Mersen GDL-V12 - 250V Time Delay Glass 1/4" x 1 1/4" 125V Volts 12 amps GDL-V (pigtail leads) series.
Mersen

GDL-V12

Alternate Item Number: 782001766313

UPC: 782001766313

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Minimum Qty: 10

Multiplier: 10

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Overview

The **Mersen GDL-V12** is a premium **250V time delay glass fuse** engineered for industrial-grade overcurrent protection in demanding applications. Designed with a **12A current rating** and **1/4" x 1 1/4" glass body**, this fuse combines reliability, precision, and ease of installation to safeguard sensitive electrical systems. Featuring **pigtail leads** for direct soldering or crimping, the GDL-V12 ensures secure connections in high-vibration environments, making it an ideal choice for control panels, power supplies, and industrial machinery where circuit integrity is critical. Mersen’s **GDL-V series** is renowned for its **superior time-delay characteristics**, allowing temporary overloads—such as startup surges—to pass without nuisance tripping while providing robust protection against sustained overcurrents. This makes it particularly well-suited for applications where equipment startup inrush currents could otherwise trigger false faults. The **250V voltage rating** ensures compatibility with a wide range of industrial systems, from motor controllers to automation equipment, while the **compact glass construction** offers excellent arc-quenching properties for enhanced safety. **Key Applications & Industries:** The GDL-V12 is widely used in sectors such as **manufacturing, automotive, HVAC, renewable energy, and telecommunications**, where reliable fuse protection is non-negotiable. Typical use cases include: - **Control panels** for machinery and automation systems - **Power distribution units** in industrial facilities - **Motor starters and variable frequency drives (VFDs)** - **Telecom and data center power supplies** - **Lighting ballasts and LED drivers** - **Industrial control systems (ICS) and PLCs** **Why Choose Mersen for Industrial Fuse Protection?** As a **global leader in electrical protection solutions**, Mersen delivers fuses that meet stringent **IEC, UL, and CSA standards**, ensuring compliance with international safety regulations. The **GDL-V12** is manufactured with high-quality materials to withstand harsh operating conditions, including temperature fluctuations, humidity, and mechanical stress. Its **pigtail lead design** simplifies installation in tight spaces, reducing wiring complexity and minimizing installation errors—a critical factor in high-reliability applications. **Installation & Selection Considerations:** When selecting a fuse for industrial applications, professionals prioritize **voltage rating, current rating, response time, and environmental durability**. The GDL-V12 excels in all these areas: - **Voltage Rating (250V):** Suitable for both 120V and 240V systems, providing flexibility across global markets. - **Current Rating (12A):** Balances protection for sensitive components while allowing brief overloads. - **Time-Delay Design:** Prevents nuisance interruptions during transient conditions, such as motor startup. - **Glass Construction:** Offers visual inspection of the fuse element and superior heat dissipation. - **Pigtail Leads:** Enable secure, vibration-resistant connections in panel-mounted applications. For engineers and maintenance teams, the **GDL-V12** represents a **cost-effective, high-performance solution** that reduces downtime and extends equipment lifespan. Whether protecting a **CNC machine, a solar inverter, or a critical control circuit**, this fuse delivers the **precision and durability** required in modern industrial environments. Trust Mersen’s **century of expertise** in electrical protection to keep your systems safe, efficient, and compliant with industry standards.
  • 250V voltage rating for versatile industrial applications
  • 12A current rating with time-delay design for surge protection
  • 1/4" x 1 1/4" glass body with pigtail leads for easy installation
  • Superior arc-quenching and heat dissipation for safety
  • Compliant with IEC, UL, and CSA standards for global use

Specifications

Amperage Rating
12 A
Application
Electronic circuits
Brand Name
Ferraz Shawmut
Connection
Axial Leads
Interrupt Rating
10 kA
Mounting
Surface
Special Features
Glass Body Time-Delay 1/4" X 1/4"
Standard
UL/CSA Std.248-14 1/16A - 8A, 250VAC UL Listed, CSA Certified 10A - 15A 125VAC UL Listed, CSA Certified 20A - 30A, 32VAC UL Listed to U.S. and Canadian safety standards RoHS Compliant
Type
Electronic Fuses
Voltage Rating
125V 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)
10.795 cm x 6.35 mm x 6.35 mm
Package Weight (Imperial)
0.010 L
Package Weight (Metric)
0.005 kg
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POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.

LCC5

POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.
9F61 Size B Clips 1.6in

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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.