Mersen GDG1/8 - Miniature fuse GDG - Time-Delay 250VAC 0.125A Size 5x20 Ferrule
Mersen

GDG1/8

Alternate Item Number: GDG1/8

UPC: 782001764319

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Multiplier: 5

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Overview

The Mersen GDG1/8 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 protection against both short circuits and sustained overloads, preventing damage to sensitive equipment and ensuring operational continuity. Its compact 5x20mm ferrule size makes it ideal for space-constrained designs where efficient circuit protection is paramount. Crafted with a durable glass body, the GDG1/8 provides clear visual indication of fuse status, allowing for quick and easy identification of blown fuses. This feature is crucial in industrial environments where rapid troubleshooting and maintenance are essential to minimize downtime. The time-delay functionality is particularly beneficial in circuits with inrush currents, such as those found in motor controls or power supplies, where a fast-acting fuse might nuisance trip. The GDG1/8's ability to withstand these temporary surges while still protecting against prolonged overcurrents makes it a versatile choice. As a product from Mersen, a globally recognized leader in electrical protection and power management, the GDG1/8 miniature fuse benefits from decades of manufacturing expertise and a commitment to stringent quality control. Mersen fuses are trusted by engineers and technicians worldwide for their consistent performance and adherence to international safety standards. This reliability is critical in applications where equipment failure can lead to significant financial losses or safety hazards. Key specifications and features of the Mersen GDG1/8 include: * **Voltage Rating:** 250VAC, suitable for a broad spectrum of AC power systems. * **Current Rating:** 0.125A, precisely calibrated for low-current protection needs. * **Time-Delay Action:** Offers enhanced protection against inrush currents while safeguarding against sustained overloads. * **Construction:** Glass body with ferrule end caps for robust performance and visual inspection. * **Dimensions:** Standard 5x20mm size, ensuring compatibility with common fuse holders and equipment designs. Typical applications for the Mersen GDG1/8 miniature fuse span across various industries, including consumer electronics, telecommunications equipment, industrial control systems, medical devices, and laboratory instrumentation. Its precise current rating and time-delay characteristics make it an excellent choice for protecting sensitive electronic components, power supplies, and control circuits. When selecting a fuse, professionals consider the operating voltage, expected current draw, and the potential for transient surges. The GDG1/8 is engineered to meet these demanding requirements, offering a dependable solution for safeguarding valuable equipment. Its small form factor and reliable performance underscore Mersen's dedication to providing essential protection components that are both effective and efficient.
  • Mersen GDG1/8 Miniature Fuse for reliable overcurrent protection.
  • Time-delay action safeguards against inrush currents and overloads.
  • 250VAC voltage rating suitable for diverse AC power applications.
  • 0.125A current rating for precise low-current circuit protection.
  • Compact 5x20mm glass ferrule construction for easy installation and visual inspection.

Specifications

AC Voltage Rating
250 V
Amperage Rating
0.125 A
Application
Electronic circuits
Brand Name
Mersen
Case
Glass
Class
Supplemental
Connection
Ferrule
Connection Type
Ferrule
Current Rating
0.125A
Material
Glass
Mounting
Clip
Series
GDG
Size
0.79 x 0.2 in
Size
20.066 x 5.08 mm
Size
5x20mm
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 0.125A Size 5x20 Ferrule

GGA1/8

Miniature fuse GGA - Time-Delay 250VAC 0.125A 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.