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Mersen A25X100-4 - 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 100 Amps A25X series.

Mersen A25X100-4 A25X Amp-trap Semiconductor Protection fuses are intended for the protection of Power…

Alternate Item Number: 782001942502

UPC: 782001942502

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The Mersen A25X100-4 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 power semiconductor elements, this fuse offers unparalleled reliability in demanding industrial environments. With a substantial voltage rating of 250 Volts and a high current carrying capacity of 100 Amps, the A25X100-4 is built to withstand the rigors of high-power applications, ensuring the longevity and optimal performance of your critical electronic systems. As part of Mersen's esteemed A25X series, this fuse embodies the company's commitment to delivering advanced protection solutions. The A25X series is specifically developed to provide fast-acting, precise interruption of fault currents, thereby preventing catastrophic damage to expensive power semiconductor components. This meticulous protection minimizes unscheduled downtime, reduces maintenance costs, and enhances overall system stability and safety. Professionals in industries such as power generation, industrial automation, motor control, and renewable energy rely on Mersen's expertise to secure their power electronics infrastructure. Key features and benefits of the Mersen A25X100-4 include: * **Superior Semiconductor Protection:** Specifically designed to protect diodes, SCRs, and other power semiconductor devices from overcurrent and short-circuit conditions. * **High Performance Ratings:** A robust 250V voltage rating and a 100A current rating make it suitable for a broad spectrum of industrial power applications. * **Fast-Acting Interruption:** Engineered for rapid response to fault currents, offering immediate protection to sensitive components. * **Enhanced System Reliability:** By preventing damage to semiconductors, this fuse contributes significantly to the overall reliability and uptime of industrial equipment. * **Mersen Quality Assurance:** Manufactured by Mersen, a globally recognized leader in electrical protection and power management solutions, ensuring trusted performance and durability. Selecting the correct semiconductor protection fuse is paramount for the efficient and safe operation of any power electronic system. The Mersen A25X100-4, with its precise specifications and proven performance, stands as an ideal choice for engineers and maintenance professionals seeking to protect their valuable semiconductor assets. Its integration into systems ensures that even in the event of an electrical anomaly, the primary power components remain safeguarded, allowing for swift diagnosis and replacement of the fuse rather than costly semiconductor units. Trust in the Mersen A25X series to deliver the dependable protection your critical power electronics deserve.
  • Mersen A25X100-4 Amp-trap Semiconductor Protection Fuse
  • Designed for Diodes, Phase Control SCRs, and other power semiconductor devices
  • Voltage Rating: 250 V
  • Current Rating: 100 A
  • A25X Series for precise 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 Block 600VAC 600VDC Class CC 30A 3-Pole Pressure Plate with Reinforced Clip

30323R

Fuse Block 600VAC 600VDC Class CC 30A 3-Pole Pressure Plate with Reinforced Clip
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 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.