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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Blue Sea Systems

7721B-BSS

Fusiblelaidis MEGA AMG Max 300 A su dangteliu

The BLUE SEA SYSTEMS MEGA AMG Max 300 A (7721B-BSS) fuse block is designed for protecting high-current marine electrical circuits. Certified to ISO 8846 for gas ignition protection, it ensures the safety of critical equipment. This model, which includes a cover, is ideal for demanding current applications, offering 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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Sandėlyje

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

through our network of certified installers

Find an installer

Support service

Choose additional assistance for installation

Technical specifications

Lydžio tipas	MEGA
Ampiražas	300.0
Suderinamo saugiklio veržlių diapazonas	100-300
Apsauginių įtaisų skaičius	1.0
Apsauginis dangtis įtrauktas	Oui
Sprogimo rizikos apsauga	Oui
Ugniai atspari	Oui
Kontaktų medžiaga	Cuivre étamé
Korpusas: medžiaga	Plastique résistant aux flammes
Svoris	0.07
Sertifikatai	CE,ISO 8846
Nuolatinės srovės įvertis	300
Humidity Operating Range Percent	0-95% (sans condensation)
Gamintojo pavadinimas	Blue Sea Systems
Jūrinės kokybės	Oui
Maksimali nuolatinė įtampa	58
Veikimo įtampos diapazonas	12V - 58V DC
Produkto linija	MEGA
Produkto tipas	Porte-fusible
Storage Temperature Range C	-40°C à +85°C

Detailed description

Sukurtas stiprios srovės grandinių apsaugai jūrinėse aplinkose, Blue Sea Systems MEGA AMG Max 300 A (katalogo nr. 7721B-BSS) fusiblelaidis siūlo sprendimą didelės srovės valdymui. Šis modelis skirtas naudoti sistemoms, kurioms reikalinga iki 300 amperų apsauga, todėl tinka įrenginiams, tokiems kaip inkarų keltuvai, priekinių variklių varikliai arba didelės galios generatoriai.

Apsauga ir atitikimas

7721B-BSS fusiblelaidis atitinka jachtų direktyvą 94/25/CE su 2003/44/CE pakeitimais bei ISO 8846 standartą. Ši sertifikacija užtikrina apsaugą nuo aplinkinių degiųjų dujų užsidegimo, esminį saugumo kriterijų laivuose. Šis apsaugos lygis yra panašus į to paties gamintojo 7720 modelio (200 A), tačiau 7721B-BSS pritaikytas didesnės srovės sistemoms (iki 300 A).

Konstrukcija ir integracija

Fusiblelaidis tiekiamas su dangteliu, kuris užtikrina papildomą apsaugą jungčių ir saugiklio nuo purslų bei jūrinės aplinkos poveikio. Jo konstrukcija leidžia tiesioginį įsisavinimą elektros skirstymo sistemose, užtikrinant greitą grandinės nutraukimą perkrovos atveju. Palyginti su mažiau specializuotomis alternatyvomis, Blue Sea Systems šis fusiblelaidis yra pritaikytas jūrinėms įrengimo sąlygoms, kur patikimumas ir elektrinė sauga yra prioritetai.

Expert review

Pol CONIN

Skaitmeninės veiklos vadovas

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

Integrating a MEGA AMG fuse holder is a critical step for electrical safety in high-consumption marine installations. The Blue Sea Systems 7721B-BSS model, with its 300-amp capacity, is particularly suitable for applications such as protecting the main power supply of a windlass, bow thruster, or high-power inverter. Its ideal placement is 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 asset for this component. It ensures that the fuse holder will not be a source of ignition in potentially explosive environments, such as engine compartments. During installation, it is essential to use high-quality, crimped, and insulated terminals to ensure optimal conductivity and prevent overheating at connection points. Although its 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 stands out from its 7720 counterpart (200A) due to its higher capacity, making it indispensable for systems requiring 300-amp protection.

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Fusiblelaidis MEGA AMG Max 300 A su dangteliu

33,23€

33,23€ ~~40,68€~~

Frequently asked questions

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

The primary 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 rated for a maximum current 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, amended by 2003/44/EC, and complies with ISO 8846.

Does the fuse holder provide protection against ignition of gases?

Yes, this product is certified to provide protection against ignition of surrounding flammable gases, which is a critical safety criterion for on-board vessel safety.

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

The SKU for this product is 7721B-BSS.

What is the brand of 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 holder be used with 12V or 24V systems?

Yes, Blue Sea Systems MEGA AMG fuse holders 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 holder itself is a mount.

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 features, the 7721B-BSS is designed for more demanding electrical systems requiring a 300-ampere 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 in compliance 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 offer 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 safety and robustness requirements (gas ignition protection, resistance to splashes), it could potentially be used in other DC applications requiring similar protection, provided that the technical specifications and safety standards for the relevant application are met.