Mersen A120X6-1 - High Speed Fuse Amp-Trap® A120X 1200VAC 1000VDC 6A Ferrule
Mersen

A120X6-1

Alternate Item Number: A120X6-1

UPC: 782001944704


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Overview

The Mersen A120X6-1 Amp-Trap® Form 101 high speed fuse (SKU: A120X6-1) delivers precise overcurrent protection for critical industrial applications. Rated at 1200VAC and 1000VDC with a 6A current rating, this ferrule-style fuse is engineered for traction drive auxiliary circuits and similar high-performance systems. With an interrupting rating of 100kA for both AC and DC, it ensures reliable fault interruption even in demanding environments. The compact design fits where competitive sizes cannot, making it ideal for space-constrained installations. Its fast-acting, current-limiting performance minimizes component damage during short circuits, while the low I²t value reduces thermal stress. UL recognized under File E60314, the A120X6-1 is a trusted solution for protecting sensitive semiconductor devices and low time constant DC circuits up to 1000VDC. This fuse is specifically designed for applications requiring high speed interruption capabilities, offering superior protection against overloads and short circuits. The ferrule termination style ensures secure and reliable connections within electrical systems. Its robust construction and advanced technology make it a dependable choice for demanding industrial environments where equipment reliability is paramount. The A120X6-1 provides a critical layer of safety and operational continuity for sensitive electronic components.
  • Rated 1200VAC / 1000VDC with 6A current capacity
  • 100kA interrupting rating for AC and DC circuits
  • Fast-acting, current-limiting design for superior protection
  • Compact ferrule-style fuse fits in tight spaces
  • UL recognized under File E60314 for compliance

Specifications

AC Voltage Rating
1200 V
Amperage Rating
6 A
Application
Protection of traction drive auxiliary circuits, etc.
Brand Name
Mersen
Case
GMG
Connection
Ferrule
Mounting
Clip
Size
4.63 x 0.81 in
Size
117.602 x 20.625 mm
Special Features
1000V DC rated for wide range of circuits Compact size fits in where competitive sizes will not fit
Standard
UL recognized component File E 60314
Sub Brand
Amp-Trap®
Type
Round Body High-Speed Fuse-Links AC Protection
Voltage Rating
1200 V
Package Dimensions (L x W x H)
4.63 in x 0.81 in x 0.81 in
Package Dimensions (L x W x H)
117.602 mm x 20.625 mm x 20.625 mm
Package Weight (Imperial)
0.200 lb
Package Weight (Metric)
0.091 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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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.

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.