100-M05N31 Contactor

The Allen-Bradley 100-M05N31 is a Bulletin 100-M series IEC Mini Contactor, a compact electromechanical switching device designed for industrial motor control and automation applications. Featuring a 3-pole main contact configuration with 1 normally closed (1-NC) auxiliary contact, this 45mm-wide miniature contactor is engineered for panel-space-constrained industrial control systems, providing reliable AC/DC coil-operated switching for motors and other electrical loads.

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Key Features & Benefits

  • Compact Miniature Design: At only 45mm wide, this mini-contactor requires significantly less panel space and depth than standard IEC contactors, ideal for space-constrained control panel designs.
  • 3-Pole, 1-NC Configuration: Provides 3 normally open (N.O.) main power poles for motor/load switching, plus 1 normally closed (N.C.) auxiliary contact for control circuit feedback.
  • Flexible Voltage/Coil Options: The catalog number requires a voltage suffix code to complete the specification (e.g., becomes 100-M05ND31 for a specific coil voltage), supporting both AC and DC operating coils.
  • AC-3 Motor Switching Rating: Rated for AC-3 duty (motor starting/running current switching) — for example, common variants are rated 2.5kW at 400V.
  • Expandable Auxiliary Contacts: Available with 2- and 4-pole adder decks, allowing configuration flexibility for additional auxiliary contact requirements.
  • UL Listed / CSA Certified: Meets UL 508 and CSA 22.2 No. 14 industrial safety and performance standards, ensuring compliance for North American industrial deployments.

Technical Specifications

Attribute Details
Model / Part Number 100-M05N31 (base catalog number; requires voltage suffix, e.g., 100-M05ND31)
Manufacturer Allen-Bradley (Rockwell Automation)
Component Type IEC Miniature Contactor
Series Bulletin 100-M
Poles 3 (Main), 1-NC (Auxiliary)
Width 45 mm
AC-3 Rating (example) 2.5 kW at 400V (110V coil variant)
Certification UL Listed, CSA Certified
Application Industrial Motor Control / Automation

 

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