---
product_id: 297720263
title: "Blue Sea Systems MEGA/AMG Safety Fuse Block"
brand: "blue sea systems"
price: "HK$849"
currency: HKD
in_stock: false
reviews_count: 5
category: "Blue Sea Systems"
url: https://www.desertcart.hk/products/297720263-blue-sea-systems-mega-amg-safety-fuse-block
store_origin: HK
region: Hong Kong
---

# 300A max current Sealed marine-grade cover Ignition protected Blue Sea Systems MEGA/AMG Safety Fuse Block

**Brand:** blue sea systems
**Price:** HK$849
**Availability:** ❌ Out of Stock

## Summary

> 🛥️ Fuse your boat’s power with confidence and style!

## Quick Answers

- **What is this?** Blue Sea Systems MEGA/AMG Safety Fuse Block by blue sea systems
- **How much does it cost?** HK$849 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/297720263-blue-sea-systems-mega-amg-safety-fuse-block)

## 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 Safe:** Certified ignition protection for gasoline & diesel boats—safety first
- • **Code Compliant:** Meets ABYC/USCG insulation standards for worry-free installation
- • **Marine-Grade Seal:** Durable sealed cover shields fuses from saltwater and harsh elements
- • **Compact & Convenient:** Slim DIN rail mount design fits perfectly in tight marine spaces
- • **Powerhouse Protection:** Handles up to 300 amps for robust marine electrical systems

## Overview

The Blue Sea Systems MEGA/AMG Safety Fuse Block is a high-performance, ignition-protected fuse block designed specifically for marine use. Rated for 300 amps and featuring a sealed cover, it safeguards your boat’s electrical system against harsh marine environments while meeting strict ABYC and USCG insulation standards. Its compact DIN rail mount design ensures easy installation aboard gasoline or diesel powered vessels.

## Description

Ignition protected for installation aboard gasoline or diesel powered boats Sealed cover protects fuses from the harsh marine environment.

Review: Good but too expensive
Review: Excelente portafusibles, buen tamaño y con protección

## Features

- Ignition protected for installation aboard gasoline or diesel powered boats
- Sealed cover protects fuses from the harsh marine environment
- Insulating cover satisfies ABYC/USCG insulation requirements

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004ZJ0WEQ |
| ASIN  | B004ZJ0WEQ |
| Brand | Blue Sea Systems |
| Colour | black |
| Connector Type | Screw |
| Country of Origin | USA |
| Country of Origin  | USA |
| Current Rating | 300 Amps |
| Customer Reviews | 4.8 4.8 out of 5 stars (141) |
| Date First Available  | 6 August 2012 |
| Global Trade Identification Number | 00632085077211 |
| Is Discontinued By Manufacturer  | No |
| Item Dimensions LxWxH  | 19.7 x 10.2 x 5.1 Centimeters |
| Item Weight | 68 g |
| Item Weight  | 68 g |
| Item model number | 7721 |
| Item model number  | 7721 |
| Manufacturer | Blue Sea Systems |
| Manufacturer  | Blue Sea Systems |
| Material | iron |
| Mounting Type | DIN Rail Mount |
| Number Of Contacts | 1 |
| Number Of Poles | 1 |
| Product Dimensions | 10.2W x 5.1H Centimeters |
| Product Dimensions  | 19.69 x 10.16 x 5.08 cm; 68.04 g |
| Specification Met | Abyc/Uscg Insulation Requirements |
| UPC | 632085077211 696582459314 995889633541 611104332241 012302849973 |
| Voltage | 32 Volts |

## Product Details

- **Connector Type:** Screw
- **Current Rating:** 300 Amps
- **Material:** iron
- **Mounting Type:** DIN Rail Mount
- **Number Of Contacts:** 1

## Images

![Blue Sea Systems MEGA/AMG Safety Fuse Block - Image 1](https://m.media-amazon.com/images/I/31lmg-jnctL.jpg)
![Blue Sea Systems MEGA/AMG Safety Fuse Block - Image 2](https://m.media-amazon.com/images/I/41OaAWy66QL.jpg)
![Blue Sea Systems MEGA/AMG Safety Fuse Block - Image 3](https://m.media-amazon.com/images/I/51jiE-v4FGL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***E on 19 March 2023*

Good but too expensive

### ⭐⭐⭐⭐⭐ Review
*by B***Z on 28 August 2025*

Excelente portafusibles, buen tamaño y con protección

### ⭐⭐⭐⭐⭐ Review
*by A***R on 4 November 2025*

Used for my 92 cummins. Worked perfect for replacing the terrible fusable link.

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**Shop now:** [https://www.desertcart.hk/products/297720263-blue-sea-systems-mega-amg-safety-fuse-block](https://www.desertcart.hk/products/297720263-blue-sea-systems-mega-amg-safety-fuse-block)

---

*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-03-04*