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100A 3 Pole 4 Wire Non-Fusible Mechanical Interlock

PS4100MIR7W Pass and Seymour
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Triple pole, Four wire, Non-Fusible Mechanical Interlock Receptacle. 100 amp, 3, 480 vac.
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  • Top or Bottom feed.
  • Unit shipped with no holes drilled: a top and bottom feed spot drill is provided for locating hole saw or knockout.
  • End user decides at installation whether top or bottom feed is appropriate.
  • No closure plug kits required.


General Info
Product Line Pass & Seymour
Color Gray
UPC Number 785007015652
Country Of Origin United States
Application Sector Commercial
Standard UL Listed
Product Width US 9.13 in
Product Depth US 9.5 in
Product Height US 14.13 in
Technical Information
Phase Three
Number of Wires 4
Amperage 100 A
Number of Poles 3-Way
Wire Size 2 AWG
Voltage 480.0 V


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Questions & Answers

can i just order the disconnect cover for this? mine has a crack in it and Im trying not to replace the entire disconnect

Asked by: zach
Hi Zach, unfortunately the cap cannot be ordered separately. I apologize for any inconvenience.
Answered by: Wiremold Tech Support
Date published: 2023-06-29

Is this fit to be installed in hazardous location?DO you have an technical datasheet for reference to prove its conformance to be installed in a hazardous location.

Asked by: zuhair
Thank you for your question on Legrand 100A 3 Pole 4 Wire Non-Fusible Mechanical Interlock(Model # PS4100MIR7W). The Non-Fusible Pin & Sleeve Mechanical Interlock carries a NEMA 4X (watertight, hosedown), 12K (dusttight, falling dirt), IP67 suitability rating(Hazardous Location is not listed).
Answered by: Legrand Technical Support
Date published: 2018-05-09
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