Mersen GDG1/4 - Miniature fuse GDG - Time-Delay 250VAC 0.25A Size 5x20 Ferrule
Mersen

GDG1/4

Alternate Item Number: GDG1/4

UPC: 782001764340

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Minimum Qty: 5

Multiplier: 5

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Overview

The Mersen GDG1/4 is a high-quality miniature fuse designed for reliable overcurrent protection in a wide range of electronic and industrial applications. Engineered with a time-delay characteristic, this fuse offers superior performance by allowing temporary, harmless inrush currents to pass without nuisance tripping, while still providing robust protection against sustained overloads and short circuits. This makes it an ideal choice for circuits with inductive loads or motor start-up conditions where brief current surges are common. Constructed with a durable glass body and featuring 5x20mm ferrule end caps, the GDG1/4 fuse ensures excellent visibility of the fuse element and provides a secure connection within compatible fuse holders. The 250VAC voltage rating signifies its suitability for use in systems operating at or below this voltage level, a common standard in many industrial and commercial settings. With a precise 0.25A current rating, it offers fine-grained protection for sensitive electronic components and low-power circuits. Mersen is a globally recognized leader in electrical protection and power management solutions, renowned for their commitment to quality, innovation, and reliability. The GDG series of miniature fuses upholds this reputation, providing engineers and technicians with the confidence that their equipment is protected by components built to stringent industry standards. When selecting miniature fuses, professionals prioritize factors such as voltage rating, current rating, interrupting rating, and time-current characteristics. The GDG1/4 excels in providing a balanced combination of these critical parameters for many common applications. Key features and benefits of the Mersen GDG1/4 miniature fuse include: * **Time-Delay Operation:** Effectively handles inrush currents without tripping, preventing unnecessary downtime. * **250VAC Voltage Rating:** Suitable for a broad spectrum of AC power applications. * **0.25A Current Rating:** Provides precise protection for low-power and sensitive circuits. * **Glass Body Construction:** Offers visual indication of fuse status and robust durability. * **5x20mm Ferrule Size:** A standard and widely compatible fuse dimension for easy integration. * **Mersen Quality:** Manufactured by a trusted industry leader known for dependable electrical protection. Typical applications for the Mersen GDG1/4 fuse include power supplies, control circuits, instrumentation, lighting systems, and various consumer electronics. Its time-delay feature is particularly beneficial in applications involving small motors, solenoids, or other components that experience momentary high current draws during operation. By choosing the Mersen GDG1/4, you are investing in a reliable and effective solution for safeguarding your valuable equipment against electrical faults, ensuring operational continuity and preventing costly damage. The consistent performance and adherence to quality standards make this fuse a preferred component for design engineers and maintenance professionals alike.
  • Mersen GDG1/4 Miniature Fuse
  • Time-Delay Characteristic for Inrush Current Handling
  • 250VAC Voltage Rating
  • 0.25A Current Rating
  • 5x20mm Glass Body with Ferrule End Caps

Specifications

AC Voltage Rating
250 V
Amperage Rating
0.25 A
Application
Electronic circuits
Brand Name
Mersen
Case
Glass
Class
Supplemental
Connection
Ferrule
Connection Type
Ferrule
Current Rating
0.25 A
Material
Glass
Mounting
Clip
Series
GDG
Size
0.79 x 0.2 in
Size
20.066 x 5.08 mm
Size
5x20 mm
Special Features
Glass body Time-delay 5 mm x 20 mm
Standard
1/16A through 10A, 250VAC, UL & CSA Recognized 1/16A through 6-3/10A, 250VAC, SEMKO Approved 1/16A through 6-3/10A, 250VAC, VDE Approved IEC 127-2 Standard Sheet 3
Type
5x20mm
Voltage Rating
250 VAC
Package Dimensions (L x W x H)
0.79 in x 0.2 in x 0.2 in
Package Dimensions (L x W x H)
20.066 mm x 5.08 mm x 5.08 mm
Package Weight (Imperial)
0.010 lb
Package Weight (Metric)
0.005 kg
Miniature fuse GGA - Time-Delay 250VAC 0.25A Size 5x20 Ferrule

GGA1/4

Miniature fuse GGA - Time-Delay 250VAC 0.25A Size 5x20 Ferrule
SLO-BLO GLASS INDICA H-PACK .500A. 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.

0313.500HXIDP

SLO-BLO GLASS INDICA H-PACK .500A. 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.