Mersen A25Z100-4 - A25Z 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 100 Amps A25Z series.
Mersen

A25Z100-4

Alternate Item Number: 782001942458

UPC: 782001942458

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Overview

The Mersen A25Z100-4 Amp-trap Semiconductor Protection Fuse (SKU: A25Z100-4) is engineered to deliver superior protection for critical power semiconductor devices within demanding industrial environments. Designed specifically for safeguarding diodes, phase control SCRs, and a wide array of other high-power semiconductor components, this fuse offers an essential layer of defense against damaging overcurrents and short circuits. With a robust voltage rating of 250 Volts and a substantial current rating of 100 Amps, the A25Z100-4 fuse ensures optimal operational performance and enhanced safety across various power electronic systems. As part of Mersen's renowned A25Z series, these fuses are meticulously designed for fast-acting interruption of fault currents. This rapid response is crucial for preventing catastrophic damage to sensitive and often expensive semiconductor components, thereby minimizing downtime and costly repairs. The precise and reliable operation of the A25Z100-4 fuse contributes directly to the longevity and stability of the protected equipment. Key applications for the Mersen A25Z100-4 fuse span across numerous industrial sectors. It is an ideal choice for power electronics, industrial automation systems, variable speed drives, motor control centers, and renewable energy installations such as solar inverters and wind turbine converters. Its ability to handle high fault currents while offering precise protection makes it indispensable in systems where semiconductor reliability is paramount. Professionals in electrical engineering and maintenance rely on Mersen's commitment to quality and innovation for their critical protection needs. Selecting the correct semiconductor protection fuse involves careful consideration of the device's voltage and current ratings, as well as its interrupting capacity and response time. The A25Z100-4 fuse meets stringent industry standards, providing engineers with the confidence that their semiconductor investments are well-protected. Mersen, a global leader in electrical protection and power management solutions, has a long-standing reputation for producing high-quality, dependable components. Choosing Mersen means opting for proven reliability and advanced technology designed to safeguard your operations. Features and Benefits: * **Targeted Semiconductor Protection:** Specifically designed for diodes, SCRs, and other power semiconductor devices. * **High Interrupting Capacity:** Quickly and safely interrupts fault currents to prevent equipment damage. * **Robust Voltage and Current Ratings:** 250V and 100A ratings suitable for a wide range of industrial power applications. * **Enhanced System Reliability:** Contributes to the longevity and stable operation of power electronic systems. * **Trusted Manufacturer:** Backed by Mersen's global reputation for quality and innovation in electrical protection.
  • Mersen A25Z Amp-trap Semiconductor Protection Fuse
  • Designed for Diodes, Phase Control SCRs, and other Power Semiconductors
  • 250 Volts, 100 Amps Rating
  • Fast-acting interruption of fault currents
  • Ensures optimal performance and safety in industrial applications

Specifications

Amperage Rating
100 A
Application
Protection of AC/DC drives, UPS and other equipment of 300 volts or less
Brand Name
Ferraz Shawmut
Special Features
250VAC rated Low I 2 t minimizes damage to protected component on short circuit. Controlled arc Voltage reduces stress to circuit components during fuse clearing. Choice of mounting types helps in equipment design
Standard
UL Recognized Component Guide JFHR2 Some Ratings RoHS Compliant
Type
North American Round Style
Voltage Rating
250 VAC
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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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.