Mersen A13X4000-128 - A13X Amp-trap Form 101 Semiconductor Protection fuses were designed for the specific protection of diodes and other semiconductor devices rated 130VAC. The A13X product line's compact design is perfect for those applications that have limitations on available space. 130 Volts 4000 Amps type 128 connection.
Mersen

A13X4000-128

Alternate Item Number: 782001941826

UPC: 782001941826

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Overview

The Mersen A13X4000-128 Amp-trap Form 101 Semiconductor Protection Fuse is a high-interrupting-capacity solution engineered for critical protection of diodes, thyristors, and other solid-state devices operating at 130VAC. This fuse combines a 4000A current rating with a compact design, making it ideal for space-constrained installations where traditional fuses cannot fit. The Type 128 connection ensures secure, low-resistance electrical contact, reducing arcing and overheating risks during high-current events. Designed for rapid response to fault currents, the A13X4000-128 prevents catastrophic damage to sensitive semiconductor components, minimizing downtime and equipment failure in high-power applications. It is particularly well-suited for power conversion systems, motor drives, and renewable energy installations, where operational integrity is critical. The fuse’s ceramic body and fast-acting response meet stringent industrial standards, ensuring reliable performance in demanding environments. Key applications include protection of diodes and thyristors in power electronics, semiconductor device safeguarding in motor drives and inverters, and critical circuit protection in renewable energy systems (e.g., solar inverters, wind turbine converters). The A13X4000-128 is manufactured in the US and complies with relevant industry standards, offering a trusted solution for engineers and technicians requiring dependable semiconductor protection.
  • 130VAC voltage rating for semiconductor protection
  • 4000A current rating for high-power applications
  • Type 128 connection for secure, low-resistance contact
  • Compact design for space-constrained installations
  • Fast-acting response to prevent semiconductor damage

Specifications

Amperage Rating
4000 A
Application
Protection of drives, UPS, Rectifiers and other equipment of 130 volts or less
Brand Name
Ferraz Shawmut
Connection
Hockey Puck
Mounting
Bolted
Standard
UL Recognized Component Guide JFHR8, File E60314 Some Ratings RoHS Compliant
Type
North American Round Style
Voltage Rating
130 VAC
Package Dimensions (L x W x H)
1.88 IN x 3.5 IN x 3.5 IN
Package Dimensions (L x W x H)
4.7752 cm x 8.89 cm x 8.89 cm
Package Weight (Imperial)
3.400 L
Package Weight (Metric)
1.542 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.

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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.