Mersen GGM5-B - 250V,Fast Acting Glass 5mm x 20mm 250 Volts 5 Amps GGM (bulk packaging) series.
Mersen

GGM5-B

Alternate Item Number: 782001405489

UPC: 782001405489

Contact for Pricing

Overview

The Mersen GGM5-B is a 5x20mm fast-acting glass fuse rated for 250V AC and 5A current, designed for reliable overcurrent protection in industrial and electronic applications. Part of Mersen's GGM series, this fuse features a durable glass body for visual inspection of the fuse element and robust environmental protection. The fast-acting design ensures rapid response to overcurrent conditions, minimizing downtime and equipment damage in sensitive circuits. Key specifications include a 250V AC voltage rating, 5A current rating, and bulk packaging for high-volume manufacturing and assembly operations. The 5x20mm form factor is a standard size in electronic devices and industrial control systems, making it compatible with a wide range of power supply circuits and general-purpose protection needs. The GGM5-B meets stringent industry standards, including UL and CSA certifications, ensuring consistent and dependable performance. Applications span power supplies for electronic equipment, industrial control panels, automation systems, test and measurement instrumentation, consumer electronics, telecommunications equipment, and lighting control systems. Mersen, a globally recognized leader in electrical protection, delivers proven reliability with this fuse, offering OEMs and industrial users a cost-effective solution for production lines.
  • 5x20mm fast-acting glass fuse for 250V AC circuits
  • 5A current rating with UL and CSA certifications
  • Glass body allows visual inspection of fuse element
  • Bulk packaging for high-volume manufacturing
  • Compatible with industrial control panels and power supplies

Specifications

Amperage Rating
5 A
Application
Electronic circuits
Brand Name
Ferraz Shawmut
Connection
Ferrule
Current Rating
5 A
Interrupt Rating
10 kA
Material
Glass
Mounting
Clip
Series
GGM
Size
5mm x 20mm
Special Features
Glass Body, Fast Acting
Standard
UL/CSA Std. 248-14 1/16A - 3A, 250VAC, UL Listed, CSA certified, 4A - 8A, 125VAC, UL Listed, CSA certified, 10A & 15A, 250VAC, UL Recognized RoHS Compliant
Type
5 X 20 mm miniature fuses
Voltage Rating
125 VAC
Voltage Rating
250 VAC
Package Dimensions (L x W x H)
0.787 IN x 0.2 IN x 0.2 IN
Package Dimensions (L x W x H)
19.9898 mm x 5.08 mm x 5.08 mm
Package Weight (Imperial)
0.010 L
Package Weight (Metric)
0.005 kg
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POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.

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POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.
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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.