---
product_id: 119339989
title: "MersenA4BY Class L Fuse, 600VAC/300VDC, 200kA AC/100kA DC, 800 Ampere, 2-1/2\" Diameter x 8-5/8\" Length"
brand: "mersen"
price: "3040.80 DT"
currency: TND
in_stock: true
url: https://www.desertcart.tn/products/119339989-mersena4by-class-l-fuse-600vac-300vdc-200ka-ac-100ka-dc
store_origin: TN
region: Tunisia
---

# 200kA AC/100kA DC 2-1/2" x 8-5/8" 800 Ampere MersenA4BY Class L Fuse, 600VAC/300VDC, 200kA AC/100kA DC, 800 Ampere, 2-1/2" Diameter x 8-5/8" Length

**Brand:** mersen
**Price:** 3040.80 DT
**Availability:** ✅ In Stock

## Summary

> ⚡ Power Up Your Safety with Mersen!

## Quick Answers

- **What is this?** MersenA4BY Class L Fuse, 600VAC/300VDC, 200kA AC/100kA DC, 800 Ampere, 2-1/2" Diameter x 8-5/8" Length by mersen
- **How much does it cost?** 3040.80 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/119339989-mersena4by-class-l-fuse-600vac-300vdc-200ka-ac-100ka-dc)

## Best For

- mersen enthusiasts

## Why This Product

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

## Key Features

- • **Precision Fit:** Unique dimensions prevent accidental replacements.
- • **Durable Design:** Glass melamine body and plated terminals for harsh environments.
- • **Unmatched Safety:** High interrupting rating ensures maximum protection.
- • **Consistent Performance:** Uniform characteristics across all ampere ratings.
- • **Permanent Identification:** Blade stamped catalog numbers for easy reference.

## Overview

The Mersen A4BY Class L Fuse is engineered for high performance, featuring a robust interrupting rating of 200kA AC and 100kA DC, making it ideal for demanding electrical applications. With a reliable glass melamine body and precision dimensions, this fuse ensures safety and compatibility in any environment.

## Description

MersenA4BY Class L Fuse, 600VAC/300VDC, 200kA AC/100kA DC, 800 Ampere, 2-1/2" Diameter x 8-5/8" Length

## Features

- Count on the high interrupting rating
- Unique dimensions prevent replacement by other fuse classes
- Blade stamped catalog numbers for permanent identification
- Glass melamine body and plated terminals provide superior reliability in harsh environments
- Uniform characteristics in all ampere ratings

## Product Details

- **AC Adapter Current:** 800 Amps
- **Brand:** Mersen
- **Voltage:** 600 Volts
- **Item dimensions L x W x H:** 9 x 3 x 3 inches
- **Material:** Copper

## Images

![MersenA4BY Class L Fuse, 600VAC/300VDC, 200kA AC/100kA DC, 800 Ampere, 2-1/2" Diameter x 8-5/8" Length - Image 1](https://m.media-amazon.com/images/I/61m2AmG1iRL.jpg)
![MersenA4BY Class L Fuse, 600VAC/300VDC, 200kA AC/100kA DC, 800 Ampere, 2-1/2" Diameter x 8-5/8" Length - Image 2](https://m.media-amazon.com/images/I/61l7RxrEJvL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Frequently Bought Together

- Mersen A4BY Class L Fuse, 600VAC/300VDC, 200kA AC/100kA DC, 800 Ampere, 2-1/2" Diameter x 8-5/8" Length
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**Shop now:** [https://www.desertcart.tn/products/119339989-mersena4by-class-l-fuse-600vac-300vdc-200ka-ac-100ka-dc](https://www.desertcart.tn/products/119339989-mersena4by-class-l-fuse-600vac-300vdc-200ka-ac-100ka-dc)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-08-25*