---
product_id: 11354551
title: "Terminal Fuses"
brand: "blue sea systems"
price: "E£ 3215"
currency: EGP
in_stock: true
reviews_count: 8
category: "Blue Sea Systems"
url: https://www.desertcart.com.eg/products/11354551-terminal-fuses
store_origin: EG
region: Egypt
---

# 100A max current clear fuse inspection window ABYC marine safety certified Terminal Fuses

**Brand:** blue sea systems
**Price:** E£ 3215
**Availability:** ✅ In Stock

## Summary

> 🛡️ Protect your power like a pro—because safety is the ultimate luxury.

## Quick Answers

- **What is this?** Terminal Fuses by blue sea systems
- **How much does it cost?** E£ 3215 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.eg](https://www.desertcart.com.eg/products/11354551-terminal-fuses)

## Best For

- blue sea systems enthusiasts

## Why This Product

- Trusted blue sea systems brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ignition-Proof Design:** Engineered for safe operation aboard gasoline-powered vessels, minimizing fire risks in critical marine environments.
- • **Compact & Durable Build:** Robust metal construction in a sleek 5x3x1 inch form factor fits seamlessly into your power system setup.
- • **Precision Visual Monitoring:** Integrated clear viewing window lets you instantly spot blown fuses—no guesswork, no downtime.
- • **Optimized for Heavy-Duty Use:** Designed exclusively for use with Blue Sea terminal fuse blocks, guaranteeing secure, reliable installation.
- • **Marine-Grade Safety Assurance:** ABYC-compliant 10,000 AIC rating ensures top-tier DC circuit protection for your high-capacity battery banks.

## Overview

The Blue Sea Systems 5183 100A MRBF Terminal Fuse is a marine-rated, ABYC-compliant fuse designed to safeguard large DC battery circuits with a 10,000 AIC rating at 14V DC. Featuring a clear inspection window and ignition protection, it must be paired with Blue Sea terminal fuse blocks for secure installation, making it an essential safety component for heavy-duty marine and electrical systems.

## Description

Blue Sea Systems 5183 100 A MRBF Terminal Fuse is a marine‑rated 100 amp MRBF (Marine Rated Battery Fuse) terminal fuse designed to protect large DC battery circuits when used with a compatible Blue Sea terminal fuse block (do not mount directly to the battery post). It features ABYC‑compliant overcurrent protection, ignition protection for safe use aboard gasoline‑powered boats, and a clear viewing window for quick blown‑fuse inspection, making it ideal for heavy‑duty marine and electrical systems. bluesea.com

Review: Blew within seconds! Good quality - Worked great. Blew the fuse while I was installing it!
Review: DIYers for lithium battery builds remember it’s all about the AIC!! - This is a great product. Many complain about the price. But it’s a critical safety measure for life and property safety so is $80 for a fuse and holder worth getting versus some cheap Chinese thing that if the absolute worst happens (internal battery failure/ thermal runaway conditions) you want to bet your life and/or home on? Yes we have other safety devices, BMSs etc…but if you don’t plan for the worst (highly unlikely) scenario then you’re a gambler. IMHO Remember the AIC rating is super important in fuses. That’s what going to prevent an arc from forming and allowing massive current to flow not to mention it can act as an ignition source for the hydrogen gas LifePo4 batteries vent. No arc less chance of fire. With these terminal fuses keep in mind the AIC drops as your pack voltage goes up from 12v to 24/48v. I build both. The picture is of a 16s 48v LFP pack. The terminal fuse is 3rd or 4th in line of safety measures right from the start. It doesn’t have the AIC @48v to handle a serious failure, hence it’s just a part of the safety system. #1 a must - class T fuse with an AIC rating of at least 20k connected directly to the battery main positive. If you can find a 50K AIC even better. #2 BMS - great when they work but even the highest quality ones can fail you. Not something to depend on solely. #3 DC breaker - this is a cheap junk Chinese breaker that I have zero trust in. For me it’s merely a cutoff switch to the terminals. It came as part of the metal enclosure kit. I can’t find a quality breaker that fits in there unfortunately. #4 These terminal fuses. Fan to vent gas from the case with a VOC sensor I built to alert me if hydrogen gas is being vented. Also added temperature sensors on various parts of the metal case to alert me (also connected to a microcontroller I built). I changed the default settings on the BMS for short circuit amps to a much much lower numbers same with temperature settings. Since my packs pull very minuscule amount of power I’ll never come close to the 100a the bms/pack is rated for. From there it’s again a series of disconnect switches, class T fuses to the inverter. For my “worst case scenario nothing stopped an internal failure” I have CellBlockEX pellets to pour on top of the box. I also have a Lifepo4 designed fire extinguisher (yes they are different due to the LFP chemistry and the ability of LFP batteries to self ignite since they produce all the elements needed for fire on their own. I also have canisters of Stat-X First Responder Aerosol Fire Suppression to toss at a fire and run away. Is this all overkill many would say yes. I would ask that same question to them if they skimped out on parts and lost property or god forbid life. I bet I would get a different answer then. Be safe folks. While super rare, you better have measures in place to deal with the super rare possibilities. Or like I said maybe you’re a gambler. Up to you what you need to feel safe and sleep at night. Class T fuses need to be in place sometimes a lot depends on your setup. Blue sea systems gets an A+ from me. I know you are paying more for the name but I’m ok with it. YMMV! Happy DIYing! Free energy from the sun!!

## Features

- Product type :FISHING EQUIPMENT
- 10,000 AIC at 14V DC satisfies ABYC requirements for DC Main circuit protection on large battery banks
- Requires the use of Terminal Fuse Blocks PN 5191 or PN 2151—do not mount the fuse directly to the battery terminal
- Package dimensions :2.108 cm L x3.911 cm W x8.001 cm H

## Technical Specifications

| Specification | Value |
|---------------|-------|
| AC Adapter Current | 100 Amps |
| ASIN | B0017SJOH4 |
| Best Sellers Rank | #3,173 in Automotive ( See Top 100 in Automotive ) #13 in Automotive Fuses |
| Brand | Blue Sea Systems |
| Brand Name | Blue Sea Systems |
| Color | blue/sea |
| Customer Reviews | 4.8 out of 5 stars 1,258 Reviews |
| Included Components | BATTERY TERMINAL FUSE 100-AMP |
| Item Dimensions | 5 x 3 x 1 inches |
| Item Height | 1 inches |
| Item Type Name | BATTERY TERMINAL FUSE 100-AMP |
| Item dimensions L x W x H | 5 x 3 x 1 inches |
| Manufacturer | Blue Sea Systems |
| Material | Metal |
| Material Type | Metal |
| Maximum Current | 100 Amps |
| Model | 5183 |
| Mounting Type | Through-Hole Mount |
| Specification Met | Abyc |
| UPC | 632085051839 611104339189 |
| Unit Count | 1.0 Count |
| Voltage | 14 Volts |
| Warranty Description | LIMITED WARRANTY |

## Product Details

- **AC Adapter Current:** 100 Amps
- **Brand:** Blue Sea Systems
- **Item dimensions L x W x H:** 5 x 3 x 1 inches
- **Material:** Metal
- **Voltage:** 14 Volts

## Images

![Terminal Fuses - Image 1](https://m.media-amazon.com/images/I/61lMC+9PwLL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Blew within seconds! Good quality
*by B***L on November 29, 2025*

Worked great. Blew the fuse while I was installing it!

### ⭐⭐⭐⭐⭐ DIYers for lithium battery builds remember it’s all about the AIC!!
*by F***D on May 24, 2024*

This is a great product. Many complain about the price. But it’s a critical safety measure for life and property safety so is $80 for a fuse and holder worth getting versus some cheap Chinese thing that if the absolute worst happens (internal battery failure/ thermal runaway conditions) you want to bet your life and/or home on? Yes we have other safety devices, BMSs etc…but if you don’t plan for the worst (highly unlikely) scenario then you’re a gambler. IMHO Remember the AIC rating is super important in fuses. That’s what going to prevent an arc from forming and allowing massive current to flow not to mention it can act as an ignition source for the hydrogen gas LifePo4 batteries vent. No arc less chance of fire. With these terminal fuses keep in mind the AIC drops as your pack voltage goes up from 12v to 24/48v. I build both. The picture is of a 16s 48v LFP pack. The terminal fuse is 3rd or 4th in line of safety measures right from the start. It doesn’t have the AIC @48v to handle a serious failure, hence it’s just a part of the safety system. #1 a must - class T fuse with an AIC rating of at least 20k connected directly to the battery main positive. If you can find a 50K AIC even better. #2 BMS - great when they work but even the highest quality ones can fail you. Not something to depend on solely. #3 DC breaker - this is a cheap junk Chinese breaker that I have zero trust in. For me it’s merely a cutoff switch to the terminals. It came as part of the metal enclosure kit. I can’t find a quality breaker that fits in there unfortunately. #4 These terminal fuses. Fan to vent gas from the case with a VOC sensor I built to alert me if hydrogen gas is being vented. Also added temperature sensors on various parts of the metal case to alert me (also connected to a microcontroller I built). I changed the default settings on the BMS for short circuit amps to a much much lower numbers same with temperature settings. Since my packs pull very minuscule amount of power I’ll never come close to the 100a the bms/pack is rated for. From there it’s again a series of disconnect switches, class T fuses to the inverter. For my “worst case scenario nothing stopped an internal failure” I have CellBlockEX pellets to pour on top of the box. I also have a Lifepo4 designed fire extinguisher (yes they are different due to the LFP chemistry and the ability of LFP batteries to self ignite since they produce all the elements needed for fire on their own. I also have canisters of Stat-X First Responder Aerosol Fire Suppression to toss at a fire and run away. Is this all overkill many would say yes. I would ask that same question to them if they skimped out on parts and lost property or god forbid life. I bet I would get a different answer then. Be safe folks. While super rare, you better have measures in place to deal with the super rare possibilities. Or like I said maybe you’re a gambler. Up to you what you need to feel safe and sleep at night. Class T fuses need to be in place sometimes a lot depends on your setup. Blue sea systems gets an A+ from me. I know you are paying more for the name but I’m ok with it. YMMV! Happy DIYing! Free energy from the sun!!

### ⭐⭐⭐⭐⭐ Quality you can depend on.
*by U***C on November 19, 2025*

It meets the expectations on both quality of manufacturing and functionality. Its a Bussmann. Enough said .

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*Product available on Desertcart Egypt*
*Store origin: EG*
*Last updated: 2026-04-29*