Mersen GGC-V12 - Miniature fuse GGC-V - Fast-Acting 125VAC 12A Size 6,3x32 Soldered connection
Mersen

GGC-V12

Alternate Item Number: GGC-V12

UPC: 782001767112

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Minimum Qty: 10

Multiplier: 10

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Overview

The **Mersen GGC-V12 Miniature Fuse** is a high-performance, fast-acting protective device engineered for precision circuit protection in low-voltage applications. Designed with a **glass body** and **soldered axial leads**, this miniature fuse delivers reliable overcurrent interruption at **125VAC** with a **12A** rating, making it ideal for compact electronic systems where space and performance are critical. Manufactured by **Mersen**, a global leader in electrical protection solutions, the GGC-V12 combines decades of expertise in fuse technology with rigorous quality standards to ensure consistent, long-term reliability in demanding environments. **Key Features & Technical Specifications** The GGC-V12 is a **fast-acting fuse**, meaning it responds rapidly to fault conditions to prevent damage to sensitive components such as semiconductors, capacitors, and microprocessors. Its **6.3x32mm** dimensions make it compatible with standard fuse holders and PCB-mounted applications, while the **soldered connection** ensures secure, low-resistance terminations that minimize voltage drop and heat generation. Unlike slow-blow fuses, the fast-acting design of the GGC-V12 is optimized for circuits where even brief overcurrent events could lead to catastrophic failure, such as in power supplies, motor drives, or communication equipment. **Typical Applications & Industry Use Cases** This miniature fuse is widely deployed across multiple industries, including **consumer electronics, industrial automation, telecommunications, and automotive systems**. In **power supply units (PSUs)**, the GGC-V12 protects transformers and rectifiers from short circuits or overloads, while in **motor control circuits**, it safeguards against stall conditions or locked-rotor faults. Telecommunications equipment, such as routers and switches, relies on fast-acting fuses like the GGC-V12 to protect against transient surges and sustained overcurrents that could disrupt network operations. Additionally, the fuse is commonly used in **medical devices, LED lighting systems, and battery-powered equipment**, where compact size and precise fault response are essential. **Why Choose Mersen for Circuit Protection?** Mersen has been a trusted name in electrical protection for over a century, serving industries that demand **uncompromising reliability and safety**. The company’s fuses, including the GGC-V12, are manufactured under strict quality control processes and tested to international standards such as **UL, VDE, and IEC**, ensuring compliance with global safety regulations. Mersen’s expertise extends beyond individual components—they provide **application-specific guidance**, **custom solutions**, and **technical support** to help engineers select the right fuse for their unique requirements. Whether you’re designing a new product or retrofitting an existing system, Mersen’s GGC-V12 offers a proven, cost-effective solution for high-integrity circuit protection. **Installation & Selection Best Practices** When integrating the GGC-V12 into your design, consider the following best practices to maximize performance and longevity: - **Mounting Orientation**: The fuse should be installed in a vertical position (axial leads downward) to allow for proper heat dissipation and to prevent solder joint stress. - **Derating**: For applications operating at elevated temperatures, derate the fuse current by **10-20%** to account for reduced performance in hot environments. - **Holder Compatibility**: Ensure the fuse holder or PCB footprint matches the **6.3x32mm** dimensions and can accommodate the **1.5-inch (38mm) lead spacing** specified for the GGC-V12. - **Replacement Guidelines**: Always replace blown fuses with an **identical Mersen GGC-V12** to maintain circuit integrity and safety compliance. **Industry Trends & Future-Proofing Your Design** As electronic systems become more compact and power-dense, the demand for **miniature, high-speed fuses** like the GGC-V12 continues to grow. Advances in **semiconductor technology** and **IoT devices** are driving the need for fuses that can protect against increasingly complex fault scenarios, including **inrush currents, ESD events, and microsecond-level transients**. Mersen stays ahead of these trends by investing in **R&D and material science**, ensuring their fuses deliver **superior performance** in next-generation applications. For engineers seeking a **reliable, fast-acting fuse** that balances **size, speed, and safety**, the Mersen GGC-V12 is a proven choice backed by a legacy of innovation.
  • Fast-acting 12A fuse for sensitive circuit protection
  • 125VAC rated, glass body with soldered axial leads
  • Compact 6.3x32mm size for PCB and panel mounting
  • UL, VDE, and IEC certified for global compliance
  • Trusted Mersen quality for industrial and consumer electronics

Specifications

AC Voltage Rating
125 V
Amperage Rating
12 A
Application
Electronic circuits
Brand Name
Mersen
Case
Glass
Class
Supplemental
Connection
Soldered connection
Connection Type
Soldered
Current Rating
12A
Material
Glass
Mounting
Surface
Series
GGC-V
Size
6.3x32
Size
4.25 x 0.25 in
Size
107.95 x 6.35 mm
Special Features
Glass body Fast-acting 1/4" x 1-1/4" 1-1/2"Axial leads
Standard
1/10A through 10A, 250VAC, UL Listed and CSA Certified 12A and 15A, 125VAC, UL Listed and CSA Certified 20A through 30A, 32VAC
Type
6x32mm, 1/4" X 1-1/4"
Voltage Rating
125 VAC
Package Dimensions (L x W x H)
4.25 in x 0.25 in x 0.25 in
Package Dimensions (L x W x H)
107.95 mm x 6.35 mm x 6.35 mm
Package Weight (Imperial)
0.010 lb
Package Weight (Metric)
0.005 kg
Miniature fuse GGC-V - Fast-Acting 125VAC 15A Size 6,3x32 Soldered connection

GGC-V15

Miniature fuse GGC-V - Fast-Acting 125VAC 15A Size 6,3x32 Soldered connection
5×20mm Slo-Blo® glass body cartridge fuse designed to UL specification. Features: Designed to UL/CSA/ ANCE 248 Standard; Available in cartridge and axial lead format; RoHS compliant and lead-free. Applications: Used as supplementary protection in appliance or utilization equipment to provide individual protection for components or internal circuits.

0239007.TXP

5×20mm Slo-Blo® glass body cartridge fuse designed to UL specification. Features: Designed to UL/CSA/ ANCE 248 Standard; Available in cartridge and axial lead format; RoHS compliant and lead-free. Applications: Used as supplementary protection in appliance or utilization equipment to provide individual protection for components or internal circuits.

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.