Mersen A25X2-1 - A25X Amp-trap Semiconductor Protection fuses are intended for the protection of Power Semiconductors such as Diodes, Phase Control SCR's and other power Semiconductor devices 250 Volts 2 Amps A25X series.
Mersen

A25X2-1

Alternate Item Number: 782001942021

UPC: 782001942021

Contact for Pricing

Overview

The Mersen A25X2-1 Amp-trap Semiconductor Protection Fuse (SKU: A25X2-1) is engineered for the critical protection of power semiconductor devices. This high-speed fuse is specifically designed to safeguard diodes, phase control SCRs, and other sensitive power semiconductor components from overcurrent and short-circuit events. With a precise rating of 2 Amps and a maximum operating voltage of 250 Volts AC, the A25X2-1 is an essential component for maintaining the integrity and longevity of power electronic systems. Key features of the Mersen A25X series, including the A25X2-1, are optimized for semiconductor protection: * **Low $I^2t$ Values:** Minimizes let-through energy during fault conditions, reducing thermal stress on protected devices. * **Fast Acting Response:** Provides rapid interruption of fault currents, preventing catastrophic damage. * **Controlled Arc Voltage:** Reduces stress on circuit components during fuse clearing. * **High Interrupting Rating:** Safely handles fault currents significantly beyond its rated capacity. The A25X series is recognized for its reliability in heavy-duty applications. The A25X2-1 is suitable for protecting heavy-duty rectifiers and similar power supplies. Applications include power supplies, motor drives, inverters, rectifiers, uninterruptible power supplies (UPS), and renewable energy systems where power semiconductors are utilized. Mersen's A25X fuses are UL Recognized Components (File E60314). The A25X series offers various AC voltage ratings, including 300VAC for 1-30A and 250VAC for 35-60A and 70-250A. The A25X2-1, with its 250VAC rating, is ideal for a broad range of low-to-medium voltage industrial power circuits. Ensure the reliable protection of your valuable semiconductor assets with Mersen's advanced fuse technology.
  • Designed for protection of power semiconductors (diodes, SCRs)
  • 250 Volts AC, 2 Amps
  • Fast-acting response to overcurrents
  • Low $I^2t$ minimizes damage to protected components
  • UL Recognized Component (File E60314)

Specifications

Brand Name
Ferraz Shawmut
Current Rating
2 A
Series
A25X
Voltage Rating
250 VAC
Package Dimensions (L x W x H)
2 IN x 0.56 IN x 0.56 IN
Package Dimensions (L x W x H)
5.08 cm x 14.224 mm x 14.224 mm
Package Weight (Imperial)
0.040 L
Package Weight (Metric)
0.018 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

9F61BWW460

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.