Mersen GSA-V2-1/2 - 250V Time Delay, Ceramic 1/4" x 1 1/4" 250 Volts 2.5 Amps GSA-V series.
Mersen

GSA-V2-1/2

Alternate Item Number: 782001810726

UPC: 782001810726

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Overview

The Mersen GSA-V2-1/2 is a premium time delay ceramic fuse engineered for robust and reliable overcurrent protection in demanding industrial environments. Manufactured by Mersen, a globally recognized leader in electrical protection solutions, this fuse (SKU: GSA-V2-1/2) exemplifies precision engineering and superior performance. Its core function is to safeguard sensitive electrical and electronic equipment from damage caused by overloads and short circuits, ensuring operational continuity and safety. Constructed with a durable ceramic body, the GSA-V2-1/2 offers exceptional thermal management and arc suppression capabilities, crucial for preventing catastrophic failures. The time delay characteristic is vital for applications where temporary inrush currents are common, such as motor starts or power supply energization. This feature allows the fuse to withstand these brief surges without nuisance blowing, while still providing rapid protection against sustained overcurrents. The fuse is rated for 250 volts and 2.5 amps, making it suitable for a wide range of low-voltage industrial circuits. Key specifications and features of the Mersen GSA-V2-1/2 include: * **Voltage Rating:** 250V AC/DC, providing broad compatibility with standard industrial power systems. * **Current Rating:** 2.5A, precisely calibrated for specific circuit protection needs. * **Fuse Type:** Time Delay, designed to tolerate temporary overcurrents while reacting to sustained faults. * **Body Material:** High-quality Ceramic, ensuring excellent dielectric strength, thermal resistance, and mechanical integrity. * **Dimensions:** Compact 1/4" x 1 1/4" (approximately 6.3mm x 31.75mm), facilitating installation in space-constrained fuse holders and equipment. * **Series:** GSA-V, a recognized series from Mersen known for its dependable performance. This fuse is an indispensable component in various industrial sectors, including manufacturing, automation, telecommunications, and power distribution. It is commonly found protecting power supplies, control panels, industrial machinery, HVAC systems, and sensitive electronic instrumentation. The choice of a ceramic fuse like the GSA-V2-1/2 is often dictated by the need for higher interrupting ratings and better performance under challenging environmental conditions compared to glass-bodied fuses. Mersen's commitment to quality and adherence to stringent industry standards, such as those governed by UL and IEC, ensure that the GSA-V2-1/2 provides consistent and dependable protection. When selecting fuses, engineers and technicians rely on the GSA-V series for its predictable performance and long-term reliability. The precise current and voltage ratings, combined with the robust ceramic construction and time-delay functionality, make this fuse an optimal choice for critical applications where equipment downtime and failure are costly and unacceptable. Its standard dimensions ensure compatibility with a vast array of existing fuse holders and equipment designs, simplifying integration and replacement processes.
  • Mersen GSA-V2-1/2 250V 2.5A Time Delay Ceramic Fuse
  • Durable ceramic body for enhanced thermal management and arc suppression
  • Compact 1/4" x 1 1/4" dimensions for space-efficient installations
  • Reliable overcurrent and short-circuit protection for industrial applications
  • Trusted Mersen quality and performance for critical electrical systems

Specifications

Amperage Rating
2.5 A
Application
Electronic circuits - High currents (microwave ovens)
Brand Name
Ferraz Shawmut
Connection
Axial Leads
Current Rating
2.5A
Interrupt Rating
0.1 kA
Material
Ceramic
Mounting
Surface
Series
GSA-V
Size
1/4" x 1 1/4"
Special Features
Ceramic Body, Time-Delay, 1/4" X 1 1/4"
Standard
UL/CSA Std. 248-14 1/16A - 8A, 250VAC, UL Listed 10A,12A,15A, 250VAC UL Recognized 1/16A - 8A, 250VAC, CSA Certified 10A, 12A, 15A, 250VAC CSA Recognized 20A, 250VAC 25A, 30A, 125VAC
Type
1/4 X 1-1/4
Voltage Rating
250 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.
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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.