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    • 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.

    • Allen Bradley 100-FA31 auxiliary contact Allen Bradley 100-FA31 side label
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      Allen Bradley

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      sku: 100-FA31

      100-FA31

      The Allen Bradley 100-FA31 is a front mounted, four pole auxiliary contact with 3 normally open and 1 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
    • Lovato G48430 auxiliary contact Lovato G48430 dimensions
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      Lovato Electric

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      sku: 11G48430

      11G48430

      The Lovato G48430 is a three pole auxiliary contact block that has 3 normally open 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
    • Eaton/Moeller 31DILE auxiliary contact Eaton/Moeller 31DILE dimensions
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      Moeller Electric

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      sku: 31DILE

      31DILE

      Eaton/Moeller 31DILE front mounted auxiliary contact block with 3 normally open (N.O.) and 1 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 3RH1911-1HA13 auxiliary contact
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      Siemens

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      sku: 3RH1911-1HA13

      3RH1911-1HA13

      Siemens 3RH1911-1HA13 4-pole auxiliary contact block with one normally open (N.O.) and three 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...

      $0.00
    • Siemens 3RH1921-1HA31 auxiliary contact
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      Siemens

      3RH1921-1HA31

      Siemens 3RH1921-1HA31 front mounted auxiliary contact comes with 3 normally open and 1 normally closed auxiliaries, screw terminals and mounts to any Siemens 3RT1 Size S0, S2, or S3 3 pole contactor.  This four pole contact block snaps onto the...

      MSRP: $47.50
      $28.09
      Add to Cart
    • Siemens 3RH2911-1HA30 auxiliary
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      Siemens

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      sku: 3RH2911-1HA30

      3RH2911-1HA30

      Siemens 3RH2911-1HA30 three pole front mounted auxiliary switch block with 3 normally open (N.O.) contacts. This Siemens Sirius auxiliary comes with screw terminals and can be installed on any size S00 (3RT2015 through 3RT2018), S0 (3RT2023 through...

      MSRP: $32.00
      $16.03
      Add to Cart
    • Siemens 3RH2911-1HA31 auxiliary
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      Siemens

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      sku: 3RH2911-1HA31

      3RH2911-1HA31

      Siemens 3RH2911-1HA31 four pole front mounted auxiliary switch block with 3 normally open (N.O.) and 1 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
    • C320KG5 C320KG5
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      Eaton, Cutler Hammer

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      sku: C320KG5 Series A2

      C320KG5

      Eaton / Cutler Hammer C320KG5 Series A2 two pole side mounted auxiliary contact with 2 N.C. contacts. Fits all C25D Definite Purpose contactors from 15 A up to 75A. Click here to view a PDF file of this Cutler Hammer Auxiliary contactSpend $100 on any...

      MSRP: $104.19
      $37.50
      Add to Cart
    • XTCEXFBLG22
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      Eaton, Cutler Hammer

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      sku: DILM150-XHIV22

      XTCEXFBLG22

      EATON XTCEXFCLC22 4 pole, top mounted auxiliary contact block with 1 E.M. and 1 L.B. contacts and 1 N.O. and 1 N.C. contacts. For use on the EATON XTCE040D10 - XTCE150G contactors. Click here to view a PDF file of this EATON XTCEX Auxiliary contact block...

      MSRP: $66.50
      $24.44
      Add to Cart
    • XTMCXFA02
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      Eaton, Cutler Hammer

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      sku: XTMCXFA02

      XTMCXFA02

      EATON XTMCXFA02 2 pole top mounted auxiliary contact block with 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 electrical...

      MSRP: $24.50
      $10.68
      Add to Cart
    • Eaton/Moeller 02DILE auxiliary contact Eaton/Moeller 02DILE dimensions
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      Moeller Electric

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      sku: 02DILE

      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-FA02 auxiliary contact Allen Bradley 100-FA02 side label
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      Allen Bradley

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      sku: 100-FA02

      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
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