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

MRBF Terminal Fuse - 250A - Dimension Drawing

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Sutaupyta suma: 13%

Blue Sea Systems

5189-BSS

MRBF lydžio gnybtas - 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€~~

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Sandėlyje

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

Support service

Choose additional assistance for installation

Technical specifications

Lydžio tipas	MRBF
Nominalioji įtampa	58 V DC
Ampiražas	250.0
Trumpojo jungimo atjungimo galia (kA)	10.0
Apsauginių įtaisų skaičius	1.0
Montavimo tipas	Sur goujon
Standžių dydis (mm)	M8
Gnybto sriegio dydis (mm)	M8
Pridėtas lydis	Oui
Sprogimo rizikos apsauga	Oui
Ugniai atspari	Oui
ABYC atitikimas	Oui
Kontaktų medžiaga	Cuivre étamé
Korpusas: medžiaga	Thermoplastique UL 94V0 et Céramique
Rekomenduojamas gnybtų sukimo momentas (Nm)	8.47
Didžiausias kabelio skerspjūvis ant varžto (mm²)	107.0
Svoris	0.05
Veikimo temperatūros diapazonas	-40°C à +85°C
Sertifikatai	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
Įmontuotas lydžio laikiklis	Non
Įrengimo paprastumas	Élevée
Produkto dizaino akcentas	Sécurité, compacité
Produkto atsparumo lygis	Élevé
Produkto linija	MRBF
Produkto tipas	Fusible

Detailed description

Sukurtas stiprios srovės grandinių apsaugai, BLUE SEA MRBF 250A (5189-BSS) lydžio gnybtas siūlo kompaktišką ir saugią sprendimą jūrinėms elektros įrenginiams. Šis lydis montuojamas tiesiogiai prie akumuliatoriaus gnybtų arba suderinamų skirstomųjų plokščių, minimizuojant kabelių ilgius ir jungčių taškus, todėl sumažinama varža ir gedimo rizika. Jis specialiai suprojektuotas 250 amperų nominalinei srovei, todėl tinka energiją intensyviai naudojančioms įrangai, tokiems kaip inverteriai, priekinių variklių varikliai arba grįžtamieji kranai.

Optimali apsauga jūrinėms sistemoms

MRBF (Marine Rated Battery Fuse) koncepcija skiriasi nuo tradicinių linijinių lydžių, tokių kaip ANL ar Class T, savo forma ir tvirtinimo būdu. Kol ANL ir Class T lydžiai reikalauja išorinio lydžio laikiklio ir tarpinių kabelių, BLUE SEA MRBF 250A lydžio gnybtas tiesiogiai integruojamas prie teigiamo akumuliatoriaus gnybto. Šis dizainas supaprastina laidų jungimą, sumažina užimtą erdvę variklių skyriuose arba akumuliatorių dėžėse bei sumažina reikalingų komponentų skaičių efektyviai apsaugai. Jis užtikrina greitą ir patikimą atjungimą perkrovos arba trumpojo jungimo atveju, apsaugodamas visą elektros sistemą ir mažindamas gaisro riziką.

Įterpimas ir suderinamumas

MRBF 250A lydžio gnybtas yra esminis šiuolaikinių elektros apsaugos sistemų elementas. Jis priklauso BLUE SEA produktų šeimai, žinomai savo tvirtais ir patikimais sprendimais jūrinėje aplinkoje. Jį galima naudoti kartu su kitomis grandinės apsaugomis DC skirstymo sistemose, užtikrinant pirminę apsaugą kuo arčiau energijos šaltinio. Jo kompaktiškas dizainas iliustruojamas palyginimo schemomis masteliu, leidžiančiomis tiksliai planuoti reikalingą įrengimo erdvę.

Documentation

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

Expert review

Pol CONIN

Digital Manager

« 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 protection point. 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 an MRBF-compatible distribution block. This saves considerable space compared to traditional inline fuse holders and their associated wiring. It is essential to ensure that 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 it does not replace secondary protection for lower-current distribution circuits.

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MRBF lydžio gnybtas - 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 main function is to protect the entire electrical system from overloads and short circuits by quickly cutting off the current, thereby preventing fire hazards and equipment damage.

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

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

How is this 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 lockers.Optimized protection: It ensures fast and reliable tripping 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 reliable solutions in the nautical sector.

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

This fuse is designed to be mounted on standard battery terminals or compatible distribution blocks. As long as the dimensions of the terminals or blocks match the mounting specifications of the MRBF fuse, 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 appropriate tools must be used for correct 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 sized for each specific circuit downstream of the main MRBF fuse.