Mersen GSC-V1 - Miniature fuse GSC-V - Time-Delay 250VAC 1A Size 5x20 Soldered connection
Mersen

GSC-V1

Alternate Item Number: GSC-V1

UPC: 782001765972

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Minimum Qty: 10

Multiplier: 10

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Overview

The Mersen GSC-V1 miniature fuse is a high-performance, time-delay fuse designed for precision protection in industrial and electronic applications. Engineered to meet the demands of modern electrical systems, this 5x20mm fuse provides reliable overcurrent protection at 250VAC and 1A, making it an ideal choice for sensitive equipment where transient surges must be tolerated without nuisance tripping. The time-delay characteristic ensures that brief overloads—common in motor startups, capacitive loads, or inductive circuits—do not trigger unnecessary interruptions, preserving operational continuity while safeguarding critical components. Mersen, a global leader in electrical protection and thermal management solutions, has designed the GSC-V1 with a robust glass/ceramic body and axial leads for secure soldered connections. This construction delivers exceptional mechanical strength and thermal stability, ensuring consistent performance in harsh environments. The fuse’s compact 5x20mm form factor makes it suitable for space-constrained applications, including power supplies, control panels, instrumentation, and telecommunications equipment. Whether deployed in industrial automation, renewable energy systems, or consumer electronics, the GSC-V1 delivers dependable protection against short circuits and sustained overloads. Selecting the right fuse involves balancing response time, voltage rating, and current capacity with the specific requirements of your application. The time-delay feature of the GSC-V1 is particularly valuable in circuits with inrush currents, such as those found in transformers, solenoids, or motor-driven systems, where immediate interruption could disrupt operations. Mersen’s reputation for engineering excellence—rooted in over a century of innovation—ensures that the GSC-V1 meets rigorous international standards for safety and reliability. This fuse is UL recognized and designed to comply with IEC 60127-2, providing peace of mind in critical applications. Installation is straightforward, thanks to the 1-1/2" axial leads, which facilitate easy soldering into printed circuit boards or terminal blocks. The fuse’s soldered connection ensures low contact resistance and long-term stability, reducing the risk of intermittent failures. For professionals specifying fuses, the GSC-V1 offers a cost-effective solution without compromising on performance. Its compatibility with standard fuse holders and clips further enhances its versatility, allowing seamless integration into existing systems. In industries where equipment uptime is paramount—such as aerospace, medical devices, or data centers—the Mersen GSC-V1 miniature fuse stands out as a trusted component. By choosing a fuse from a manufacturer with a legacy of innovation and a commitment to quality, engineers and technicians can ensure their systems operate safely, efficiently, and reliably under all conditions. Whether you’re protecting a power supply in a factory automation line or safeguarding a control circuit in a renewable energy installation, the GSC-V1 delivers the performance and durability you expect from a market leader.
  • 250VAC voltage rating for high-performance protection
  • 1A current rating with time-delay to handle transient surges
  • 5x20mm compact design for space-constrained applications
  • Soldered axial leads for secure, low-resistance connections
  • UL recognized and IEC 60127-2 compliant for global standards

Specifications

AC Voltage Rating
250 V
Amperage Rating
1 A
Application
Electronic circuits
Brand Name
Mersen
Case
Glass / Ceramic
Class
Supplemental
Connection
Soldered connection
Connection Type
Soldered
Current Rating
1A
Material
Glass/Ceramic
Mounting
Surface
Series
GSC-V
Size
3.83 x 0.2 in
Size
97.282 x 5.08 mm
Size
5x20mm
Special Features
Glass / ceramic body Time-delay 5 mm x 20 mm 1-1/2" Axial leads
Standard
1/10A through 3A, 250VAC, UL Listed and CSA Certified 4A through 8A, 125VAC, UL Listed and CSA Certified 10A, 125VAC, UL and CSA Recognized
Type
5x20mm
Voltage Rating
250 VAC
Package Dimensions (L x W x H)
3.83 in x 0.2 in x 0.2 in
Package Dimensions (L x W x H)
97.282 mm x 5.08 mm x 5.08 mm
Package Weight (Imperial)
0.010 lb
Package Weight (Metric)
0.005 kg
Miniature fuse GGM-V - Fast-Acting 250VAC 1A Size 5x20 Soldered connection

GGM-V1

Miniature fuse GGM-V - Fast-Acting 250VAC 1A Size 5x20 Soldered connection
SLO-BLO GLASS AXIAL V-PACK 1A. 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.

0313001.VXIDP

SLO-BLO GLASS AXIAL V-PACK 1A. 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.