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

MEGA AMG Max 300 A sulavkinnitusega kaitsekarp

The BLUE SEA SYSTEMS MEGA AMG Max 300 A fuse holder (7721B-BSS) 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 version (7720) in the same range.

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33,23€

33,23€ ~~40,68€~~

Käibemaksuga Tarne arvutatakse makse tegemise ajal.

Laosolekus

Free pickup point for orders over €150 in France
Pickup at Skysat possible

Custom installation

Trust Skysat to install the equipment on board

Request a quote

Installers near you

via our network of certified installers

Find an installer

Support service

Choose additional installation support

Technical specifications

Fusible tüüp	MEGA
Voolutugevus (A)	300.0
Ühilduv sulavarakaliibri vahemik	100-300
Kaitse sulavkaitse arv	1.0
kaitsekaas kaasas	Oui
Plahvatusohtliku keskkonna kaitse	Oui
Tulekindlus	Oui
Kontaktide materjal	Cuivre étamé
Korpuse materjal	Plastique résistant aux flammes
Kaal	0.07
Sertifikaadid	CE,ISO 8846
Pidevvoolu nimiväärtus	300
Humidity Operating Range Percent	0-95% (sans condensation)
Tootjanimi	Blue Sea Systems
Merekvaliteet	Oui
Maksimaalne alalisvoolu pinge	58
Tööpinge vahemik	12V - 58V DC
Toote seeria	MEGA
Toote tüüp	Porte-fusible
Storage Temperature Range C	-40°C à +85°C

Detailed description

Mõeldud tugevate vooluringide kaitseks merekeskkondades, pakub BLUE SEA SYSTEMSi MEGA AMG Max 300 A sulavkinnitus (tüüp 7721B-BSS) lahenduse kõrge voolu juhtimiseks. See mudel on ette nähtud rakendusteks, mis vajavad kuni 300 ampri kaitset, näiteks ankruvindade, esipropellerite või kõrge võimsusega generaatorite jaoks.

Kaitse ja vastavus

Sulavkinnitus 7721B-BSS on sertifitseeritud jahisõidukite direktiivi 94/25/EM muudatuse 2003/44/EM alusel vastavalt ISO 8846 standardile. See sertifitseerimine tagab kaitse süttivate gaaside süttimise vastu, mis on oluline ohutusnõue laevadel. Sarnase kaitse tasemega on samas tootjate mudel 7720, mis on ette nähtud 200 ampi jaoks, kuid 7721B-BSS laiendab seda võimekust 300 ampi jaoks rohkem nõudlikumatele elektrisüsteemidele.

Konstruktsioon ja paigaldus

Sulavkinnitus on varustatud kaitsekattega, mis pakub lisakaitset ühenduste ja sulavkaitsme vastu veepritsete ja merekeskkonna eest. Selle konstruktsioon on otse integreeritud elektrilise jaotussüsteemidesse, võimaldades kiiret vooluringi katkestamist ülekoormuse korral. Võrreldes vähem spetsialiseeritud lahendustega on see BLUE SEA SYSTEMSi sulavkinnitus eelkõige mõeldud mereasutuste kitsendustele, kus elektriohutus ja töökindlus on prioriteetsed.

Expert review

Pol CONIN

Digitaalarenduse vastutaja

« 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-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 advantage of this component. It ensures the fuse block 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. 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) with its higher capacity, making it essential for systems requiring 300-amp protection.

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MEGA AMG Max 300 A sulavkinnitusega kaitsekarp

33,23€

33,23€ ~~40,68€~~

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Frequently asked questions

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

The main function of this fuse block 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 handle?

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-power alternators.

Is this product certified for marine safety?

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 surrounding flammable gases?

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

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

The part number (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 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. Although they share similar protection features, the 7721B-BSS is intended for more demanding electrical systems requiring a 300-amp capacity.

Is specific knowledge required to install this fuse block?

Installing any marine electrical component, including a fuse block, 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 its safety and robustness requirements (gas ignition protection, resistance to splashes), it could potentially be used in other demanding DC applications requiring similar protection, provided that the technical specifications and safety standards for the relevant application are met.