MRBF Terminal Fuse - 250A - MRBF Terminal Fuse - 250A

MRBF Terminal Fuse - 250A - Dimension Drawing

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Prihranek 13%

Blue Sea Systems

5189-BSS

Vodljivi varovalnik MRBF - 250 A

Le fusible terminal BLUE SEA MRBF 250A (5189-BSS) est conçu pour la protection des circuits de forte intensité directement sur les bornes de batterie marines. Il assure une coupure rapide et fiable en cas de surcharge ou de court-circuit, optimisant la sécurité de votre installation électrique.

Le produit inclut un fusible terminal MRBF 250A.

Public priceGet pro pricing

19,87€

19,87€ ~~22,92€~~

DDV vključen Dostava se izračuna ob plačilu.

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	MRBF
Nazivna napetost	58 V DC
Jakost toka	250.0
Prekinilna sposobnost v primeru kratkega stika (kA)	10.0
Število varovalcev	1.0
Tip montaže	Sur goujon
Velikost vijakov	M8
Veličina navoja priključka	M8
Vključena varovalka	Oui
Zaščita pred vžigom	Oui
Zaviralec plamena	Oui
Usklajenost z ABYC	Oui
Material kontaktov	Cuivre étamé
Material ohišja	Thermoplastique UL 94V0 et Céramique
Priporočeni navor stiskanja priključkov	8.47
Maksimalni presek kabla na vijak	107.0
Teža	0.05
Območje delovnih temperatur	-40°C à +85°C
Certifikati	ABYC,SAE J1171,IP66,UL
Application Environment	Marin
Compact Design Benefit	Gain de place, réduction de l'encombrement
Conductor Material Plating	Étamé
Fire Prevention Feature	Oui
Fuse Element Material	Cuivre
Vgrajen nosilec varovalke	Non
Enostavnost namestitve	Élevée
Poudarek pri zasnovi izdelka	Sécurité, compacité
Razina trdnosti izdelka	Élevé
Serija izdelkov	MRBF
Tip izdelka	Fusible

Detailed description

Namenjen zaščiti krogov z visokim tokom, vodljivi varovalnik BLUE SEA MRBF 250A (5189-BSS) ponuja kompaktno in varno rešitev za morske električne naprave. Ta varovalnik se namešča neposredno na baterijske priključke ali na kompatibilne razdelilne točke, kar zmanjša dolžino kablov in število priključkov, s tem pa tudi upornost in tveganje za okvaro. Je dimenzioniran za nominalni tok 250 amperov, kar ga naredi primeren za energetsko intenzivne naprave, kot so inverterji, premikalniki premca ali vitli.

Optimalna zaščita za morske sisteme

Koncept MRBF (Marine Rated Battery Fuse) se razlikuje od tradicionalnih varovalnikov v liniji, kot so ANL ali Class T, po svoji obliki in načinu pritrditve. Medtem ko varovalniki ANL in Class T zahtevajo zunanji nosilec varovalnika in vmesne kabli, se vodljivi varovalnik BLUE SEA MRBF 250A namešča neposredno na pozitivno baterijsko priključko. Ta izvedba poenostavi kabliranje, zmanjša zasedenost v motornih predelih ali baterijskih skrinjah in zmanjša število komponent, potrebnih za učinkovito zaščito. Zagotavlja hitro in zanesljivo prekinitev v primeru preobremenitve ali kratkega stika, s tem pa ščiti celoten električni sistem in preprečuje tveganje požara.

Vgradnja in združljivost

Vodljivi varovalnik MRBF 250A je ključni element sodobnih sistemov električne zaščite. Vključen je v vrsto izdelkov BLUE SEA, ki so prepoznani po robustnih in zanesljivih rešitvah za morsko okolje. Uporablja se lahko kot dopolnilna zaščita v krogih DC razdelilnih sistemov, zagotavljajoč primarno zaščito v neposredni bližini vira energije. Njegova kompaktna oblika je prikazana na primerjalnih shemah v merilu, kar omogoča natančno načrtovanje prostora, potrebenega za vgradnjo.

Documentation

Type	Nom
	EN - Full Scale Fuse Comparison (scaled 1 - 1) - MRBF Terminal Fuse - 250A

Expert review

Pol CONIN

Odgovorni digitalni vodja

« High-intensity protection for marine systems »

The Blue Sea MRBF 250A terminal fuse is a strategic solution for protecting high-current circuits on vessels. Its unique design allows direct mounting on the battery’s positive terminal, which is crucial for minimizing the length of unprotected cables and thus reducing fire risks in the event of a short circuit between the battery and the first point of protection. For applications such as bow thrusters, windlasses, or high-power inverters (250A being a significant current rating), this proximity to the source is a major safety advantage.

Installation is simplified: the fuse integrates directly into the terminal system, often replacing a standard nut on the battery stud or a compatible MRBF distribution block. This provides considerable space savings compared to inline fuse holders and their associated wiring. It is imperative to ensure that the battery stud or distribution block is compatible with the MRBF format for a secure and loss-free connection. This type of fuse is a wise choice for installations requiring robust, compact primary protection, but it does not replace secondary protection for lower-current distribution circuits.

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Vodljivi varovalnik MRBF - 250 A

19,87€

19,87€ ~~22,92€~~

Frequently asked questions

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

The MRBF (Marine Rated Battery Fuse) terminal fuse is an electrical protection device designed for high-current circuits in marine environments. Its primary function is to protect the entire electrical system from overloads and short circuits by quickly interrupting the current, thereby preventing fire hazards and equipment damage.

What is the nominal current rating of this MRBF fuse and what applications is it suitable for?

This MRBF fuse has a nominal current rating of 250 amperes. It is specifically sized to protect high-power equipment with high current draw, such as inverters, bow thrusters, windlasses, and other marine electrical systems requiring robust protection.

How is the MRBF fuse installed in a marine electrical system?

The MRBF terminal fuse is designed to be mounted directly on battery terminals or compatible distribution blocks. This design minimizes cable lengths and connection points, reducing electrical resistance and failure risk.

What are the advantages of the MRBF design compared to traditional inline fuses like ANL or Class T?

The MRBF design offers several key advantages:

Direct integration: It mounts directly onto the battery's positive terminal, unlike ANL or Class T fuses which require an external fuse holder and intermediate cables.Direct integration simplifies wiring and reduces the number of components needed.Reduced footprint: It minimizes space requirements in engine compartments or battery storage areas.Optimized protection: It provides fast and reliable disconnection in case of overload or short circuit, effectively protecting the electrical system.

Is this fuse specifically designed for marine environments?

Yes, absolutely. The term 'MRBF' stands for 'Marine Rated Battery Fuse,' indicating it is specifically designed and tested for the robustness and reliability required in demanding marine environments. It is part of the BLUE SEA product range, known for its reliable solutions for the nautical sector.

Is it possible to use this fuse with different battery brands or distribution blocks?

This fuse is designed to mount on standard battery terminals or compatible distribution blocks. As long as the terminal or block dimensions match the MRBF fuse mounting specifications, it should be compatible with most brands.

What precautions should be taken when installing an MRBF fuse?

When installing an MRBF fuse, it is essential to ensure the connection is secure and clean to guarantee optimal conductivity and avoid hot spots. The polarity must also be respected, and the correct tools should be used for proper tightening. Professional installation is always recommended for marine electrical systems.

Can this fuse be used to protect multiple circuits simultaneously?

The MRBF 250A fuse is designed to protect a main circuit or a group of high-current circuits connected to the same battery terminal or distribution bus. If you need to individually protect multiple secondary circuits, it is recommended to use additional fuses or circuit breakers sized for each specific circuit downstream of the main MRBF fuse.