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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.

    • XTMCXFA04
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      Eaton, Cutler Hammer

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      sku: 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
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      Eaton, Cutler Hammer

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      sku: 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
    • XTMCXFA22
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      Eaton, Cutler Hammer

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      sku: 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
    • Siemens 3RH2911-1HA13 auxiliary
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      Siemens

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      sku: 3RH2911-1HA13

      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
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      Square D, Telemecanique

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      sku: LADN13

      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
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      Eaton, Cutler Hammer

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      sku: 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
    • Siemens 3RH1911-1FA22 auxiliary contact
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      Siemens

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      sku: 3RH1911-1FA22

      3RH1911-1FA22

      Siemens 3RH1911-1FA22 4-pole auxiliary contact block with two normally open (N.O.) and two 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 3RH1921-1EA20 auxiliary contact
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      Siemens

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      sku: 3RH19211EA20

      3RH1921-1EA20

      Siemens 3RH1921 side mounted auxiliary contact block Siemens 3RH1921-1EA20 side mounted auxiliary contact with 2 N.O. contact set. For use with the Siemens Sirius 3RT1 line of IEC rated contactors from sizes S0-S12. Click here to view a PDF file of this...

      MSRP: $25.50
      $17.37
      Add to Cart
    • Schneider Electric LADN40 auxiliary contact
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      Square D, Telemecanique

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      sku: LADN40

      LADN40

      Schneider Electric LADN40 four pole auxiliary contact block with 4 normally open 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 CAD50...

      MSRP: $41.50
      $22.21
      Add to Cart
    • Siemens 3RH1911-1FA11 auxiliary contact
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      Siemens

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      sku: 3RH1911-1FA11

      3RH1911-1FA11

      Siemens 3RH1911-1FA11 2-pole auxiliary contact block with one normally open (N.O.) and 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...

      $0.00
    • Siemens 3RH1911-1HA22 auxiliary contact
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      Siemens

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      sku: 3RH1911-1HA22

      3RH1911-1HA22

      Siemens 3RH1911-1HA22 4-pole auxiliary contact block with two normally open (N.O.) and two 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
    • BFX1020
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      Lovato Electric

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      sku: BFX1020

      BFX1020

      Lovato BFX1020 IEC rated 2-pole auxiliary contact with 2 normally open (N.O.) contacts and screw terminals. For front center mounting on BF09, BF12, BF18, BF25, BF32 AND BF38 contactors for additional 2 N.O. contacts. When the BFX1020 is added BF...

      MSRP: $24.43
      $19.10
      Add to Cart
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