Mersen GGA-V1-1/4 - Miniature fuse GGA-V - Time-Delay 250VAC 1.25A Size 5x20 Soldered connection
Mersen

GGA-V1-1/4

Alternate Item Number: GGA-V1-1/4

UPC: 782001764562

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Minimum Qty: 10

Multiplier: 10

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Overview

The Mersen GGA-V1-1/4 miniature fuse is a high-performance, time-delay fuse designed for precision protection in industrial and commercial applications. Part of Mersen's renowned GGA-V series, this 5x20mm glass fuse combines robust construction with reliable performance, making it an ideal choice for sensitive electronic circuits where transient surges are common. With a rated voltage of 250VAC and a current rating of 1.25A, the GGA-V1-1/4 provides a critical balance between fast-acting response and time-delay characteristics, ensuring optimal protection against overloads and short circuits without nuisance tripping. Engineered for versatility, the GGA-V1-1/4 features axial leads designed for soldered connections, offering a secure and permanent installation in printed circuit boards (PCBs) and control panels. The time-delay design allows it to withstand brief inrush currents—such as those from motor starts or capacitor charging—while still providing protection during sustained overcurrent events. This makes it particularly suitable for applications in power supplies, instrumentation, telecommunications equipment, and industrial automation systems where reliability and uptime are paramount. Mersen, a global leader in electrical protection and thermal management solutions, has built a reputation for delivering high-quality fuses that meet stringent international standards. The GGA-V series, including the GGA-V1-1/4, is manufactured under rigorous quality controls and tested to ensure consistent performance in demanding environments. Whether deployed in harsh industrial settings or sensitive electronic systems, these fuses provide peace of mind with their glass body construction, which allows for visual inspection of the fuse element and clear indication of failure. Selecting the right fuse for your application involves more than just matching voltage and current ratings. Professionals must consider factors such as interrupting rating, ambient temperature, and mounting method. The GGA-V1-1/4’s 5x20mm size is a standard form factor in the electronics industry, ensuring compatibility with a wide range of fuse holders and panels. Its soldered connection design enhances mechanical stability and reduces the risk of poor contact, which can lead to overheating or intermittent failures. For engineers and technicians, this fuse represents a cost-effective solution that balances performance, reliability, and ease of integration. In industries such as renewable energy, automotive electronics, and medical devices, where equipment reliability is non-negotiable, the Mersen GGA-V1-1/4 miniature fuse delivers the protection and durability required to safeguard critical operations. By choosing Mersen, you’re not just selecting a fuse—you’re investing in a legacy of innovation and expertise that has made the brand a trusted partner for engineers worldwide. Whether you’re designing a new system or maintaining existing infrastructure, the GGA-V1-1/4 ensures your circuits remain protected against the unpredictable nature of electrical faults.
  • Rated 250VAC, 1.25A with time-delay characteristics for transient surge protection
  • 5x20mm glass body with axial leads for soldered connections
  • Designed for PCB and control panel installations in industrial and commercial applications
  • Time-delay design prevents nuisance tripping during inrush currents
  • Manufactured by Mersen, a leader in electrical protection solutions

Specifications

AC Voltage Rating
250 V
Amperage Rating
1.25 A
Application
Electronic circuits
Brand Name
Mersen
Case
Glass
Class
Supplemental
Connection
Soldered connection
Connection Type
Soldered Leads
Current Rating
1.25 A
Material
Glass
Mounting
Surface
Series
GGA-V
Size
3.83 x 0.2 in
Size
97.282 x 5.08 mm
Size
5x20 mm
Special Features
Glass body Time-delay 5 mm x 20 mm 1-1/2" Axial leads
Standard
1/10 through 3A, 250VAC, UL Listed and CSA Certified 4A and 5A, 125VAC, UL Listed and CSA Certified
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 1.25A Size 5x20 Soldered connection

GGM-V1-1/4

Miniature fuse GGM-V - Fast-Acting 250VAC 1.25A Size 5x20 Soldered connection
Miniature fuse GSC-V - Time-Delay 250VAC 1.25A Size 5x20 Soldered connection

GSC-V1-1/4

Miniature fuse GSC-V - Time-Delay 250VAC 1.25A Size 5x20 Soldered connection
Miniature fuse GGC-V - Fast-Acting 250VAC 1.25A Size 6,3x32 Soldered connection

GGC-V1-1/4

Miniature fuse GGC-V - Fast-Acting 250VAC 1.25A Size 6,3x32 Soldered connection
Miniature fuse GSB-V - Fast-Acting 250VAC 1.25A Size 5x20 Soldered connection

GSB-V1-1/4

Miniature fuse GSB-V - Fast-Acting 250VAC 1.25A Size 5x20 Soldered connection
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
Miniature fuse GGA-V - Time-Delay 250VAC 1A Size 5x20 Soldered connection

GGA-V1

Miniature fuse GGA-V - Time-Delay 250VAC 1A Size 5x20 Soldered connection
Miniature fuse GGC-V - Fast-Acting 250VAC 1A Size 6,3x32 Soldered connection

GGC-V1

Miniature fuse GGC-V - Fast-Acting 250VAC 1A Size 6,3x32 Soldered connection
Miniature fuse GGM-V - Fast-Acting 250VAC 1.5A Size 5x20 Soldered connection

GGM-V1-1/2

Miniature fuse GGM-V - Fast-Acting 250VAC 1.5A Size 5x20 Soldered connection
Miniature fuse GGC-V - Fast-Acting 250VAC 1.5A Size 6,3x32 Soldered connection

GGC-V1-1/2

Miniature fuse GGC-V - Fast-Acting 250VAC 1.5A Size 6,3x32 Soldered connection
Miniature fuse GGA-V - Time-Delay 250VAC 1.5A Size 5x20 Soldered connection

GGA-V1-1/2

Miniature fuse GGA-V - Time-Delay 250VAC 1.5A Size 5x20 Soldered connection
Miniature fuse GSB-V - Fast-Acting 250VAC 1A Size 5x20 Soldered connection

GSB-V1

Miniature fuse GSB-V - Fast-Acting 250VAC 1A Size 5x20 Soldered connection
Miniature fuse GSC-V - Time-Delay 250VAC 1.5A Size 5x20 Soldered connection

GSC-V1-1/2

Miniature fuse GSC-V - Time-Delay 250VAC 1.5A Size 5x20 Soldered connection

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.