text.skipToContent text.skipToNavigation

100A 3 Pole 4 Wire Non-Fusible Mechanical Interlock

PS4100MIR7W Pass and Seymour
  • bvseo_sdk, java_sdk, bvseo-4.0.0
  • CLOUD, getAggregateRating, 89ms
  • bvseo-msg: The resource to the URL or file is currently unavailable.;

Triple pole, Four wire, Non-Fusible Mechanical Interlock Receptacle. 100 amp, 3, 480 vac.
  • Send
  • Save as PDF
  • Add to favorites"> Remove from favorites
    Add to favorites Remove from favorites


  • 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
Technical Information
Phase 3
Number of Wires 4
Amperage 100 A
Number of Poles 3-Way
Wire Size 2Awg
Voltage 480 V


  • bvseo_sdk, java_sdk, bvseo-4.0.0
  • CLOUD, getReviews, 3ms
  • bvseo-msg: The resource to the URL or file is currently unavailable.;

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
  • y_2023, m_12, d_7, h_9CST
  • bvseo_bulk, prod_bvqa, vn_bulk_3.0.37
  • cp_1, bvpage1
  • co_hasquestionsanswers, tq_2
  • loc_en_US, sid_PS4100MIR7W, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_legrand
  • bvseo_sdk, java_sdk, bvseo-4.0.0
  • CLOUD, getContent, 40ms