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 3RH2911-1DA02 auxiliary

    3RH2911-1DA02

    Siemens 3RH2911-1DA02 two pole side mounted auxiliary switch block with 2 normally closed (N.C.) contacts. This Siemens Sirius auxiliary comes with screw terminals and can be installed on any size S00 (3RT2015 through 3RT2018) contactor.  Only one...

    MSRP: $38.00
    $16.03
    Add to Cart
  • Eaton/Moeller 04DILE auxiliary contact

    40DILE

    Eaton/Moeller 40DILE front mounted auxiliary contact block with 4 normally open contacts (N.O.) and screw terminals.  This four pole auxiliary contact snaps on to the front of any DILEM miniature contactor or DILER miniature control relay and only...

    MSRP: $64.00
    $21.17
    Add to Cart
  • XTCEXFDC22

    XTCEXFDC22

    EATON XTCEXFDC22 4 pole, top mounted auxiliary contact block with 2 N.O. and 2 N.C. contacts. For use on the EATON XTCE007B10, XTCE009B10, XTCE012B10, XTCE018C10, XTCE025C10 and XTCE032C10 contactors. Click here to view a PDF file of this EATON XTCEX...

    MSRP: $66.50
    $24.44
    Add to Cart
  • Allen Bradley 100-FA02 auxiliary contact Allen Bradley 100-FA02 side label

    100-FA02

    The Allen Bradley 100-FA02 is a front mounted, two pole auxiliary contact with 2 normally closed contacts.  With screw terminals and snap on installation, this contact block easily installs onto any AB 100-C series contactor for quick installation...

    MSRP: $31.49
    $18.16
    Add to Cart
  • Siemens 3RH2911-1DA20 auxiliary

    3RH2911-1DA20

    Siemens 3RH2911-1DA20 two pole side mounted auxiliary switch block with 2 normally open (N.O.) contacts. This Siemens Sirius auxiliary comes with screw terminals and can be installed on any size S00 (3RT2015 through 3RT2018) contactor.  Only one...

    MSRP: $38.00
    $16.03
    Add to Cart
  • Allen Bradley 100-FA40 auxiliary contact Allen Bradley 100-FA40 side label

    100-FA40

    The Allen Bradley 100-FA40 is a front mounted, four pole auxiliary contact with 4 normally open.  With screw terminals and snap on installation, this contact block easily installs onto any AB 100-C series contactor for quick installation and removal...

    MSRP: $62.14
    $36.32
    Add to Cart
  • Lovato 11BGX1011 contactor Lovato 11BGX1011 dimensions

    11BGX1011

    The Lovato BGX1011 is a two pole, front mounted auxiliary that installs onto any BG series contactor from 6 to 12 AMPS and comes with screw terminals.  This Lovato auxiliary contact has one normally open and one normally closed auxiliaries that can...

    MSRP: $14.90
    $13.92
    Add to Cart
  • Siemens 3RH2911-1FA22 auxiliary

    3RH2911-1FA22

    Siemens 3RH2911-1FA22 four pole front mounted auxiliary switch block with 2 normally open (N.O.) and 2 normally closed (N.C.) contacts. This Siemens Sirius auxiliary comes with screw terminals and can be installed on any size S00 (3RT2015 through...

    MSRP: $42.00
    $18.52
    Add to Cart
  • Lovato 11BGX1022 contactor Lovato 11BGX1022 dimensions

    11BGX1022

    The Lovato BGX1022 is a four pole, front mounted auxiliary that installs onto any BG series contactor from 6 to 12 AMPS and comes with screw terminals.  This Lovato auxiliary contact has two normally open and two normally closed auxiliaries that can...

    MSRP: $25.98
    $24.27
    Add to Cart