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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.

    • Siemens 3RH2921-1DA11 auxiliary
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      Siemens

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      sku: 3RH2921-1DA11

      3RH2921-1DA11

      Siemens 3RH2921-1DA11 two pole side mounted auxiliary switch block with 1 normally open (N.O.) and 1 normally closed contacts. This Siemens Sirius auxiliary comes with screw terminals and can be installed on any size S0 (3RT2023 through 3RT2028) and Size...

      MSRP: $38.00
      $16.03
      Add to Cart
    • Benshaw RSC-A2 front mounted auxiliary contact
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      Benshaw

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      sku: RSC-A2

      RSC-A2

      BENSHAW AUXILIARY CONTACT - TOP MOUNT - 1 N.O. & 1 N.C - FOR CONTACTORS RSC9-RSC85 Click here to view a PDF file for the Benshaw series of auxiliary contacts Benshaw contactors are used for controlling single and three phase motors and for...

      MSRP: $42.00
      $20.23
      Add to Cart
    • Siemens 3RH1921-1EA11 auxiliary contact
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      Siemens

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      sku: 3RH19211EA11

      3RH1921-1EA11

      Siemens 3RH1921 side mounted auxiliary contact block Siemens 3RH1921-1EA11 side mounted auxiliary contact with 1 N.O. and 1 N.C. contact set. For use with the Siemens Sirius 3RT1 line of IEC rated contactors from sizes S0-S12. Click here to view a PDF...

      MSRP: $25.50
      $17.37
      Add to Cart
    • Schneider Electric LAD8N20 auxiliary contact
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      Square D, Telemecanique

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      sku: LAD8N20

      LAD8N20

      The Schneider Electric LAD8N20 is a two pole, side mounted auxiliary contact that has 2 normally open auxiliary contacts.  This IEC rated auxiliary snaps onto the side of any TeSys LC1D contactor from 9 to 150 AMPS and two can be added per...

      MSRP: $20.70
      $14.88
      Add to Cart
    • Siemens 3RH2921-1DA02 auxiliary
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      Siemens

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      sku: 3RH2921-1DA02

      3RH2921-1DA02

      Siemens 3RH2921-1DA02 two pole side mounted auxiliary switch block with 2 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: $38.00
      $16.03
      Add to Cart
    • Schneider Electric LADN02 auxiliary contact
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      Square D, Telemecanique

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      sku: LADN02

      LADN02

      Schneider Electric LADN02 two pole auxiliary contact block with 2 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 CAD50...

      MSRP: $20.70
      $12.21
      Add to Cart
    • Siemens 3RH1921-1EA02 auxiliary contact
      Quick view

      Siemens

      |

      sku: 3RH19211EA02

      3RH1921-1EA02

      Siemens 3RH1921 side mounted auxiliary contact block Siemens 3RH1921-1EA02 side mounted auxiliary contact with 2 N.C. 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
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