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

MRBF Terminal Fuse - 250A - Dimension Drawing

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Blue Sea Systems

5189-BSS

Osigurač MRBF s priključnim stezaljkama - 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€~~

UK Isporuke izračunate u trenutku plaćanja.

Na zalihi

Free pickup point from €150 in France
Pickup at Skysat possible

Custom installation

Trust Skysat for onboard equipment installation

Request a quote

Installers near you

through our network of certified installers

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Support service

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Technical specifications

Vrsta osigurača	MRBF
Nazivni napon	58 V DC
Jakost struje (A)	250.0
Isključna sposobnost u slučaju kratkog spoja (kA)	10.0
Broj osigurača	1.0
Vrsta montaže	Sur goujon
Veličina klinova (mm)	M8
Veličina navoja priključka	M8
Osigurač uključen	Oui
Zaštita od paljenja	Oui
Negoriv	Oui
Usklađenost s ABYC standardom	Oui
Materijal kontakata	Cuivre étamé
Materijal kućišta	Thermoplastique UL 94V0 et Céramique
Preporučeni moment zatezanja priključaka (Nm)	8.47
Maksimalni presjek kabela po stezaljki (mm²)	107.0
Težina	0.05
Raspon radne temperature	-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
Integrirani držač osigurača	Non
Jednostavnost ugradnje	Élevée
Naglasak dizajna proizvoda	Sécurité, compacité
Razina izdržljivosti proizvoda	Élevé
Serija proizvoda	MRBF
Vrsta proizvoda	Fusible

Detailed description

Namijenjen zaštiti krugova visokog intenziteta, osigurač MRBF tvrtke BLUE SEA 250A (5189-BSS) nudi kompaktno i sigurno rješenje za električne instalacije na moru. Ovaj osigurač se ugrađuje izravno na baterijske stezaljke ili na kompatibilne distribucijske ploče, čime se smanjuju dužine kabela i broj spojeva, što rezultira nižim otporom i manjim rizikom od kvara. Specifično je dimenzioniran za nominalnu struju od 250 ampera, što ga čini prikladnim za energetski zahtjevnu opremu kao što su izmjenjivači, pramčani potisnici ili vitla.

Optimalna zaštita za morske sustave

Koncept MRBF (Marine Rated Battery Fuse) razlikuje se od tradicionalnih osigurača u liniji kao što su ANL ili Class T po svom obliku i načinu pričvršćivanja. Dok osigurači ANL i Class T zahtijevaju vanjski nosač osigurača i međukabele, osigurač MRBF tvrtke BLUE SEA 250A integriran je izravno na pozitivnu baterijsku stezaljku. Ovaj dizajn pojednostavljuje ožičenje, smanjuje zauzeće prostora u strojarnama ili baterijskim odjeljcima te smanjuje broj komponenti potrebnih za učinkovitu zaštitu. Osigurava brzo i pouzdano isključivanje u slučaju preopterećenja ili kratkog spoja, štiteći cijeli električni sustav i sprječavajući rizik od požara.

Ugradnja i kompatibilnost

Osigurač MRBF 250A s priključnim stezaljkama ključni je element suvremenih sustava električne zaštite. Dio je linije proizvoda tvrtke BLUE SEA, poznate po robusnim i pouzdanim rješenjima za morsko okruženje. Može se koristiti zajedno s drugim zaštitama krugova za DC distribucijske instalacije, osiguravajući primarnu zaštitu u neposrednoj blizini izvora energije. Njegov kompaktni oblik prikazan je u usporednim skicama, omogućavajući precizno planiranje potrebnog prostora za ugradnju.

Documentation

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

Expert review

Pol CONIN

Digitalni odgovorni

« High-intensity protection for marine systems »

The BLUE SEA MRBF 250A terminal fuse represents 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 the risk of fire 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), 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 saves considerable space 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 and compact primary protection, but it does not replace secondary protection for lower-current distribution circuits.

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Osigurač MRBF s priključnim stezaljkama - 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 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 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 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 line, 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 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 also 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.