---
product_id: 16621103
title: "5121 FUSE A3T (CLASS T) 400 Amp"
brand: "blue sea systems"
price: "€ 115.43"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/16621103-5121-fuse-a3t-class-t-400-amp
store_origin: HR
region: Croatia
---

# 400 Amp Power Made in Mexico Fast Response 5121 FUSE A3T (CLASS T) 400 Amp

**Brand:** blue sea systems
**Price:** € 115.43
**Availability:** ✅ In Stock

## Summary

> ⚡ Power Up Your Safety Game!

## Quick Answers

- **What is this?** 5121 FUSE A3T (CLASS T) 400 Amp by blue sea systems
- **How much does it cost?** € 115.43 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/16621103-5121-fuse-a3t-class-t-400-amp)

## 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

- • **Class T Excellence:** Designed for superior performance in demanding environments.
- • **Unmatched Protection:** Experience lightning-fast short-circuit response to safeguard your systems.
- • **High Interrupt Capacity:** Handles up to 20,000 Amps, ensuring your equipment stays safe under pressure.
- • **Reliability You Can Trust:** Manufactured in Mexico, ensuring quality and durability.
- • **Essential for Professionals:** A must-have for any serious manager looking to optimize safety.

## Overview

The Blue Sea Systems 5121 FUSE A3T (CLASS T) 400 Amp is a high-performance fuse designed for rapid short-circuit response and exceptional interrupt capacity, making it an essential component for professionals seeking reliability and safety in their electrical systems.

## Description

Blue Sea Systems 5121 FUSE A3T (CLASS T) 400 Amp

## Features

- About this item
- Class T Fuse - 400 Amp     Extremely Fast Short-Circuit Response     20,000 Ampere Interrupt Capacity (Aic)     Country Of Origin: Mexico

## Images

![5121 FUSE A3T (CLASS T) 400 Amp - Image 1](https://m.media-amazon.com/images/I/71MMZ0hoq1L.jpg)

## Available Options

This product comes in different **Pattern Name, Style** options.

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**Shop now:** [https://www.desertcart.hr/products/16621103-5121-fuse-a3t-class-t-400-amp](https://www.desertcart.hr/products/16621103-5121-fuse-a3t-class-t-400-amp)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-02-20*