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 3RH2911-1HA10 auxiliary

    3RH2911-1HA10

    Siemens 3RH2911-1HA10 single pole front mounted auxiliary switch block with 1 normally open (N.O.) contact. This Siemens Sirius auxiliary comes with screw terminals and can be installed on any size S00 (3RT2015 through 3RT2018), S0 (3RT2023 through...

    MSRP: $15.35
    $8.68
    Add to Cart
  • Eaton XTCEXFAC11 Auxiliary Contact

    XTCEXFAC11

    Eaton XTCEXFAC11 two-pole auxiliary contact block with 1 normally open and 1 normally closed contacts and screw terminals. This front mounted auxiliary snaps onto any Eaton XTRE 4 pole relay or XTCE contactors up to frame C and comes with screw...

    MSRP: $38.50
    $14.15
    Add to Cart
  • XTMCXFA31

    XTMCXFA31

    EATON XTMCXFA31 4 pole top mounted auxiliary contact block with 3 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: $42.75
    $18.51
    Add to Cart
  • Allen Bradley 100-FA22 auxiliary contact Allen Bradley 100-FA22 side label

    100-FA22

    The Allen Bradley 100-FA22 is a front mounted, four pole auxiliary contact with 2 normally open and 2 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
  • BFX1011

    BFX1011

    Lovato BFX1011 IEC rated 2-pole auxiliary contact with 1 normally open (N.O.) and 1 normally closed (N.C.) contacts and screw terminals. For front center mounting on BF09, BF12, BF18, BF25, BF32 AND BF38 contactors for additional 1 N.O. and 1 N.C...

    MSRP: $15.11
    $12.82
    Add to Cart
  • 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
  • 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