MRBF Terminal Fuse - 300A - MRBF Terminal Fuse - 300A

MRBF Terminal Fuse - 300A - Dimension Drawing

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Blue Sea Systems

5190-BSS

Fusible terminal MRBF - 300 A

Conçu pour la protection de circuits à courant élevé, le fusible terminal Blue Sea MRBF 300A (référence 5190-BSS) assure une sécurité électrique essentielle dans les installations marines. Ce fusible de type Marine Rated Battery Fuse offre une coupure rapide des surcharges et s'installe directement sur les bornes de batterie pour une protection compacte et efficace. Il s'agit d'un composant individuel, sans accessoires inclus.

Public priceGet pro pricing

19,91€

19,91€ ~~22,92€~~

IVA inclòs Expedició calculada en el moment del pagament.

En estoc

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

Service d'assistance

Choose additional assistance for installation

Technical specifications

Tipus de fusible	MRBF
Amperatge	300.0
Nombre de fusibles	1.0
Tipus de muntatge	Sur borne
Mida de les clavilles	M8
Mida de la rosca del terminal	M8
Fusible inclòs	Oui
Protecció antiexplosiva	Oui
Ignífug	Oui
Conformitat ABYC	Oui
Material dels contactes	Cuivre étamé
Parell de cargol recomanat de les terminals	7.9
Interval de temperatura de funcionament	-40°C à +85°C
Certificacions	CE,ABYC
Application Environment	Marin
Compact Design Benefit	Réduit l'encombrement et simplifie le câblage
Resistència a la corrosió	Oui
Electrical Protection Type	Protection contre les surcharges et courts-circuits
Electrical Safety Standard	ABYC
Protecció contra sobrecàrregues	Oui
Product Purpose Electrical	Protection de circuits à courant élevé
Gama de productes	MRBF
Tipus de producte	Fusible
Compatibilitat de tensió del sistema	12V, 24V
Resistència a vibracions	Oui

Detailed description

Dissenyat per a la protecció de circuits d’alta intensitat en entorns marins, el fusible terminal MRBF 300A de Blue Sea (referència 5190-BSS) ofereix una solució compacta i eficient. Aquest fusible de tipus MRBF (Marine Rated Battery Fuse) està especialment dimensionat per a muntar-se directament sobre els borns de bateria o sobre blocs de distribució MRBF, cosa que minimitza la longitud dels cables sense protecció i el risc d’incendi elèctric.

Protecció optimitzada i integració

Comparat amb els fusibles ANL o MIDI, el format MRBF permet una instal·lació més propera a la font d’energia, reduint l’encombrament i simplificant el cablejat per a aplicacions com ara onduladors, propulsors d’etrava o guinchets. El fusible Blue Sea MRBF 300A assegura una desconnexió ràpida en cas de sobrecàrrega, protegint així tot el sistema elèctric del vaixell contra possibles danys. S’integra en sistemes elèctrics de 12V o 24V.

Fiabilitat i normes marines

El disseny del fusible Blue Sea MRBF compleix els requisits dels entorns marins, on la resistència a la corrosió i a les vibracions és primordial. Aquest tipus de fusible és un component essencial per garantir el compliment de les normes de seguretat elèctrica a bord, proporcionant una protecció fiable per als circuits principals o les càrregues específiques que requereixen una intensitat elevada. La gamma MRBF de Blue Sea és reconeguda per la seva capacitat d’oferir una protecció robusta en un format poc encombrant.

Documentation

Type	Nom
	EN - Full Scale Fuse Comparison (scaled 1 - 1) - MRBF Terminal Fuse - 300A

Expert review

Pol CONIN

Responsable digital

« Battery terminal protection with MRBF 300A fuse: selection and installation »

The Blue Sea MRBF (Marine Rated Battery Fuse) terminal fuse, particularly the 300A model, is a technically sound solution for protecting main circuits in marine installations. Its design allows direct mounting on the battery post, minimizing the length of unprotected cable between the power source and the protection—a critical factor for fire safety and compliance with ABYC standards. This approach is preferable to using remote inline fuse holders, which increase the length of unprotected cable.

This type of fuse is particularly well-suited for protecting high-current loads such as large inverters, bow thrusters, windlasses, or high-end audio systems. Unlike ANL or MIDI fuses, which often require a separate fuse block and longer cables, the MRBF offers a compact footprint, freeing up space in typically cramped battery compartments. It is essential to ensure the MRBF fuse rating is correctly matched to the cable gauge it protects and the maximum current of the powered device. The fuse holder must also be compatible with the fuse rating used. For optimal installation, ensure proper tightening of connections to minimize resistance and heat generation.

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Fusible terminal MRBF - 300 A

19,91€

19,91€ ~~22,92€~~

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Frequently Asked Questions

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What is an MRBF terminal fuse and what is its main purpose?

The Blue Sea MRBF (Marine Rated Battery Fuse) terminal fuse, part number 5190-BSS, is a protection device designed specifically for high-current circuits in marine environments. Its primary role is to provide rapid interruption in the event of an electrical overload, thereby protecting the entire vessel's electrical system from potential damage and minimizing fire hazards.

What is the particularity of installing an MRBF fuse compared to ANL or MIDI fuses?

Unlike ANL or MIDI fuses, the MRBF fuse is designed for direct installation on battery terminals or dedicated MRBF distribution blocks. This feature minimizes the length of unprotected cables, reducing clutter, simplifying wiring, and enhancing safety by placing protection as close as possible to the power source.

Is this fuse suitable for the specific conditions of marine environments?

Yes, the Blue Sea MRBF fuse is specifically designed to meet the requirements of marine environments. Its design ensures resistance to corrosion and vibration, which are critical factors aboard a vessel. It is an essential component for compliance with electrical safety standards in marine environments.

What is the maximum current rating this fuse can handle?

This Blue Sea MRBF terminal fuse is rated for a nominal current of 300 Amperes (300A). It is designed to protect high-current circuits.

On which types of marine electrical systems is this fuse compatible?

The Blue Sea MRBF 300A terminal fuse is compatible and integrates with marine electrical systems operating at 12 Volts (12V) or 24 Volts (24V).

Where should this fuse be installed for optimal protection?

For optimal protection, the MRBF fuse must be installed directly on the battery terminals or on an MRBF distribution block. This installation close to the power source is essential to minimize the length of unprotected cables and ensure maximum safety.

For which onboard boat applications is this fuse particularly recommended?

This fuse is particularly recommended for protecting high-current circuits that power equipment such as:

InvertersBow thrustersWindlassesIt provides robust protection for these specific loads requiring high amperage.

Is the MRBF 300A fuse an essential component for electrical safety?

Yes, the Blue Sea MRBF 300A fuse is a critical component for compliance with electrical safety standards aboard vessels. Its ability to provide robust and rapid protection in case of overload is essential to prevent equipment damage and fire risks linked to electrical failures.