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Approvals & Standards

  • All UL switches meet the requirements of UL and CSA
  • UL listed guide WHTY, File E191605 for UL 98 (ratings from 30 A to 1200 A)
  • IEC 60947-3

Key features & benefits

Mersen disconnect switches are extremely durable and versatile. These heavy-duty switches are designed with the most up-to-date disconnect switch technology available. Designed to suit the UL98 standard, the switch gives you a product that makes and breaks power circuits on load. The switches are tested and approved for use in demanding applications, such as Service Entrance.

More specifications


  • Service entrance or main panel disconnects
  • “Make and break” power circuit applications on load
  • Electrical isolation
  • Safety switch

Product Specifications

Item number


Item Description (ERP)

IEC UL98 Switch 100A 3p DM  

Short Description

UL98 Non-Fused Disconnect 600V 100A 3 Pole Door Mounted  



Rated voltage AC UL

600   V

Rated voltage DC UL

0   V

Ampere Rating

100   A

ROHS Compliant


Short Circuit Current Rating (SCCR)

Up to 200 kA with fuses  

Short Circuit Rating (Class J)

50 kA at 150A   kA

Number of Poles


Wiring range


Connection/Terminal Material

Silver-Plated Copper  

Connection/Terminal Type


Torque Rating

55   lb-in

Max Horsepower Rating/FLA

3-Phase: 240V 30HP, 480V 50HP, 600V 50HP; 1-Phase 120V 5HP, 240V 15HP  

Rated Insulation Voltage

750   V

Installation Mounting

Panel Mount  

Product Weight

0.88   lb

Product Width

2.76   in

Product Length

3.94   in

Product Height

2.62   in

Sell Pack Quantity

1   Each

Sell Pack Weight

0.92   lb

Sell Pack Width

3.19   in

Sell Pack Length

3.11   in

Sell Pack Height

4.41   in