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.

  • Eaton/Moeller 02DILE auxiliary contact Eaton/Moeller 02DILE dimensions

    02DILE

    Eaton/Moeller 02DILE front mounted auxiliary contact block with 2 normally closed contacts (N.C.) and screw terminals.  This two pole auxiliary contact snaps on to the front of any DILEM miniature contactor or DILER miniature control relay and only...

    MSRP: $40.00
    $13.23
    Add to Cart
  • Allen Bradley 100-FA13 auxiliary contact Allen Bradley 100-FA13 side label

    100-FA13

    The Allen Bradley 100-FA13 is a front mounted, four pole auxiliary contact with 1 normally open and 3 normally closed contacts.  With screw terminals and snap on installation, this contact block easily installs onto any AB 100-C series contactor for...

    MSRP: $62.14
    $36.32
    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 11BF5040 23060 contactor Lovato 11BF5040 23060 dimensions

    11BF5040 23060

    Lovato 11BF5040 4 pole contactor Lovato 11BF5040 23060 90 AMP - 4 pole contactor with a 230vAC coil4-TERMINAL COILConnecting cables can be coupled to the Lovato BF contactor coil both on the line and load ends of the contactor.MECHANICAL INTERLOCKSize 1...

    MSRP: $321.26
    $299.99
    Add to Cart
  • Lovato 11BGX1004 contactor Lovato 11BGX1004 dimensions

    11BGX1004

    The Lovato BGX1004 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 four normally closed auxiliaries that can be added to the...

    MSRP: $25.98
    $24.27
    Add to Cart
  • Lovato 11BGX1013 contactor Lovato 11BGX1013 dimensions

    11BGX1013

    The Lovato BGX1013 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 one normally open and three normally closed auxiliaries that...

    MSRP: $25.90
    $24.27
    Add to Cart
  • Lovato G48403 auxiliary contact Lovato G48403 dimensions

    11G48403

    The Lovato G48403 is a three pole auxiliary contact block that has 3 normally closed contacts and mounts to the front of any Lovato BF series contactor from 9 to 38 AMPS.  This auxiliary snaps onto the front of a BF09 through BF38 3 or 4 pole IEC...

    MSRP: $23.81
    $22.24
    Add to Cart
  • Lovato G48412 auxiliary contact Lovato G48412 dimensions

    11G48412

    The Lovato G48412 is a three pole auxiliary contact block that has 1 normally open and 2 normally closed contacts and mounts to the front of any Lovato BF series contactor from 9 to 38 AMPS.  This auxiliary snaps onto the front of a BF09 through...

    MSRP: $23.81
    $22.24
    Add to Cart
  • Lovato G48421 auxiliary contact Lovato G48421 dimensions

    11G48421

    The Lovato G48421 is a three pole auxiliary contact block that has 12 normally open and 1 normally closed contacts and mounts to the front of any Lovato BF series contactor from 9 to 38 AMPS.  This auxiliary snaps onto the front of a BF09 through...

    MSRP: $23.81
    $22.24
    Add to Cart
  • Eaton/Moeller 13DILE auxiliary contact Eaton/Moeller 13DILE dimensions

    13DILE

    Eaton/Moeller 13DILE front mounted auxiliary contact block with 1 normally open (N.O.) and 3 normally closed contacts (N.C.) and screw terminals.  This four pole auxiliary contact snaps on to the front of any DILEM miniature contactor or DILER...

    MSRP: $64.00
    $21.17
    Add to Cart
  • Siemens 3RH1911-1FA40 auxiliary contact

    3RH1911-1FA40

    Siemens 3RH1911-1FA40 4-pole auxiliary contact block with four normally open (N.O.) for front mounting on Sirius size S00 (3RT1015, 3RT1016, 3RT1017) contactors. This auxiliary comes with screw terminals and only 1 can be mounted per contactor but...

    $0.00
  • 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 terminals and only 1 can be mounted per contactor but...

    $0.00