Mersen A25X175-4 - 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 175 Amps A25X series.
Mersen

A25X175-4

Alternate Item Number: 782001943141

UPC: 782001943141

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Overview

The Mersen A25X175-4 Amp-trap Semiconductor Protection Fuse (SKU: A25X175-4) is a critical component engineered for the robust protection of sensitive power semiconductor devices. Designed by Mersen, a recognized leader in electrical protection solutions, this fuse is specifically tailored to safeguard high-power components such as diodes, phase control SCRs (Silicon Controlled Rectifiers), and other advanced power semiconductor technologies. Its primary function is to provide rapid and reliable interruption of fault currents, thereby preventing catastrophic damage to these valuable and often expensive electronic components. With a substantial current rating of 175 Amps and a voltage rating of 250 Volts, the A25X175-4 fuse is suitable for a wide array of industrial applications where high power density and semiconductor integrity are paramount. These applications commonly include motor drives, uninterruptible power supplies (UPS), industrial power supplies, welding equipment, and renewable energy systems. The A25X series is renowned for its fast-acting characteristics, which are essential for protecting semiconductors that are particularly vulnerable to the rapid rise times and high peak currents associated with short-circuit events. This swift response minimizes the duration of overcurrent conditions, significantly reducing the thermal stress and potential for irreversible damage to the semiconductor junction. Selecting the correct semiconductor protection fuse is a vital step in system design and maintenance. The Mersen A25X175-4 offers a dependable solution, ensuring that your power electronic systems operate safely and efficiently. Its construction adheres to stringent industry standards, providing peace of mind for engineers and maintenance professionals. The fuse's ability to absorb significant energy during a fault event, coupled with its precise current-limiting capabilities, makes it an indispensable part of any system relying on power semiconductors. Investing in high-quality protection like the Mersen A25X175-4 contributes directly to increased equipment lifespan, reduced downtime, and enhanced operational safety. Key features and benefits of the Mersen A25X175-4 Amp-trap Semiconductor Protection Fuse include: * **Specialized Semiconductor Protection:** Specifically designed to protect diodes, SCRs, and other power semiconductor devices. * **High Interrupting Rating:** Capable of safely interrupting high fault currents, preventing damage to sensitive electronics. * **Fast-Acting Response:** Minimizes damage by quickly clearing overcurrent and short-circuit conditions. * **Robust Construction:** Built to withstand demanding industrial environments and electrical stresses. * **Reliable Performance:** Ensures consistent and dependable protection for critical power systems. * **Manufacturer Reputation:** From Mersen, a trusted name in electrical protection and power management solutions. By incorporating the Mersen A25X175-4 into your designs or replacement parts inventory, you are ensuring the longevity and reliability of your power semiconductor-based equipment. This fuse is not merely a component; it's a crucial safeguard for your industrial operations.
  • Mersen A25X175-4 Amp-trap Semiconductor Protection Fuse
  • 250 Volt AC/DC voltage rating
  • 175 Amp current rating
  • Designed for protection of power semiconductor devices (diodes, SCRs)
  • Fast-acting for critical semiconductor protection

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
Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount

GPM-SRR90

Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount
Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20

C331156

Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20
Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8

1SCM8

Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8
Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
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.