Mersen A25Z25-1 - 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 25 Amps A25Z series.
Mersen

A25Z25-1

Alternate Item Number: 782001942243

UPC: 782001942243

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Overview

The Mersen A25Z25-1 Amp-trap Semiconductor Protection Fuse is a critical component engineered for the robust protection of sensitive power semiconductor devices. Designed to safeguard diodes, phase control SCRs, and a wide array of other high-performance semiconductor components, this fuse offers unparalleled reliability in demanding industrial environments. With a precise voltage rating of 250 Volts and a current rating of 25 Amps, the A25Z25-1 fuse ensures optimal operational integrity and safety for your valuable equipment. The Mersen A25Z series is renowned for its fast-acting response to overcurrent and short-circuit conditions. This rapid intervention is paramount in preventing catastrophic damage to delicate semiconductor junctions, thereby extending the lifespan of your power electronics and minimizing costly downtime. The inherent design of these fuses allows them to absorb significant energy during fault events, effectively isolating the fault and protecting the rest of the circuit. Key features and benefits of the Mersen A25Z25-1 Amp-trap fuse include: * **Superior Semiconductor Protection:** Specifically designed to meet the unique protection requirements of power semiconductors, offering a high degree of selectivity and minimal let-through energy. * **Fast Acting Response:** Quickly interrupts fault currents, significantly reducing the duration of overcurrent events and protecting sensitive components from thermal and electrical stress. * **Robust Construction:** Built to withstand the rigors of industrial applications, ensuring consistent performance and longevity. * **Broad Application Range:** Ideal for use in motor drives, inverters, rectifiers, UPS systems, and other power conversion equipment where semiconductor protection is essential. * **Trusted Manufacturer:** Mersen is a global leader in electrical protection and power management solutions, recognized for its commitment to quality, innovation, and safety. Selecting the correct semiconductor protection fuse is a vital step in the design and maintenance of any power electronic system. The A25Z25-1 from Mersen provides engineers and technicians with a dependable solution that adheres to stringent industry standards. Its application extends across various sectors, including industrial automation, renewable energy systems, transportation, and telecommunications, where the reliability of power semiconductor devices is non-negotiable. By incorporating the A25Z25-1 into your designs, you are investing in the long-term stability and efficiency of your electrical systems. Trust Mersen's extensive expertise in power protection to safeguard your critical infrastructure with the A25Z25-1 Amp-trap Semiconductor Protection Fuse.
  • Mersen A25Z25-1 Amp-trap Semiconductor Protection Fuse
  • Designed for Diodes, Phase Control SCRs, and other power semiconductor devices
  • Voltage Rating: 250 V
  • Current Rating: 25 A
  • Fast-acting response to overcurrent and short-circuit conditions

Specifications

Amperage Rating
25 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)
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

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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.