Mersen GSB-V8/10 - Miniature fuse GSB-V - Fast-Acting 250VAC 0.8A Size 5x20 Soldered connection
Mersen

GSB-V8/10

Alternate Item Number: GSB-V8/10

UPC: 782001780104

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Minimum Qty: 10

Multiplier: 10

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Overview

The Mersen GSB-V8/10 miniature fast-acting fuse is a precision-engineered protective component designed for low-voltage AC circuits requiring rapid response to overcurrent conditions. Part of Mersen’s renowned GSB-V series, this 5x20mm glass fuse combines high reliability with compact form factor, making it ideal for space-constrained industrial, commercial, and consumer electronic applications. Rated at 250VAC and 0.8A, the GSB-V8/10 provides critical circuit protection where fast-acting response is essential to prevent damage to sensitive components such as transformers, power supplies, and control boards. Engineered with axial leads and soldered connections, the GSB-V8/10 ensures secure electrical contact and mechanical stability in high-vibration environments common in automotive, aerospace, and industrial automation systems. The fast-acting characteristic of this fuse—achieved through optimized fuse element design—enables it to interrupt fault currents within milliseconds, safeguarding downstream electronics from transient surges or sustained overloads. This makes it particularly suitable for applications where even brief overcurrent events could result in costly downtime or equipment failure. Typical applications for the Mersen GSB-V8/10 include power distribution units, motor controllers, lighting systems, and instrumentation panels across multiple industries. In telecommunications infrastructure, these fuses protect sensitive network interfaces from voltage spikes, while in medical equipment, they ensure compliance with stringent safety standards by isolating faults before they escalate. The 5x20mm form factor is a global industry standard, ensuring compatibility with a vast ecosystem of fuse holders, clips, and panels, reducing design complexity and procurement challenges. Mersen, a global leader in electrical protection and thermal management solutions, brings decades of expertise to the GSB-V8/10. Known for rigorous quality control and adherence to international standards such as IEC 60127, Mersen’s fuses are trusted by engineers in mission-critical applications where failure is not an option. The company’s commitment to innovation is reflected in the consistent performance of its miniature fuses under extreme environmental conditions, including high humidity, temperature fluctuations, and mechanical stress. Installation of the GSB-V8/10 is straightforward, with axial leads designed for soldering into PCBs or insertion into fuse holders. Professionals should ensure proper clearance and orientation to maintain optimal thermal dissipation and prevent solder bridging. When selecting a fuse for a specific application, engineers should consider not only the rated current and voltage but also the ambient operating temperature, inrush current characteristics, and regulatory requirements. The GSB-V8/10’s fast-acting nature makes it particularly effective in circuits with inductive loads, where current surges are common during startup or switching events. For procurement teams, the GSB-V8/10 offers a cost-effective solution without compromising on performance. Its availability in bulk packaging and compatibility with automated assembly processes further enhance its appeal in high-volume production environments. Whether deployed in a compact consumer device or a rugged industrial control system, the Mersen GSB-V8/10 delivers dependable protection, ensuring operational continuity and extending the lifespan of protected equipment. Trusted by OEMs and maintenance professionals worldwide, this miniature fuse stands as a testament to Mersen’s legacy of engineering excellence in electrical protection.
  • Fast-acting response for rapid overcurrent protection
  • 250VAC rated voltage with 0.8A current rating
  • 5x20mm glass body with axial soldered leads
  • Ideal for space-constrained industrial and commercial applications
  • Manufactured by Mersen, a leader in electrical protection solutions

Specifications

AC Voltage Rating
250 V
Amperage Rating
0.8 A
Application
Electronic circuits
Brand Name
Mersen
Case
Glass
Case Material
Glass
Class
Supplemental
Connection
Soldered connection
Connection Type
Soldered
Current Rating
0.8 A
Material
Glass
Mounting
Surface
Series
GSB-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
5x20 mm
Special Features
Glass body Fast-acting 5 mm x 20 mm 1-1/2" Axial leads
Standard
1/2A through 10A, 250VAC, UL and CSA Recognized 1/2A through 6-3/10A, 250VAC, SEMKO Approved 1/2A through 6-3/10A, 250VAC, VDE Approved IEC-127-2 Standard Sheet 2
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 GGC-V - Fast-Acting 250VAC 0.8A Size 6,3x32 Soldered connection

GGC-V8/10

Miniature fuse GGC-V - Fast-Acting 250VAC 0.8A Size 6,3x32 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.