Contactor Parts

Contactors, Coupling Relays and Interface Converters

We offer a wide variety of coupling relays and interface converters for the galvanic isolation of I/O and PLC inputs/outputs, signal amplification or duplication as well as conversion to different voltage levels or signal forms.

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  1. Siemens Controls - Aux Switch 3RH1921-1FA31
    Siemens SIEMENS AUX SWITCH BLOCKS 3RH1921-1FA31 Learn More
  2. Siemens Controls - Aux Switch 3RH1921-1HA22
    Siemens Contactor AUX SWITCH BLOCKS 3RH1921-1HA22 Learn More
  3. Siemens Controls - Aux Switch- 3RH1921-1LA11 (Refurb)
    Siemens SIEMENS AUX SWITCH BLOCKS 3RH1921-1LA11 Learn More
  4. Siemens Controls - Link Module 3RA1921-1DA00
    Siemens SIEMENS LINK MODULE 3RA1921-1DA00 Learn More
  5. Siemens Controls - S0 SIRIUS CONTACTORS- 3RT1026-1BB40 (Used)
    Siemens Contactor 3RT1026-1BB40 - RESI REPLACEMENT PARTS FOR ITESA II PROD Learn More
  6. Siemens Controls - S2 SIRIUS CONTACTORS - 3RT1535-1AK60
    Siemens Contactor Meter Enclosures 3RT1535-1AK60 Learn More
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