Auxiliary Contacts

Looking to expand the functionality of your existing contactors or motor starters? Our selection of Auxiliary Contacts offers simple, cost-effective add-ons for status indication, interlocking, and circuit logic.

These factory-new auxiliary contact blocks are compatible with popular contactor series from brands like Allen Bradley, Eaton, and Sprecher + Schuh. Choose from front or side-mount options, multiple contact configurations, and snap-on designs for quick, tool-free installation.

  • Available in 1NO, 1NC, 2NO/2NC and mixed configurations
  • Enhances safety and control logic in motor circuits
  • UL recognized and built for long-cycle performance

Browse our in-stock Auxiliary Contacts now and get fast shipping and expert assistance for your application.

  • Siemens 3RH1911-1HA01 auxiliary contact

    3RH1911-1HA01

    Siemens 3RH1911-1HA01 single pole auxiliary contact block with one normally closed (N.C.) for front mounting on Sirius size S00 (3RT1015, 3RT1016, 3RT1017) contactors. This auxiliary comes with screw...

    $0.00
  • Siemens 3RH1911-1HA12 auxiliary contact

    3RH1911-1HA12

    Siemens 3RH1911-1HA12 3-pole auxiliary contact block with one normally open (N.O.) and two normally closed (N.C.) for front mounting on Sirius size S00 (3RT1015, 3RT1016, 3RT1017) contactors. This...

    $0.00
  • Siemens 3RH1921-1HA13 auxiliary contact

    3RH1921-1HA13

    Siemens 3RH1921-1HA13 front mounted auxiliary contact comes with 1 normally open and 3 normally closed auxiliaries, screw terminals and mounts to any Siemens 3RT1 Size S0, S2, or S3 3 pole contactor...

    MSRP: $47.50
    $28.09
    Add to Cart
  • 49ACR6

    49ACR6

    Siemens / Furnas 49ACR6 2 pole auxiliary contact with 1 normally open and 1 normally closed contact. For use with the 42AF, 42BF, 42CF and 42DF frame sizes of Furnas Class 42 Definite Purpose...

    $0.00
  • 49ACR7

    49ACR7

    Siemens / Furnas 49ACR7 2 pole auxiliary contact with 2 normally open contacts. For use with the 42AF, 42BF, 42CF and 42DF frame sizes of Furnas Class 42 Definite Purpose contactors.

    $0.00
  • 49ACR8

    49ACR8

    Siemens / Furnas 49ACR8 2 pole auxiliary contact with 2 normally closed contacts. For use with the 42AF, 42BF, 42CF and 42DF frame sizes of Furnas Class 42 Definite Purpose contactors.

    $0.00
  • 49ACRC

    49ACRC

    Siemens / Furnas 49ACRC 1 pole auxiliary contact with 1 normally closed contacts. For use with the 42AF, 42BF, 42CF and 42DF frame sizes of Furnas Class 42 Definite Purpose contactors.

    $0.00