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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.

    • 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
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      Siemens

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      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
    • Eaton XTCEXFAC11 Auxiliary Contact
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      Eaton, Cutler Hammer

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      sku: DILA-XHI11 1

      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
    • Moeller DILM32-XHI11 auxiliary contact
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      Moeller Electric

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      sku: DILM32-XHI11

      DILM32-XHI11

      Eaton / Moeller DILM32-XHI11 two-pole auxiliary contact block with 3 normally open and 1 normally closed contacts and screw terminals. This front mounted auxiliary snaps onto any DILM contactor (up to 32 AMPS) and Eaton XTCE contactors up to frame C and...

      MSRP: $52.00
      $17.20
      Add to Cart
    • XTCEXFDC11
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      Eaton, Cutler Hammer

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      sku: DILM32-XHI11 1

      XTCEXFDC11

      EATON XTCEXFAC11 2 pole, top mounted auxiliary contact block with 1 N.O. and 1 N.C. contacts. For use on the EATON XTCE007B10, XTCE009B10, XTCE012B10, XTCE018C10, XTCE025C10 and XTCE032C10 contactors. Click here to view a PDF file of this EATON XTCEX...

      MSRP: $38.50
      $14.15
      Add to Cart
    • Siemens 3RH1921-1CA01 auxiliary contact
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      Siemens

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      sku: 3RH19211CA01

      3RH1921-1CA01

      Siemens 3RH1921-1CA01 1-pole front mounted auxiliary contact block with 1 N.C. contact. This Siemens auxiliary contact can be installed on any size S0 (3RT102), S2 (3RT103), S3 (3RT104) or S6 (3RT105) three and four pole contactors.  The...

      MSRP: $14.85
      $10.75
      Add to Cart
    • Siemens 3RH1921-1HA22 auxiliary contact
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      Siemens

      3RH1921-1HA22

      Siemens 3RH1921-1HA22 front mounted auxiliary contact comes with 2 normally open and 2 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
    • Eaton/Moeller 04DILE auxiliary contact Eaton/Moeller 04DILE dimensions
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      Moeller Electric

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      sku: 04DILE

      04DILE

      Eaton/Moeller 04DILE front mounted auxiliary contact block with 4 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 miniature control relay and only...

      MSRP: $64.00
      $21.17
      Add to Cart
    • Siemens 3RH1921-1FA22 auxiliary contact
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      Siemens

      3RH1921-1FA22

      Siemens 3RH1921-1FA22 front mounted auxiliary contact comes with 2 normally open and 2 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 3RH2921-1DA20 auxiliary
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      Siemens

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      sku: 3RH2921-1DA20

      3RH2921-1DA20

      Siemens 3RH2921-1DA20 two pole side 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 S0 (3RT2023 through 3RT2028) and Size S2 (3RT2035 through...

      MSRP: $38.00
      $16.03
      Add to Cart
    • XTMCXFA40
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      Eaton, Cutler Hammer

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      sku: XTMCXFA40

      XTMCXFA40

      EATON XTMCXFA40 4 pole top mounted auxiliary contact block with 4 N.O. 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
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