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

MRBF Terminal Fuse - 250A - Dimension Drawing

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Blue Sea Systems

5189-BSS

MRBF-klemmliidese sulavkaitse – 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.

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19,87€

19,87€ ~~22,92€~~

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

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Support service

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Technical specifications

Fusible tüüp	MRBF
Nimipinge	58 V DC
Voolutugevus (A)	250.0
Lühise katkestamise võimekus (kA)	10.0
Kaitse sulavkaitse arv	1.0
Montaažitüüp	Sur goujon
Tüüblite suurus (mm)	M8
Liitmise keermemõõt (mm)	M8
Fusible kaasas	Oui
Plahvatusohtliku keskkonna kaitse	Oui
Tulekindlus	Oui
ABYC vastavus	Oui
Kontaktide materjal	Cuivre étamé
Korpuse materjal	Thermoplastique UL 94V0 et Céramique
Soovitatav terminalide keermestusmoment (Nm)	8.47
Maksimaalne kaabliristlõige iga poldi kohta (mm²)	107.0
Kaal	0.05
Töötemperatuuri vahemik	-40°C à +85°C
Sertifikaadid	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
Fusibleerimiskinnitus integreeritud	Non
Paigalduse lihtsus	Élevée
Toote disaini rõhuasetus	Sécurité, compacité
Toote vastupidavuse tase	Élevé
Toote seeria	MRBF
Toote tüüp	Fusible

Detailed description

Suurvooluringide kaitsmiseks on MRBF-tüüpi sulavkaitse BLUE SEA MRBF 250A (5189-BSS) kompaktne ja ohutu lahendus mereelektripaigaldustele. See sulavkaitse monteeritakse otse akupoldidele või ühilduvatele jaotusklemmidele, vähendades nii kaablipikkusi ja ühenduskohti, mis alandab takistust ja rikke riski. See on mõeldud 250 ampri nimivoolu jaoks, mis teeb selle sobivaks energiahungriste seadmete, nagu inverterid, eespropellerid või ankruvintsid, kaitsmiseks.

Optimaalne kaitse merepaigaldustele

MRBF-kontseptsioon (Marine Rated Battery Fuse) erineb traditsioonilistest ANL- või Class T-tüüpi sulavkaitsmetest oma vormi ja kinnitusviisi poolest. ANL- ja Class T-tüüpi sulavkaitsmed vajavad väliseid sulavkaitsehoidikuid ja vahekaableid, aga MRBF 250A sulavkaitse integreerub otse positiivse akupoldi külge. See disain lihtsustab kaablitöid, vähendab mootori- või akukompartimentide ruumivajadust ja vähendab komponentide arvu, mis on vajalikud tõhusa kaitse tagamiseks. See tagab kiire ja usaldusväärse katkestuse ülekoormuse või lühise korral, kaitstes nii kogu elektrisüsteemi ja ennetades tuleohtu.

Paigaldus ja ühilduvus

MRBF 250A sulavkaitse on oluline osa kaasaegsetest elektrilise kaitse süsteemidest. See kuulub BLUE SEA tooteklassi, mida tuntakse robustsete ja usaldusväärsete lahenduste poolest merekeskkonnale. Teda võib kasutada lisaks teistele vooluringide kaitse seadmetele alalisvoolu jaotussüsteemides, tagades primaarkaitse energiaallika lähedal. Tema kompaktne vorm on näidatud võrdluskalendites, mis võimaldavad täpselt planeerida vajalikku paigaldusruumi.

Documentation

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

Expert review

Pol CONIN

Digitaalarenduse vastutaja

« High-intensity protection for marine systems »

The Blue Sea MRBF 250A terminal fuse provides a strategic solution for protecting high-current circuits on vessels. Its unique design allows direct mounting on the battery’s positive terminal, which is critical 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 (with 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 an MRBF-compatible distribution block. This offers considerable space savings compared to inline fuse holders and their associated wiring. It is imperative to ensure the battery stud or distribution block is compatible with the MRBF format for a secure, loss-free connection. This type of fuse is a wise choice for installations requiring robust, compact primary protection but does not replace secondary protection for lower-current distribution circuits.

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MRBF-klemmliidese sulavkaitse – 250 A

19,87€

19,87€ ~~22,92€~~

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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 rating of this MRBF fuse and what applications is it suitable for?

This MRBF fuse has a nominal rating of 250 amperes. It is specifically designed to protect high-power, high-current-draw equipment 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 the risk of failure.

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 on the battery's positive terminal, unlike ANL or Class T fuses which require an external fuse holder and intermediate cables.Wiring simplicity: This direct integration simplifies wiring and reduces the number of components needed.Space savings: It reduces clutter in engine compartments or battery storage areas.Optimized protection: It provides fast and reliable shutdown in case of overload or short circuit, effectively protecting the electrical system.

Is this fuse specifically designed for the marine environment?

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 fit 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 be respected, and the correct tools must 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 block. If you need to individually protect several secondary circuits, it is recommended to use additional fuses or circuit breakers suited to each specific circuit downstream of the main MRBF fuse.