the Blue Sea MEGA AMG 300A fuse block »

Installing a MEGA AMG fuse block is a critical step for electrical safety in high-power marine installations. The Blue Sea Systems 7721B-BSS model, with its 300-amp capacity, is particularly suitable for protecting the main power supply of a windlass, bow thruster, or high-power inverter. It should be positioned as close as possible to the energy source—typically the service battery—to minimize the length of unprotected cable.

The ISO 8846 certification for gas ignition protection is a major advantage of this component. It ensures the fuse block will not act as an ignition source in potentially explosive environments, such as engine compartments. During installation, high-quality, crimped, and insulated terminals must be used to ensure optimal conductivity and prevent overheating at connection points. While installation is relatively straightforward for a marine electrician, selecting the appropriate AMG fuse (sold separately) must be done carefully based on the maximum load and the cross-section of the protected cable. This model differs from its 7720 counterpart (200A) due to its higher capacity, making it essential for systems requiring 300-amp protection.

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Nosilec varoval MEGA AMG Max 300 A z pokrovom

33,23€

33,23€ ~~40,68€~~

Frequently asked questions

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What is the main function of the BLUE SEA MEGA AMG Max 300 A fuse holder?

The main function of this fuse holder is to provide essential protection for high-current electrical circuits in marine environments. It is designed to quickly interrupt the circuit in case of overload, thereby protecting the vessel's equipment and electrical system.

What is the maximum current rating this fuse holder can support?

This fuse holder is designed to support a maximum current rating of 300 amperes (300 A).

Is the fuse holder supplied with a protective cover?

Yes, this fuse holder is supplied with a cover. The cover provides additional protection for the connections and fuse against water spray and marine environmental elements.

Is this fuse holder specifically designed for marine applications?

Yes, this fuse holder is specifically designed for marine environments. Its design is suited to the constraints of nautical installations, where electrical reliability and safety are paramount.

Which types of fuses are compatible with this fuse holder?

This fuse holder is compatible with MEGA AMG type fuses.

For which typical applications is this fuse holder recommended on board a boat?

This fuse holder is recommended for protecting high-current circuits such as those for windlasses, bow thrusters, or high-output alternators.

Is this product certified for safety in marine environments?

Yes, this fuse holder is certified under the Recreational Craft Directive 94/25/EC, as amended by 2003/44/EC, and complies with ISO 8846.

Does the fuse holder provide protection against ignition of surrounding flammable gases?

Yes, this product is certified to provide protection against ignition of surrounding flammable gases, which is an essential safety criterion on board vessels.

What is the part number (SKU) of this fuse holder?

The part number (SKU) for this product is 7721B-BSS.

Which brand is this fuse holder?

The brand of this fuse holder is Blue Sea Systems.

What is the weight of this fuse holder?

The weight of this fuse holder is 0.07 kg.

In which country is this fuse holder manufactured?

This fuse holder is manufactured in Mexico.

Can this fuse block be used with 12V or 24V systems?

Yes, Blue Sea Systems MEGA AMG fuse blocks and fuses are generally designed for use with marine DC electrical systems, including 12V and 24V installations, as well as higher voltages up to 32V or 58V depending on the specific fuse used. The fuse block itself is a holder.

Is the 7721B-BSS fuse holder an alternative to the 7720 model?

The 7721B-BSS model (300 A) is an option for higher currents than the 7720 model (200 A) from the same brand. While they share similar protection characteristics, the 7721B-BSS is intended for more demanding electrical systems requiring a 300-amp capacity.

Is specific knowledge required to install this fuse holder?

Installing any marine electrical component, including a fuse holder, requires electrical knowledge. It is recommended to use a qualified professional to ensure correct and safe installation, compliant with maritime standards.

How is the fuse holder mounted or secured?

The fuse holder is designed for direct integration into electrical distribution systems. While specific mounting details are not provided, fuse holders of this type are typically secured using screws on a flat surface.

Are installation instructions provided with the product?

The provided information does not specify whether detailed installation instructions are included. However, Blue Sea Systems products are often supplied with documentation, and resources are available on the manufacturer's website. It is always recommended to consult a professional for installation.

What is the difference between this model and the Blue Sea Systems 7720 model?

The main difference lies in the maximum supported current. The 7721B-BSS model can handle up to 300 amperes, while the 7720 model is designed for currents up to 200 amperes. Both models provide similar protection against gas ignition and are certified to the same standards.

Can this fuse holder be used in non-marine environments?

Although specifically designed and certified for marine environments due to its safety and robustness requirements (gas ignition protection, resistance to splashes), it could potentially be used in other high-current DC applications requiring similar protection, provided the technical specifications and safety standards for the relevant application are met.