MRBF Terminal Fuse - 125A - MRBF Terminal Fuse - 125A

MRBF Terminal Fuse - 125A - Dimension Drawing

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Blue Sea Systems

5184-BSS

Fusible terminal MRBF - 125 A

Conçu pour la protection des circuits haute intensité, le fusible terminal Blue Sea MRBF 125A offre une solution compacte et sécurisée. Il se monte directement sur la borne de batterie, minimisant les longueurs de câble et les risques. Ce fusible est un composant essentiel pour les installations électriques marines nécessitant une protection fiable jusqu'à 125 ampères.

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26,14€

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In stock

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Free returns within 30 days

Custom installation

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Technical specifications

Fuse type	MRBF
Nominal voltage	58
Amperage	125.0
Pouvoir de coupure en court-circuit	10.0
Nombre de fusibles	1.0
Mounting type	Sur borne
Taille des goujons	8
Taille du filetage des bornes	8
Fuse included	Oui
Protection anti-déflagrante	Oui
Flame retardant	Oui
Conformité ABYC	Oui
Contact material	Cuivre étamé
Housing material	Polymère thermoplastique
Couple de serrage recommandé des bornes	11.3
Dimensions (W x H x D)	27.8 x 16.3 x 23.0 mm
Weight	0.025
Operating temperature range	-40 à +85
Certifications	CE,UL
Electrical Protection Type	Protection contre les surintensités
Installation Benefit Cable Reduction	Réduit la longueur des câbles non protégés
Méthode d'installation	Directement sur borne de batterie
Intended use	Protection de circuits électriques marins à forte intensité
Maintenance Ease	Remplacement aisé
Environnement d'application du produit	Marin
Product type	Fusible
Poids net du produit	25
Protected Equipment Types	Convertisseurs, Propulseurs d'étrave, Guindeaux
Type de borne	Goujon

Detailed description

Le fusible terminal MRBF 125A de Blue Sea est une solution de protection pour les circuits électriques marins à forte intensité. Conçu pour une installation directe sur la borne de batterie, il permet de sécuriser les équipements gourmands en énergie tels que les convertisseurs, les propulseurs d'étrave ou les guindeaux.

Protection et intégration

Contrairement aux fusibles en ligne classiques nécessitant des porte-fusibles distincts, le concept MRBF (Marine Rated Battery Fuse) intègre le fusible directement sur la borne. Cette conception optimise l'espace, réduit la longueur des câbles non protégés et simplifie le câblage. Sa capacité de 125 ampères le positionne pour des applications de puissance moyenne à élevée, offrant une alternative compacte aux fusibles de type ANL ou à lames plus volumineux pour des courants similaires.

Sécurité des installations marines

Ce type de fusible est un composant de sécurité essentiel, évitant les surintensités qui pourraient endommager l'équipement ou, dans le pire des cas, provoquer des incendies. En cas de surcharge ou de court-circuit, le fusible MRBF 125A interrompt le circuit, protégeant ainsi l'ensemble du système électrique et des appareils connectés. Son remplacement est aisé, assurant une maintenance rapide et efficace sur l'eau.

Documentation

Type	Nom
	EN - Full Scale Fuse Comparison (scaled 1 - 1) - MRBF Terminal Fuse - 125A

Expert opinion

« High-intensity protection for battery terminal »

Blue Sea's MRBF terminal fuse, particularly the 125A model, is a technically sound choice for protecting main circuits in modern marine installations. Its primary advantage lies in its design, which allows direct mounting on the battery terminal. This architecture minimizes the length of unprotected cable between the power source and the fuse point, a fundamental requirement in marine electrical safety to reduce the risk of fire in the event of an upstream short circuit.

This type of fuse is ideal for applications requiring high current protection in a confined space, such as powering a mid-sized 12V/230V inverter, a compact bow thruster, or a windlass. It offers a more compact and often easier-to-integrate alternative to ANL or MIDI fuse holders for similar current ratings, while providing reliable protection. During installation, it is critical to ensure proper tightening of connections to avoid excessive resistance and overheating.

It is less suitable for very low-current circuits or applications requiring integrated multi-circuit protection, where fuse blocks or more complex circuit breakers would be preferable. For currents above 200-300A, other solutions such as ANL fuses or specific circuit breakers may be considered, but for the 50A to 200A range, the MRBF is often an optimal solution in terms of space and safety.

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Fusible terminal MRBF - 125 A

26,14€

Frequently Asked Questions

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What is an MRBF terminal fuse?

MRBF stands for 'Marine Rated Battery Fuse'. It is a type of fuse designed specifically for marine applications, installed directly on the battery terminal. This design provides compact and efficient protection for high-current circuits, reducing the length of unprotected cables and simplifying wiring.

What is the rated current of this fuse?

This Blue Sea MRBF terminal fuse has a rated current of 125 amperes (125A).

For which types of marine equipment is this fuse recommended?

This fuse is ideal for protecting high-power marine equipment such as inverters, bow thrusters, windlasses, and other devices requiring overcurrent protection.

What are the advantages of the MRBF fuse compared to other types of marine fuses?

The MRBF fuse offers several key advantages:

Reduced footprint: It installs directly on the battery terminal, eliminating the need for a separate fuse holder and optimizing space.

Improved safety: It reduces the length of unprotected cables between the battery and the fuse.

Simplified installation: Its integrated design simplifies wiring.

High-current protection: It provides reliable protection for high currents in a compact format, acting as an alternative to bulkier ANL or blade fuses.

Is this fuse ignition protected?

Yes, Blue Sea Systems MRBF fuses are designed to be ignition protected, meaning they are suitable for use in engine compartments where flammable vapors may be present, in compliance with marine safety standards.