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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.

    • Lovato 11BGX1022 contactor Lovato 11BGX1022 dimensions
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      Lovato Electric

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      sku: 11BGX1022

      11BGX1022

      The Lovato BGX1022 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 two normally open and two normally closed auxiliaries that can...

      MSRP: $25.98
      $24.27
      Add to Cart
    • Lovato 11BGX1040 contactor Lovato 11BGX1040 dimensions
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      Lovato Electric

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      sku: 11BGX1040

      11BGX1040

      The Lovato BGX1040 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 open auxiliaries that can be added to the BG06,...

      MSRP: $25.98
      $24.27
      Add to Cart
    • Siemens 3RH1911-1FA02 auxiliary contact
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      Siemens

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      sku: 3RH1911-1FA02

      3RH1911-1FA02

      Siemens 3RH1911-1FA02 2-pole auxiliary contact block with 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 mounted per contactor but...

      $0.00
    • Siemens 3RH1911-1FA20 auxiliary contact
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      Siemens

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      sku: 3RH1911-1FA20

      3RH1911-1FA20

      Siemens 3RH1911-1FA20 2-pole auxiliary contact block with two 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 3RH1911-1FA31 auxiliary contact
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      Siemens

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      sku: 3RH1911-1FA31

      3RH1911-1FA31

      Siemens 3RH1911-1FA31 4-pole auxiliary contact block with three 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 3RH2911-1FA04 auxiliary
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      Siemens

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      sku: 3RH2911-1FA04

      3RH2911-1FA04

      Siemens 3RH2911-1FA04 four pole front mounted auxiliary switch block with 4 normally closed (N.C.) contacts. This Siemens Sirius auxiliary comes with screw terminals and can be installed on any size S00 (3RT2015 through 3RT2018), S0 (3RT2023 through...

      MSRP: $42.00
      $18.52
      Add to Cart
    • Siemens 3RH2911-1HA20 auxiliary
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      Siemens

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      sku: 3RH2911-1HA20

      3RH2911-1HA20

      Siemens 3RH2911-1HA20 two pole front mounted auxiliary switch block with 2 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: $17.80
      $11.72
      Add to Cart
    • Lovato 11BGX1020 contactor Lovato 11BGX1020 dimensions
      Quick view

      Lovato Electric

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      sku: 11BGX1020

      11BGX1020

      The Lovato BGX1020 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 open auxiliaries that can be added to the BG06,...

      MSRP: $14.90
      $13.92
      Add to Cart
    • Siemens 3RH2911-1FA40 auxiliary
      Quick view

      Siemens

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      sku: 3RH2911-1FA40

      3RH2911-1FA40

      Siemens 3RH2911-1FA40 four pole front mounted auxiliary switch block with 4 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: $42.00
      $18.52
      Add to Cart
    • Siemens 3RH2911-1GA13 auxiliary
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      Siemens

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      sku: 3RH2911-1GA13

      3RH2911-1GA13

      Siemens 3RH2911-1GA13 four pole auxiliary contact block with 1 normally open (N.O.) and 3 normally closed contacts.  This Siemens Sirius auxiliary mounts to the front of any 3RH2122, 3RH2131 or 3RH2140 four pole industrial control relay and provides...

      MSRP: $42.00
      $18.52
      Add to Cart
    • Siemens 3RH2911-1GA22 auxiliary
      Quick view

      Siemens

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      sku: 3RH2911-1GA22

      3RH2911-1GA22

      Siemens 3RH2911-1GA22 four pole auxiliary contact block with 2 normally open (N.O.) and 2 normally closed contacts.  This Siemens Sirius auxiliary mounts to the front of any 3RH2122, 3RH2131 or 3RH2140 four pole industrial control relay and provides...

      MSRP: $42.00
      $18.52
      Add to Cart
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