In Stock Industrial Automation Parts   |   Fast Shipping Across USA

Control Relays

Control Relays for Industrial Automation

Control relays are used in industrial automation systems for switching, interlocks, signaling, and auxiliary control functions. They are commonly installed in control panels, OEM machinery, and industrial equipment where dependable logic switching and control circuit isolation are required.

Different control relay families support different contact arrangements, coil voltages, socket styles, and mounting methods. Organizing relays by series helps maintenance teams and engineers locate compatible replacements quickly and maintain consistency with installed panel designs. Whether you are replacing a failed relay or building out spare inventory, matching the correct relay family is important for reliable operation and easier maintenance.

Common applications

  • Interlocks and control circuit logic
  • Status signaling and pilot circuits
  • OEM machinery and industrial control panels
  • Auxiliary switching and interface functions
  • Maintenance replacement and spare inventory planning

Control relay families

Related categories

If you need help selecting the correct relay, confirm your coil voltage, contact arrangement, socket or mounting style, and any indicator or test-button requirements before installation.

  • Siemens T81S5D11112 (Refurbished)

    Siemens

    Siemens T81S5D11112 (Refurbished)

    About Siemens T81S5D11112The Siemens component with manufacturer part number T81S5D11112 is an industrial automation product categorized under Siemens Relays & Sockets.Product HighlightsBrand:...

    $0.00
    Ask for Quote
  • Siemens T81S5D11112 (New Surplus)

    Siemens

    Siemens T81S5D11112 (New Surplus)

    About Siemens T81S5D11112The Siemens component with manufacturer part number T81S5D11112 is an industrial automation product categorized under Siemens Relays & Sockets.Product HighlightsBrand:...

    $0.00
    Ask for Quote
  • Siemens T81H5D31224 (Refurbished)
    In Stock

    Siemens

    Siemens T81H5D31224 (Refurbished)

    About Siemens T81H5D31224The Siemens component with manufacturer part number T81H5D31224 is an industrial automation product categorized under Siemens Relays & Sockets.Product HighlightsBrand:...

    $0.00
    Buy Now
  • Siemens T81H5D31224 (New Surplus)
    In Stock

    Siemens

    Siemens T81H5D31224 (New Surplus)

    About Siemens T81H5D31224The Siemens component with manufacturer part number T81H5D31224 is an industrial automation product categorized under Siemens Relays & Sockets.Product HighlightsBrand:...

    $0.00
    Buy Now
  • Siemens T80 (Refurbished)

    Siemens

    Siemens T80 (Refurbished)

    About Siemens T80The Siemens component with manufacturer part number T80 is an industrial automation product categorized under Siemens Relays & Sockets.This unit is suitable for maintenance...

    $0.00
    Ask for Quote
  • Siemens T80 (New Surplus)
    In Stock

    Siemens

    Siemens T80 (New Surplus)

    About Siemens T80The Siemens component with manufacturer part number T80 is an industrial automation product categorized under Siemens Relays & Sockets.This unit is suitable for maintenance...

    $0.00
    Buy Now
  • Siemens T7NS5D118 (Refurbished)

    Siemens

    Siemens T7NS5D118 (Refurbished)

    About Siemens T7NS5D118The Siemens component with manufacturer part number T7NS5D118 is an industrial automation product categorized under Siemens Relays & Sockets.Product HighlightsBrand:...

    $0.00
    Ask for Quote
  • Siemens T7NS5D118 (New Surplus)
    In Stock

    Siemens

    Siemens T7NS5D118 (New Surplus)

    About Siemens T7NS5D118The Siemens component with manufacturer part number T7NS5D118 is an industrial automation product categorized under Siemens Relays & Sockets.Product HighlightsBrand:...

    $0.00
    Buy Now
  • Siemens T7NS5D105 (Refurbished)

    Siemens

    Siemens T7NS5D105 (Refurbished)

    About Siemens T7NS5D105The Siemens component with manufacturer part number T7NS5D105 is an industrial automation product categorized under Siemens Relays & Sockets.Product HighlightsBrand:...

    $0.00
    Ask for Quote
  • Siemens T7NS5D105 (New Surplus)
    In Stock

    Siemens

    Siemens T7NS5D105 (New Surplus)

    About Siemens T7NS5D105The Siemens component with manufacturer part number T7NS5D105 is an industrial automation product categorized under Siemens Relays & Sockets.Product HighlightsBrand:...

    $116.76
    Buy Now
  • Siemens T7CS5D218 (Refurbished)

    Siemens

    Siemens T7CS5D218 (Refurbished)

    About Siemens T7CS5D218The Siemens component with manufacturer part number T7CS5D218 is an industrial automation product categorized under Siemens Relays & Sockets.Product HighlightsBrand:...

    $0.00
    Ask for Quote
  • Siemens T7CS5D218 (New Surplus)

    Siemens

    Siemens T7CS5D218 (New Surplus)

    About Siemens T7CS5D218The Siemens component with manufacturer part number T7CS5D218 is an industrial automation product categorized under Siemens Relays & Sockets.Product HighlightsBrand:...

    $0.00
    Ask for Quote
Compare Selected