Mersen GGM2-1/2 - Miniature fuse GGM - Fast-Acting 250VAC 2.5A Size 5x20 Ferrule
Mersen

GGM2-1/2

Alternate Item Number: GGM2-1/2

UPC: 782001762179

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Minimum Qty: 5

Multiplier: 5

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Overview

The Mersen GGM2-1/2 (SKU: GGM2-1/2) is a fast-acting miniature fuse designed for precise circuit protection in low-voltage applications. It features a durable glass body, allowing for visual inspection of the fusible element to verify integrity and performance. The fuse has a 5x20mm ferrule connection for secure mounting in panel boards, fuse holders, or other compatible assemblies. Rated for 250VAC and 2.5A, it provides reliable overcurrent protection for sensitive electronic equipment in industrial and commercial settings where rapid interruption of fault currents is essential to prevent damage. The GGM series fuses are UL Listed (File E18966) and CSA Certified (LR 108917), ensuring compliance with North American safety standards. Typical applications include power supplies, control circuits, instrumentation, telecommunication equipment, and other electronic devices requiring high-integrity protection. Its compact 5x20mm size and consistent performance make it a preferred choice for engineers and maintenance professionals seeking dependable electrical protection in compact or high-density installations. The fast-acting response time ensures quick clearing of overcurrents, minimizing risk to downstream components.
  • Fast-acting miniature fuse for rapid overcurrent interruption
  • Durable glass body for visual status indication
  • 5x20mm ferrule connection for secure mounting
  • Rated for 250VAC and 2.5A
  • UL Listed and CSA Certified for safety assurance

Specifications

AC Voltage Rating
250 V
Amperage Rating
2.5 A
Application
Electronic circuits
Brand Name
Mersen
Case
Glass
Class
Supplemental
Connection
Ferrule
Connection Type
Ferrule
Current Rating
2.5 A
Material
Glass
Mounting
Clip
Series
GGM
Size
0.79 x 0.2 in
Size
20.066 x 5.08 mm
Size
5x20 mm
Special Features
Glass body Fast-acting 5 mm x 20 mm
Standard
1/16A through 3A, 250VAC, UL Listed and CSA Certified 4A through 8A, 125VAC, UL Listed and CSA Certified 10A and 15A, 250VAC, UL Recognized
Type
5x20mm
Voltage Rating
250 VAC
Package Dimensions (L x W x H)
0.79 in x 0.2 in x 0.2 in
Package Dimensions (L x W x H)
20.066 mm x 5.08 mm x 5.08 mm
Package Weight (Imperial)
0.010 lb
Package Weight (Metric)
0.005 kg
Miniature fuse GSC - Time-Delay 250VAC 2.5A Size 5x20 Ferrule

GSC2-1/2

Miniature fuse GSC - Time-Delay 250VAC 2.5A Size 5x20 Ferrule
SLO-BLO GLASS INDICA H-PACK 3A. The 3AG Slo-Blo® fuse solves a broad range of application requirements while offering reliable performance and costeffective circuit protection. Features: 313 and 315 series fuses have time-delayed in the overload range, which provides superior protection inductive loads such as motors, transformers, and solenoids. 3AG indicating fuses instantly identify themselves upon opening by showing a discoloration of their glass bodies. Guesswork and time-consuming circuit testing is eliminated. This unique design offers the same quality performance characteristics as the standard 3AG fuse design.

0313003.HXIDP

SLO-BLO GLASS INDICA H-PACK 3A. The 3AG Slo-Blo® fuse solves a broad range of application requirements while offering reliable performance and costeffective circuit protection. Features: 313 and 315 series fuses have time-delayed in the overload range, which provides superior protection inductive loads such as motors, transformers, and solenoids. 3AG indicating fuses instantly identify themselves upon opening by showing a discoloration of their glass bodies. Guesswork and time-consuming circuit testing is eliminated. This unique design offers the same quality performance characteristics as the standard 3AG fuse design.

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.