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Mersen GSD8/10 - Miniature fuse GSD - Fast-Acting 250VAC 0.8A Size 5x20 Ferrule
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Mersen GSD8/10 Miniature fuse GSD - Fast-Acting 250VAC 0.8A Size 5x20 Ferrule

Alternate Item Number: GSD8/10

UPC: 782001244590


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Line DrawingSpecification Sheet

Contact for Pricing

Minimum Qty: 5

Multiplier: 5

*Contact for lower quantities*

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The Mersen GSD8/10 is a fast-acting miniature fuse designed for precise circuit protection in industrial and commercial applications. This 250VAC-rated fuse features a ceramic body for superior thermal management and mechanical strength, ensuring reliable performance in demanding environments. With a 0.8A current rating, it provides sensitive protection for electronic components, power supplies, and control circuits. The 5x20mm ferrule size ensures broad compatibility with standard fuse holders and equipment. UL and CSA Recognized, the GSD8/10 meets IEC 127-2 Standard Sheet 1, offering fast fault current interruption to minimize downstream damage. Its compact design and high reliability make it ideal for telecommunications, industrial automation, and power distribution systems. Trust Mersen’s proven quality for dependable circuit protection in critical applications.
  • Fast-acting ceramic fuse for sensitive circuit protection
  • 250VAC voltage rating with 0.8A current rating
  • 5x20mm ferrule size for broad compatibility
  • UL and CSA Recognized, IEC 127-2 compliant
  • Ideal for telecommunications, automation, and power distribution

Specifications

AC Voltage Rating
250 V
Amperage Rating
0.8 A
Application
Electronic circuits
Brand Name
Mersen
Case
Ceramic
Case Material
Ceramic
Class
Supplemental
Connection
Ferrule
Connection Type
Ferrule
Current Rating
0.8 A
Material
Ceramic
Mounting
Clip
Series
GSD
Size
0.79 x 0.2;20.066 x 5.08 in;mm
Size
0.79 x 0.2 in
Size
20.066 x 5.08 mm
Size
5x20mm
Special Features
Ceramic body Fast-acting 5 mm x 20 mm
Standard
4/10A through 10A, 250VAC, UL & CSA Recognized 1A through 6-3/10A, 250 VAC, SEMKO Approved 1A through 6-3/10A, 250 VAC, VDE Approved IEC 127-2 Standard Sheet 1
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 GSF - Time-Delay 250VAC 0.8A Size 5x20 Ferrule

GSF8/10

Miniature fuse GSF - Time-Delay 250VAC 0.8A Size 5x20 Ferrule
FUSE 250V FA 3AB PB-FREE H-PACK 1.25A. 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.

H3321.25P

FUSE 250V FA 3AB PB-FREE H-PACK 1.25A. 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.
Miniature fuse GSD - Fast-Acting 250VAC 1A Size 5x20 Ferrule

GSD1

Miniature fuse GSD - Fast-Acting 250VAC 1A Size 5x20 Ferrule
Miniature fuse GSD - Fast-Acting 250VAC 0.63A Size 5x20 Ferrule

GSD630/1000

Miniature fuse GSD - Fast-Acting 250VAC 0.63A Size 5x20 Ferrule
Miniature fuse GSD - Fast-Acting 250VAC 1.25A Size 5x20 Ferrule

GSD1-1/4

Miniature fuse GSD - Fast-Acting 250VAC 1.25A Size 5x20 Ferrule
Miniature fuse GSF - Time-Delay 250VAC 0.63A Size 5x20 Ferrule

GSF630/1000

Miniature fuse GSF - Time-Delay 250VAC 0.63A Size 5x20 Ferrule
Miniature fuse GSF - Time-Delay 250VAC 0.4A Size 5x20 Ferrule

GSF4/10

Miniature fuse GSF - Time-Delay 250VAC 0.4A Size 5x20 Ferrule
Miniature fuse GSF - Time-Delay 250VAC 0.5A Size 5x20 Ferrule

GSF1/2

Miniature fuse GSF - Time-Delay 250VAC 0.5A Size 5x20 Ferrule

Frequently Asked Questions

What voltage ratings are available for the GSD/GSD-V fuses?

The GSD/GSD-V fuses are available with a voltage rating of 250 VAC.

What are the physical dimensions of the GSD/GSD-V fuses?

The GSD/GSD-V fuses have a ceramic body and are 5 mm x 20 mm in size.

What is the interrupting rating (I.R.) for these fuses?

The interrupting rating for these fuses is 1, which is 250VAC @ 1500A I.R.

What IEC standard do these fuses comply with?

These fuses comply with IEC 127-2 Standard Sheet 1.

What types of fuses are the GSD/GSD-V series?

The GSD/GSD-V series are electronic/glass fuses, specifically midjet, PCM mount, and miniature fuses.

Which GSD/GSD-V fuses are UL & CSA Recognized?

The 4/10A through 10A, 250VAC GSD/GSD-V fuses are UL & CSA Recognized.

Are there SEMKO Approved GSD/GSD-V fuses available?

Yes, GSD/GSD-V fuses rated from 1A through 6-3/10A at 250 VAC are SEMKO Approved.

Which GSD/GSD-V fuses are VDE Approved?

GSD/GSD-V fuses with ratings from 1A through 6-3/10A at 250 VAC are VDE Approved.

What are the available ampere ratings for GSD/GSD-V fuses?

Ampere ratings range from 1/2A up to 10A, including fractional and decimal values like 4/10A, 6-3/10A, and 8/10A.

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.