Mersen M100J22N - UL 98 Fusible Switch 600VAC Class J 100A 4-Pole Configuration: 2-2-N
Mersen

M100J22N

Alternate Item Number: M100J22N

Contact for Pricing

Overview

The Mersen M100J22N is a UL 98 listed fusible disconnect switch designed for reliable service entrance applications. Rated for 600VAC and 100A, this 4-pole switch utilizes Class J fuses for superior current-limiting protection, offering a Short-Circuit Current Rating (SCCR) of up to 200kA when paired with appropriate fuses. Engineered for maximum safety and functionality, the M100J22N features a double-break design that isolates both fuse clips from voltage during fuse replacement, ensuring user safety. The fuse doors are interlocked and cannot be opened when the switch is in the "ON" position. Its modular design allows for flexible handle placement amongst the poles, and a "Test" position enables auxiliary contact actuation without main power. Power taps are integrated for convenient energizing of CPT or surge devices, eliminating the need for separate terminal blocks. This switch conforms to IEC 60947-3 and is CE marked. Available with a variety of ergonomic handles and accessories, the M100J22N offers a compact footprint and is manufactured in Spain.
  • UL 98 Listed Fusible Disconnect Switch
  • 100A, 600VAC, 4-Pole Configuration
  • Class J Fuse Compatibility for High SCCR
  • Double-Break Design for Enhanced Safety
  • Modular Handle Placement and "Test" Position

Specifications

AC Voltage Rating
600 V
Amperage Rating
100 A
Application
Main disconnects Short circuit protection Electrical isolation Overcurrent protection Safety switch
Brand Name
Mersen
Connection
Terminal
Connection Type
Screw Terminal
Current Rating
100 A
DC Voltage Rating
250 V
Maximum Operating Temperature
40 C
Minimum Operating Temperature
-5 C
Mounting Type
Direct Screw Mount
Mounting Type
Modular
Number Of Poles
4
Poles
4
Size
6.77 x 7.15 x 4.11 in
Size
171.958 x 181.61 x 104.394 mm
Special Features
Multiple Configurations Power taps Adjustable shaft depth Fuse monitoring Double break, isolating live and load side of fuse Interlocked fuse doors
Standard
All UL Fusible Disconnect Switches meet UL & CSA requirements UL listed guide WHTY, File E191605 for UL 98 (ratings from 30A to 1200A) IEC 60947-3
Type
UL 98 Fusible
Voltage Rating
600 VAC
Package Dimensions (L x W x H)
6.77 in x 7.15 in x 4.11 in
Package Dimensions (L x W x H)
171.958 mm x 181.61 mm x 104.394 mm
Package Weight (Imperial)
3.960 lb
Package Weight (Metric)
1.796 kg
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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.