Mersen GAB20 - Miniature fuse GAB - Fast-Acting 250VAC 20A Size 6,3x32 Ferrule
Mersen

GAB20

Alternate Item Number: GAB20

UPC: 782001224165


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Overview

The Mersen GAB20 is a fast-acting miniature fuse engineered for dependable circuit protection across a spectrum of industrial and commercial applications. This specific fuse, the GAB20, is constructed with a robust ceramic body and features ferrule connections, adhering to the standard 6.3x32mm size. It is precisely rated for 250 VAC and a current of 20A. Demonstrating its protective capabilities, the GAB20 offers a significant breaking capacity of 400A at 250V and also at 125VAC, ensuring safety under fault conditions. The broader GAB series, to which the GAB20 belongs, is well-regarded for its unwavering performance and sturdy build. This makes the GAB20 an excellent choice for safeguarding critical components such as power supplies, motor controllers, and various control circuits. Adherence to stringent safety benchmarks is confirmed by its UL Listed and CSA Certified status, guaranteeing compliance with essential North American safety regulations. The GAB20's compact dimensions are particularly advantageous for designs where space is at a premium, yet the necessity for reliable fault interruption remains paramount. This product is identified by SKU GAB20 and falls under UNSPSC code 39121623. It is manufactured in the US.
  • Fast-acting miniature fuse for reliable circuit protection
  • Ceramic body construction for durability
  • 6.3x32mm size with ferrule connections
  • Rated for 250 VAC and 20A
  • 400A breaking capacity at 250V/125VAC
  • UL Listed and CSA Certified

Specifications

AC Voltage Rating
250 V
Amperage Rating
20 A
Application
Electronic circuits
Brand Name
Mersen
Case
Ceramic
Case Material
Ceramic
Class
Supplemental
Connection
Ferrule
Connection Type
Ferrule
Current Rating
20 A
Material
Ceramic
Mounting
Clip
Series
GAB
Size
1.25 x 0.25 in
Size
31.75 x 6.35 mm
Size
1.25 x 0.25;31.75 x 6.35 in;mm
Size
6.3x32 mm
Special Features
Ceramic body Fast-acting 1/4" x 1-1/4"
Standard
1/8A through 15A, 250VAC, UL Listed and CSA Certified 20A through 30A, 250/125VAC, UL Recognized
Type
6x32mm, 1/4" X 1-1/4"
Voltage Rating
250 VAC
Package Dimensions (L x W x H)
1.25 in x 0.25 in x 0.25 in
Package Dimensions (L x W x H)
31.75 mm x 6.35 mm x 6.35 mm
Package Weight (Imperial)
0.010 lb
Package Weight (Metric)
0.005 kg
Miniature fuse GSA - Time-Delay 250VAC 20A Size 6,3x32 Ferrule

GSA20

Miniature fuse GSA - Time-Delay 250VAC 20A Size 6,3x32 Ferrule
FUSE 250V FA 3AB PB-FREE M-PACK 5A. The 3AB Very Fast-Acting Fuse for protection of Silicon Controlled Rectifiers and similar solid-state devices. Features: Designed to meet UL248-14. RoHS Compliant and Lead-Free. Available in cartridge type only.

0332005.MXP

FUSE 250V FA 3AB PB-FREE M-PACK 5A. The 3AB Very Fast-Acting Fuse for protection of Silicon Controlled Rectifiers and similar solid-state devices. Features: Designed to meet UL248-14. RoHS Compliant and Lead-Free. Available in cartridge type only.

Frequently Asked Questions about Mersen

What industries and applications are Mersen products used for?

Mersen products are used across diverse industrial sectors including solar power, electric vehicles, buildings/construction, industrial automation, power distribution, HVAC, elevators, telecommunications, and specialty manufacturing. Key application areas include circuit protection, surge protection, battery module protection, electrical safety systems, and power management for residential, commercial, and utility-scale installations.

What are the main product lines offered by Mersen?

Mersen offers five primary electrical power product lines: IEC and UL/CSA Fuses and Fusegear, Surge Protection, Low Voltage Disconnect Switches, Power Distribution Blocks, and Engineered Solutions. Their comprehensive range includes specialized components like high-speed fuses, modular fuse holders, surge arresters, and custom-engineered electrical protection systems for industrial and power management applications.

What are the key features of Mersen products?

Mersen products feature advanced electrical protection and power management solutions with key characteristics including finger-safe design, compact modularity, and high-performance safety features. Their product lines span electrical power components like fuses, surge protection, power distribution blocks, and specialized solutions for industrial, solar, and building applications. Critical features include UL/CSA approvals, high short-circuit current ratings, and innovative technologies like the Fuse Control™ program that minimize electrical risks and optimize system performance.

What environmental ratings do Mersen products have?

Mersen products meet rigorous environmental ratings across multiple standards, including UL 508A Type 1, 2, 3, 4, 4X, 12, and 13, CSA Type 1, 2, 3, 4, 4X, 12, and 13, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13. They feature IEC 60529 IP66 protection, with enhanced UV inhibitors for outdoor weathering and operating temperatures ranging from -40°C to 130°C (-40°F to 266°F). These ratings ensure superior protection in wet, corrosive, and challenging industrial environments.

What accessories are available for Mersen products?

Mersen offers multiple accessories for their fuse blocks and systems, including safety pullers (DFC3M and DFC3LP), DIN-rail adapters (DRM), bus bars, auxiliary contacts, and specialized mounting hardware. Key accessories include the DFC3M safety puller for 1-1/2" x 13/32" midget or Class CC fuses, the DRM adapter for mounting 303 series fuse blocks on DIN-rail, and UltraSafe fuse module accessories like bus bars and auxiliary contacts that enable module interconnection and monitoring.

How are Mersen products typically installed?

Mersen products are typically installed in electrical distribution systems, control panels, and industrial automation environments using multiple mounting options. These include service entrance panel mounting, distribution panel installation, control panel DIN rail mounting, and custom engineered solutions like Fused Coordination Panelboards. Installation depends on the specific product type, such as fuses, surge protective devices, or switches, and is designed to provide electrical protection and circuit safety in various industrial and commercial applications.

What certifications and standards do Mersen products comply with?

Mersen products are certified to multiple international standards, including UL (Underwriters Laboratories), CSA (Canadian Standards Association), CCC (China Compulsory Certification), and EAC (Eurasian Conformity). Our products meet rigorous safety and performance standards for industrial applications across North America, China, Russia, and other global markets, ensuring compliance and reliability in electrical power and advanced materials solutions.

What technical support does Mersen offer?

Mersen provides comprehensive technical support through multiple channels, including technical experts located in your time zone who can assist with product selection, application guidance, and troubleshooting. Their Fuse Control™ program offers a free Fuse Inventory Audit & Analysis, and customers can access technical resources through their sales representatives and online platform ep.mersen.com.