Mersen GSF-V4 - Miniature fuse GSF-V - Time-Delay 250VAC 4A Size 5x20 Soldered connection
Mersen

GSF-V4

Alternate Item Number: GSF-V4

UPC: 782001245269

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Multiplier: 10

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Overview

The Mersen GSF-V4 Miniature Fuse is a critical component for safeguarding sensitive electronic equipment and circuits from overcurrent and short-circuit conditions. Engineered for reliability and performance, this time-delay fuse offers robust protection in a compact 5x20mm form factor. Its ceramic body construction ensures excellent dielectric strength and thermal stability, making it suitable for demanding industrial and commercial applications. The soldered connection provides a secure and permanent electrical interface, simplifying installation and ensuring long-term operational integrity. Designed with a time-delay characteristic, the GSF-V4 is ideal for circuits that experience temporary inrush currents during startup, such as those found in motor controls, power supplies, and lighting systems. This time-delay functionality prevents nuisance tripping, allowing equipment to operate normally while still providing essential protection against sustained overloads and damaging short circuits. The 250VAC voltage rating and 4A current rating make it a versatile choice for a wide range of low-voltage applications. Mersen is a globally recognized leader in electrical protection and power management solutions, renowned for its commitment to quality and innovation. The GSF-V4 fuse benefits from Mersen's extensive expertise in fuse technology, ensuring that it meets stringent industry standards and delivers dependable protection. Professionals rely on Mersen fuses for their consistent performance and durability, making the GSF-V4 a trusted choice for critical circuit protection. Key features and benefits of the Mersen GSF-V4 Miniature Fuse include: * **Time-Delay Operation:** Effectively handles inrush currents without nuisance tripping, crucial for motor-driven equipment and power supplies. * **Robust Ceramic Construction:** Provides superior dielectric strength, thermal resistance, and mechanical integrity for reliable operation in harsh environments. * **Compact 5x20mm Size:** Offers a space-saving solution for densely populated electronic assemblies and control panels. * **250VAC Voltage Rating:** Suitable for a broad spectrum of low-voltage AC applications. * **4A Current Rating:** Provides precise overcurrent protection for circuits with moderate current demands. * **Soldered Connection:** Ensures a secure, permanent, and low-resistance electrical connection, simplifying installation and enhancing reliability. * **Mersen Quality:** Manufactured by a trusted industry leader with a long-standing reputation for excellence in electrical safety components. When selecting miniature fuses, engineers and technicians consider factors such as voltage rating, current rating, interrupting rating, time-current characteristics, and physical dimensions. The Mersen GSF-V4 excels in providing a balanced combination of these critical parameters for many common applications. Its reliable performance contributes to the longevity of connected equipment, reduces downtime, and enhances overall system safety. Whether used in industrial control panels, consumer electronics, or specialized test equipment, the GSF-V4 Miniature Fuse from Mersen stands as a testament to effective and dependable circuit protection.
  • Mersen GSF-V4 Miniature Fuse for reliable circuit protection.
  • Time-delay characteristic prevents nuisance tripping from inrush currents.
  • Durable ceramic body construction for high dielectric strength and thermal stability.
  • Compact 5x20mm size ideal for space-constrained applications.
  • 250VAC voltage rating and 4A current rating for versatile use.

Specifications

AC Voltage Rating
250 V
Amperage Rating
4 A
Application
Electronic circuits
Brand Name
Mersen
Case
Ceramic
Case Material
Ceramic
Class
Supplemental
Connection
Soldered connection
Connection Type
Soldered Connection
Current Rating
4A
Material
Ceramic
Mounting
Surface
Series
GSF-V
Size
3.83 x 0.2 in
Size
97.282 x 5.08 mm
Size
3.83 x 0.2;97.282 x 5.08 in;mm
Size
5x20mm
Special Features
Ceramic body Time-delay 5 mm x 20 mm 1-1/2" Axial leads
Standard
1/2A through 8/10A, 250VAC 1A through 6-3/10A, 250VAC, SEMKO, VDE Approved 1A through 10A, 250VAC, UL and CSA Recognized IEC-127-2 Standard Sheet 5
Type
5x20mm
Voltage Rating
250VAC
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

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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.