---
product_id: 142627021
title: "20A (20 Amp) GMA Glass Fuses, 5x20mm (0.20 x 0.79inches), 250V Fast-Blow, Fast Acting Fuses for Electronics, Appliances, and Circuit Protection, 5 Pack"
brand: "techman"
price: "$13.08"
currency: USD
in_stock: true
reviews_count: 9
category: "Techman"
url: https://www.desertcart.us/products/142627021-20a-20-amp-gma-glass-fuses-5x20mm-0-20-x
store_origin: US
region: United States of America
---

# 20A high current rating 250V voltage capacity Fast-blow, instant response 20A (20 Amp) GMA Glass Fuses, 5x20mm (0.20 x 0.79inches), 250V Fast-Blow, Fast Acting Fuses for Electronics, Appliances, and Circuit Protection, 5 Pack

**Brand:** techman
**Price:** $13.08
**Availability:** ✅ In Stock

## Summary

> ⚡ Don’t let a fuse blow your vibe—stay powered, protected, and ahead of the curve!

## Quick Answers

- **What is this?** 20A (20 Amp) GMA Glass Fuses, 5x20mm (0.20 x 0.79inches), 250V Fast-Blow, Fast Acting Fuses for Electronics, Appliances, and Circuit Protection, 5 Pack by techman
- **How much does it cost?** $13.08 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/142627021-20a-20-amp-gma-glass-fuses-5x20mm-0-20-x)

## Best For

- techman enthusiasts

## Why This Product

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

## Key Features

- • **Bulk Backup:** 5-pack supply means you’re always ready for quick replacements and long-term maintenance
- • **Durable Build:** Glass body with sturdy metal caps guarantees reliable performance and easy installation
- • **Universal Fit:** Standard 5x20mm size fits a wide range of electronics and appliances effortlessly
- • **Rapid Response Safety:** Fast-blow design instantly cuts off overcurrent to protect sensitive circuits
- • **Power-Packed Protection:** 20 Amp rating ensures your devices stay safe under heavy loads

## Overview

This 5-pack of 20A GMA glass fuses features a fast-acting, fast-blow design rated for 250V, delivering instant overcurrent protection for electronics and appliances. With a universal 5x20mm size and durable glass-metal construction, these fuses offer reliable, easy-to-install circuit safety solutions for professionals and DIYers alike.

## Description

Buy 20A (20 Amp) GMA Glass Fuses, 5x20mm (0.20 x 0.79inches), 250V Fast-Blow, Fast Acting Fuses for Electronics, Appliances, and Circuit Protection, 5 Pack: Cartridge Fuses - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: They worked for me - Had a blown tester fuse & these worked like a charm 👍
Review: fuses2 - perfect!

## Features

- Included: Five 20A (20 Amp) GMA Glass Fuses, 250V Fast-Blow, Fast Acting Fuses for multiple replacements and long-term maintenance.
- Instant response to overcurrent conditions, protecting sensitive electronics and appliances.
- Made with glass and sturdy metal caps for reliable performance and easy installation.
- Standard 5x20mm (0.20 x 0.79inches), approximately 3/16" x 3/4" dimensions for universal compatibility with a wide variety of devices.
- Designed to handle 250V for safe and consistent performance.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| AC Adapter Current | 20 Amps |
| ASIN | B074JYB7V9 |
| Best Sellers Rank | #33,722 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #33 in Cartridge Fuses |
| Brand | Techman |
| Current Rating | 20 Amps |
| Date First Available | August 4, 2017 |
| Item Weight | 3.2 ounces |
| Item model number | F20AL250V |
| Manufacturer | Techman |
| Material | Glass |
| Mounting Type | Surface Mount |
| Package Dimensions | 4 x 3 x 0.2 inches |
| Specification Met | Gma |
| UPC | 613003147445 |
| Unit Count | 5 Count |
| Voltage | 250 Volts |

## Product Details

- **AC Adapter Current:** 20 Amps
- **Brand:** Techman
- **Material:** Glass
- **Specification Met:** Gma
- **Voltage:** 250 Volts

## Images

![20A (20 Amp) GMA Glass Fuses, 5x20mm (0.20 x 0.79inches), 250V Fast-Blow, Fast Acting Fuses for Electronics, Appliances, and Circuit Protection, 5 Pack - Image 1](https://m.media-amazon.com/images/I/31BPrtHdSEL.jpg)
![20A (20 Amp) GMA Glass Fuses, 5x20mm (0.20 x 0.79inches), 250V Fast-Blow, Fast Acting Fuses for Electronics, Appliances, and Circuit Protection, 5 Pack - Image 2](https://m.media-amazon.com/images/I/41aqpfdASWL.jpg)
![20A (20 Amp) GMA Glass Fuses, 5x20mm (0.20 x 0.79inches), 250V Fast-Blow, Fast Acting Fuses for Electronics, Appliances, and Circuit Protection, 5 Pack - Image 3](https://m.media-amazon.com/images/I/41hhqFe9S0L.jpg)
![20A (20 Amp) GMA Glass Fuses, 5x20mm (0.20 x 0.79inches), 250V Fast-Blow, Fast Acting Fuses for Electronics, Appliances, and Circuit Protection, 5 Pack - Image 4](https://m.media-amazon.com/images/I/41p2-fsezbL.jpg)
![20A (20 Amp) GMA Glass Fuses, 5x20mm (0.20 x 0.79inches), 250V Fast-Blow, Fast Acting Fuses for Electronics, Appliances, and Circuit Protection, 5 Pack - Image 5](https://m.media-amazon.com/images/I/41smRsvCPxL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ They worked for me
*by M***S on August 26, 2025*

Had a blown tester fuse & these worked like a charm 👍

### ⭐⭐⭐⭐⭐ fuses2
*by A***R on September 28, 2025*

perfect!

### ⭐⭐⭐⭐⭐ You guys did it again keep it going
*by F***Z on January 22, 2026*

I just wanted to say I’m glad that Amazon covers a lot of things because these are important for my meter that I use when I work on cars and they had the best deal

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**Shop now:** [https://www.desertcart.us/products/142627021-20a-20-amp-gma-glass-fuses-5x20mm-0-20-x](https://www.desertcart.us/products/142627021-20a-20-amp-gma-glass-fuses-5x20mm-0-20-x)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-09*