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.

  • Schneider Electric LADN04 auxiliary contact

    LADN04

    Schneider Electric LADN04 four pole auxiliary contact block with 4 normally closed contacts. This front mounted auxiliary contact block snaps onto any LC1D09 through LC1D95 3 pole contactor, LC1DT20 through LC1DT40 4 pole contactor and CAD32 through...

    MSRP: $41.50
    $22.21
    Add to Cart
  • XTMCXFA22

    XTMCXFA22

    EATON XTMCXFA22 4 pole top mounted auxiliary contact block with 2 N.O. and 2 N.C. contacts. Click here to view a PDF file of this EATON XTMCX auxiliary contact The EATON line of XTMCXFA auxiliaries come in 2-pole and 4-pole variations. All possible...

    MSRP: $42.75
    $18.51
    Add to Cart
  • Lovato 11BGX1002 contactor Lovato 11BGX1002 dimensions

    11BGX1002

    The Lovato BGX1002 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 two normally closed auxiliaries that can be added to the BG06,...

    MSRP: $14.90
    $13.92
    Add to Cart
  • Eaton/Moeller 20DILE auxiliary contact Eaton/Moeller 20DILE dimensions

    20DILE

    Eaton/Moeller 20DILE front mounted auxiliary contact block with 2 normally open contacts (N.O.) 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
  • Eaton / Moeller DILM150-XHI20 auxiliary

    DILM150-XHI20

    Eaton / Moeller DILM150-XHI20 two-pole auxiliary contact block with 2 normally open contacts and screw terminals. This front mounted auxiliary snaps onto any Moeller DILM contactor (from 40 to 150 AMPS) and Eaton XTCE contactors up to frame G and...

    MSRP: $52.00
    $17.20
    Add to Cart
  • XTMCXFA04

    XTMCXFA04

    EATON XTMCXFA04 4 pole top mounted auxiliary contact block with 4 N.C. contacts. Click here to view a PDF file of this EATON XTMCX auxiliary contact The EATON line of XTMCXFA auxiliaries come in 2-pole and 4-pole variations. All possible electrical...

    MSRP: $42.75
    $18.51
    Add to Cart
  • XTMCXFA11

    XTMCXFA11

    EATON XTMCXFA11 2 pole top mounted auxiliary contact block with 1 N.O. and 1 N.C. contacts. Click here to view a PDF file of this EATON XTMCX auxiliary contact The EATON line of XTMCXFA auxiliaries come in 2-pole and 4-pole variations. All possible...

    MSRP: $24.50
    $10.68
    Add to Cart
  • Siemens 3RH2911-1HA13 auxiliary

    3RH2911-1HA13

    Siemens 3RH2911-1HA13 four pole front mounted auxiliary switch block with 1 normally open (N.O.) and 3 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
  • Schneider Electric LADN13 auxiliary contact

    LADN13

    Schneider Electric LADN13 four pole auxiliary contact block with 1 normally open and 3 normally closed contacts. This front mounted auxiliary contact block snaps onto any LC1D09 through LC1D95 3 pole contactor, LC1DT20 through LC1DT40 4 pole contactor...

    MSRP: $41.50
    $22.21
    Add to Cart
  • XTMCXFA13

    XTMCXFA13

    EATON XTMCXFA13 4 pole top mounted auxiliary contact block with 1 N.O. and 3 N.C. contacts. Click here to view a PDF file of this EATON XTMCX auxiliary contact The EATON line of XTMCXFA auxiliaries come in 2-pole and 4-pole variations. All possible...

    MSRP: $42.75
    $18.51
    Add to Cart
  • Allen Bradley 100-FA04 auxiliary contact Allen Bradley 100-FA04 side label

    100-FA04

    The Allen Bradley 100-FA04 is a front mounted, four pole auxiliary contact with 4 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: $62.14
    $36.32
    Add to Cart