In Stock Industrial Automation Parts   |   Fast Shipping Across USA

Contactors

Industrial Contactors (Motor Switching Components)

Industrial contactors are used to switch and control electric motors and power circuits in automation panels, MCCs, and OEM machinery. They are a core component in many industrial control systems because they provide reliable on/off control for motor loads while supporting integration with control logic, overload protection, and auxiliary signaling. Contactors are commonly found in applications such as pumps, fans, conveyors, compressors, material handling equipment, and general-purpose industrial machines.

This category includes refurbished contactors used for maintenance replacement and spare inventory. Refurbished motor control components help keep installed equipment running without costly redesign and reduce downtime when a replacement is needed quickly. When selecting a contactor, it’s important to confirm electrical ratings and configuration details to ensure proper fit and reliable operation in your existing system.

What to verify when choosing a contactor

  • Coil voltage and control circuit requirements
  • Line voltage and application voltage
  • Poles and contact configuration
  • Current rating and motor load requirements
  • Auxiliary contacts needed for feedback/interlocks

Shop by series

Related categories

If you’re replacing a contactor in an existing control panel, matching the original manufacturer part number is often the fastest way to ensure compatibility. For best results, confirm your voltage ratings and configuration before installation.

  • Siemens WSACDSSRV4-200 (Refurbished)

    Siemens

    Siemens WSACDSSRV4-200 (Refurbished)

    About Siemens WSACDSSRV4-200The Siemens component with manufacturer part number WSACDSSRV4-200 is an industrial automation product categorized under Siemens Contactors.Product HighlightsBrand: SiemensMPN: WSACDSSRV4-200Category: Siemens...

    $0.00
    Ask for Quote
  • Siemens WSACDSSRV4-200 (New Surplus)

    Siemens

    Siemens WSACDSSRV4-200 (New Surplus)

    About Siemens WSACDSSRV4-200The Siemens component with manufacturer part number WSACDSSRV4-200 is an industrial automation product categorized under Siemens Contactors.Product HighlightsBrand: SiemensMPN: WSACDSSRV4-200Category: Siemens...

    $0.00
    Ask for Quote
  • Siemens WSACDSSRV4-25 (New Surplus)

    Siemens

    Siemens WSACDSSRV4-25 (New Surplus)

    About Siemens WSACDSSRV4-25The Siemens component with manufacturer part number WSACDSSRV4-25 is an industrial automation product categorized under Siemens Contactors.Product HighlightsBrand: SiemensMPN: WSACDSSRV4-25Category: Siemens ContactorsCondition:...

    $0.00
    Ask for Quote
  • Siemens WSACDSSRV4-50 (Refurbished)

    Siemens

    Siemens WSACDSSRV4-50 (Refurbished)

    About Siemens WSACDSSRV4-50The Siemens component with manufacturer part number WSACDSSRV4-50 is an industrial automation product categorized under Siemens Contactors.Product HighlightsBrand: SiemensMPN: WSACDSSRV4-50Category: Siemens ContactorsCondition:...

    $0.00
    Ask for Quote
  • Siemens WSACDSSRV4-75 (New Surplus)

    Siemens

    Siemens WSACDSSRV4-75 (New Surplus)

    About Siemens WSACDSSRV4-75The Siemens component with manufacturer part number WSACDSSRV4-75 is an industrial automation product categorized under Siemens Contactors.Product HighlightsBrand: SiemensMPN: WSACDSSRV4-75Category: Siemens ContactorsCondition:...

    $0.00
    Ask for Quote
  • Siemens WSACDSSRV4-100 (Refurbished)

    Siemens

    Siemens WSACDSSRV4-100 (Refurbished)

    About Siemens WSACDSSRV4-100The Siemens component with manufacturer part number WSACDSSRV4-100 is an industrial automation product categorized under Siemens Contactors.Product HighlightsBrand: SiemensMPN: WSACDSSRV4-100Category: Siemens...

    $0.00
    Ask for Quote
  • Siemens WSACDSSRV4-100 (New Surplus)

    Siemens

    Siemens WSACDSSRV4-100 (New Surplus)

    About Siemens WSACDSSRV4-100The Siemens component with manufacturer part number WSACDSSRV4-100 is an industrial automation product categorized under Siemens Contactors.Product HighlightsBrand: SiemensMPN: WSACDSSRV4-100Category: Siemens...

    $0.00
    Ask for Quote
  • Siemens WSACDSSRV4-50 (New Surplus)
    In Stock

    Siemens

    Siemens WSACDSSRV4-50 (New Surplus)

    About Siemens WSACDSSRV4-50The Siemens component with manufacturer part number WSACDSSRV4-50 is an industrial automation product categorized under Siemens Contactors.Product HighlightsBrand: SiemensMPN: WSACDSSRV4-50Category: Siemens ContactorsCondition:...

    $0.00
    Buy Now
  • Siemens WS5-2301P (New Surplus)
    In Stock

    Siemens

    Siemens WS5-2301P (New Surplus)

    About Siemens WS5-2301PThe Siemens component with manufacturer part number WS5-2301P is an industrial automation product categorized under Siemens Contactors.Product HighlightsBrand: SiemensMPN: WS5-2301PCategory: Siemens ContactorsCondition: New...

    $1,496.26
    Buy Now
  • Siemens WSACDSSRV4-300 (Refurbished)

    Siemens

    Siemens WSACDSSRV4-300 (Refurbished)

    About Siemens WSACDSSRV4-300The Siemens component with manufacturer part number WSACDSSRV4-300 is an industrial automation product categorized under Siemens Contactors.Product HighlightsBrand: SiemensMPN: WSACDSSRV4-300Category: Siemens...

    $0.00
    Ask for Quote
  • Siemens WSACDSSRV4-75 (Refurbished)

    Siemens

    Siemens WSACDSSRV4-75 (Refurbished)

    About Siemens WSACDSSRV4-75The Siemens component with manufacturer part number WSACDSSRV4-75 is an industrial automation product categorized under Siemens Contactors.Product HighlightsBrand: SiemensMPN: WSACDSSRV4-75Category: Siemens ContactorsCondition:...

    $0.00
    Ask for Quote
  • Siemens WSACDSSRV4-400 (New Surplus)

    Siemens

    Siemens WSACDSSRV4-400 (New Surplus)

    About Siemens WSACDSSRV4-400The Siemens component with manufacturer part number WSACDSSRV4-400 is an industrial automation product categorized under Siemens Contactors.Product HighlightsBrand: SiemensMPN: WSACDSSRV4-400Category: Siemens...

    $0.00
    Ask for Quote
Compare Selected