Mersen A25X80-4 - 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 80 Amps A25X series.
Mersen

A25X80-4

Alternate Item Number: 782001942465

UPC: 782001942465

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Overview

The Mersen A25X80-4 Amp-trap Semiconductor Protection Fuse (SKU: A25X80-4) is a critical component engineered for the robust protection of sensitive power semiconductor devices within industrial electrical systems. Designed by Mersen, a globally recognized leader in electrical protection solutions, this fuse offers unparalleled reliability for safeguarding diodes, phase control SCRs (Silicon Controlled Rectifiers), and a wide array of other power semiconductor components. Its specific application is to provide fast-acting, current-limiting protection against short-circuit and overload conditions that could otherwise lead to catastrophic failure and costly downtime. With a substantial voltage rating of 250 Volts and a precise current rating of 80 Amps, the A25X80-4 fuse is meticulously designed to match the operational parameters of high-power semiconductor applications. The A25X series from Mersen is renowned for its superior performance characteristics, including very low I²t values, which are essential for minimizing the thermal stress on protected devices during fault events. This means that when a fault occurs, the fuse interrupts the circuit extremely rapidly, absorbing minimal energy and thereby protecting the semiconductor from damaging heat. Key benefits of integrating the Mersen A25X80-4 fuse into your system include: * **Enhanced Semiconductor Longevity:** By providing swift and decisive protection, the fuse significantly extends the operational lifespan of expensive power semiconductor devices. * **Minimized Downtime:** Rapid fault interruption prevents cascading failures, ensuring that your industrial processes remain operational with minimal interruption. * **Superior Protection:** The fuse's design offers a high degree of protection against both short circuits and overloads, crucial for maintaining system integrity. * **Application Versatility:** Ideal for use in power supplies, motor drives, inverters, rectifiers, and other applications where power semiconductors are employed. Selecting the correct semiconductor protection fuse is paramount for system reliability and safety. The Mersen A25X80-4 fuse, with its specific ratings and advanced design, addresses the stringent demands of modern industrial power electronics. Professionals in sectors such as manufacturing, renewable energy, transportation, and heavy industry rely on Mersen's commitment to quality and innovation to protect their critical infrastructure. The A25X series fuses are manufactured to exacting standards, ensuring consistent performance and adherence to international safety regulations. When specifying protection for your valuable power semiconductor assets, the Mersen A25X80-4 offers a trusted and effective solution, backed by the expertise of a leading manufacturer in the field of electrical safety.
  • Designed for protection of power semiconductor devices (diodes, SCRs, etc.)
  • 250 Volt AC/DC rating
  • 80 Amp current rating
  • Fast-acting, current-limiting protection
  • Mersen A25X series for high reliability

Specifications

Brand Name
Ferraz Shawmut
Package Dimensions (L x W x H)
3.13 IN x 1.22 IN x 1.22 IN
Package Dimensions (L x W x H)
7.9502 cm x 3.0988 cm x 3.0988 cm
Package Weight (Imperial)
0.380 L
Package Weight (Metric)
0.172 kg
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Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

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9F61 Size B Clips 1.6in

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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.

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.