Mersen GSD1/10 - 250V Fast Acting Glass 5mm x 20mm 250 Volts 0.1 Amps GSD series.
Mersen

GSD1/10

Alternate Item Number: 782001244507

UPC: 782001244507

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Minimum Qty: 5

Multiplier: 5

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Overview

The **Mersen GSD1/10** is a high-precision **250V fast-acting glass fuse** designed to deliver superior overcurrent protection in a wide range of industrial and electronic applications. With a compact **5mm x 20mm** form factor and a **0.1A current rating**, this fuse is engineered for applications where rapid response to fault conditions is critical to safeguarding sensitive components. Part of Mersen’s trusted **GSD series**, the GSD1/10 combines fast-acting performance with robust construction, ensuring reliable circuit interruption without compromising system integrity. **Key Features & Technical Specifications** The GSD1/10 is built for environments demanding **high reliability and precision protection**. Its **250V voltage rating** makes it suitable for both low- and medium-voltage applications, including power supplies, control panels, and instrumentation systems. The **0.1A current rating** ensures compatibility with low-power circuits where even minor overcurrent events could lead to component failure or system downtime. Unlike standard fuses, the **fast-acting design** of the GSD1/10 minimizes response time, reducing the risk of thermal stress and electrical damage in critical applications. **Applications & Industry Use Cases** This fuse is widely used in industries such as **automation, telecommunications, renewable energy, and medical equipment**, where precise overcurrent protection is non-negotiable. Common applications include: - **Power distribution units (PDUs)** and **surge protectors** - **Industrial control systems (ICS)** and **PLCs** - **Telecom infrastructure** (routers, switches, base stations) - **Medical devices** (patient monitoring, diagnostic equipment) - **LED lighting systems** and **low-power electronics** Its **5mm x 20mm glass body** provides excellent **insulation and thermal stability**, making it ideal for high-temperature environments or applications with limited space constraints. The **transparent glass construction** also allows for easy visual inspection of the fuse element, enabling quick diagnostics during maintenance or troubleshooting. **Why Choose Mersen for Your Fuse Protection Needs?** Mersen is a global leader in **electrical protection solutions**, with decades of expertise in fuse technology. The **GSD series**, including the GSD1/10, is trusted by engineers and technicians worldwide for its **consistent performance, durability, and adherence to international safety standards**. Whether you’re designing a new system or replacing an existing fuse, Mersen’s fuses are engineered to meet the demands of modern industrial and electronic applications. **Installation & Compatibility Considerations** When selecting a fuse, professionals must consider **voltage rating, current rating, response time, and physical dimensions**. The GSD1/10’s **250V rating** ensures compatibility with most low-to-medium voltage systems, while its **0.1A rating** makes it ideal for low-power circuits. The **fast-acting characteristic** is particularly beneficial in applications where even brief overcurrent events could cause irreversible damage. Installation is straightforward, with standard **5mm x 20mm fuse holders**, but always ensure proper sizing and compatibility with your system’s requirements. **Durability & Long-Term Performance** Constructed from **high-quality glass and metal components**, the GSD1/10 is designed to withstand harsh operating conditions, including **vibration, temperature fluctuations, and electrical stress**. Its **low let-through energy (I²t)** ensures minimal stress on protected components, extending the lifespan of both the fuse and the connected equipment. For applications requiring **UL, IEC, or other certifications**, Mersen’s GSD series meets stringent industry standards, providing peace of mind in regulated environments. **Conclusion: A Reliable Choice for Critical Protection** For engineers and procurement professionals seeking a **high-performance, fast-acting fuse** for low-power industrial or electronic applications, the **Mersen GSD1/10** is a proven solution. Its **compact size, fast response, and robust construction** make it an excellent choice for protecting sensitive circuits from overcurrent events. Trust Mersen’s legacy of innovation and reliability to safeguard your systems with the **GSD1/10**—where precision meets protection.
  • 250V voltage rating for low-to-medium voltage applications
  • 0.1A current rating for precise low-power circuit protection
  • Fast-acting response minimizes damage to sensitive components
  • 5mm x 20mm glass body with excellent thermal stability
  • Part of Mersen’s trusted GSD series for industrial reliability

Specifications

Amperage Rating
0.1 A
Application
Electronic circuits
Brand Name
Ferraz Shawmut
Connection
Ferrule
Current Rating
0.1 A
Interrupt Rating
1.5 kA
Material
Glass
Mounting
Clip
Series
GSD
Size
5mm x 20mm
Special Features
Ceramic BodyFast-Acting5mm x 20mmGSD-V fuses have 1-1/2" wire lead each end.
Standard
UL/CSA Recognized 1/16A - 10A, 250VAC, SEMKO Approved 1A - 6-3/10A, 250VAC VDE Approved 1A - 6-3/10A, 250VAC, !EC 127-2 Sheet 1
Type
5 X 20 mm miniature fuses
Voltage Rating
250 VAC
Package Dimensions (L x W x H)
0.787 IN x 0.2 IN x 0.2 IN
Package Dimensions (L x W x H)
19.9898 mm x 5.08 mm x 5.08 mm
Package Weight (Imperial)
0.005 L
Package Weight (Metric)
0.002 kg
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Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20

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Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
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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9F61 Size B Clips 1.6in

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.