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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.

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    Allen-Bradley

    Allen-Bradley 700-HLT2U48 700H Control Relay (Refurbished)

    About Allen-Bradley 700-HLT2U48Product Overview Allen-Bradley 700-HLT2U48 is a 700H control relay used for switching and control functions in industrial automation systems. Control relays are commonly installed in control panels and OEM equipment for...

    $56.67
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  • Allen-Bradley 700-HLT2U2X 700H Control Relay

    Allen-Bradley

    Allen-Bradley 700-HLT2U2X 700H Control Relay (Refurbished)

    About Allen-Bradley 700-HLT2U2XProduct Overview Allen-Bradley 700-HLT2U2X is a 700H control relay used for switching and control functions in industrial automation systems. Control relays are commonly installed in control panels and OEM equipment for...

    $56.67
    Ask for Quote
  • Allen-Bradley 700-HLT2U24 700H Control Relay

    Allen-Bradley

    Allen-Bradley 700-HLT2U24 700H Control Relay (Refurbished)

    About Allen-Bradley 700-HLT2U24Product Overview Allen-Bradley 700-HLT2U24 is a 700H control relay used for switching and control functions in industrial automation systems. Control relays are commonly installed in control panels and OEM equipment for...

    $50.71
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  • Allen-Bradley 700-HLT2U2 700H Control Relay

    Allen-Bradley

    Allen-Bradley 700-HLT2U2 700H Control Relay (Refurbished)

    About Allen-Bradley 700-HLT2U2Product Overview Allen-Bradley 700-HLT2U2 is a 700H control relay used for switching and control functions in industrial automation systems. Control relays are commonly installed in control panels and OEM equipment for...

    $53.69
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  • Allen-Bradley 700-HLT2U1X 700H Control Relay

    Allen-Bradley

    Allen-Bradley 700-HLT2U1X 700H Control Relay (Refurbished)

    About Allen-Bradley 700-HLT2U1XProduct Overview Allen-Bradley 700-HLT2U1X is a 700H control relay used for switching and control functions in industrial automation systems. Control relays are commonly installed in control panels and OEM equipment for...

    $56.67
    Ask for Quote
  • Allen-Bradley 700-HLT2U12 700H Control Relay

    Allen-Bradley

    Allen-Bradley 700-HLT2U12 700H Control Relay (Refurbished)

    About Allen-Bradley 700-HLT2U12Product Overview Allen-Bradley 700-HLT2U12 is a 700H control relay used for switching and control functions in industrial automation systems. Control relays are commonly installed in control panels and OEM equipment for...

    $50.71
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  • Allen-Bradley 700-HLT2U1 700H Control Relay
    In Stock

    Allen-Bradley

    Allen-Bradley 700-HLT2U1 700H Control Relay (Refurbished)

    About Allen-Bradley 700-HLT2U1Product Overview Allen-Bradley 700-HLT2U1 is a 700H control relay used for switching and control functions in industrial automation systems. Control relays are commonly installed in control panels and OEM equipment for...

    $90.00
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  • Allen-Bradley 700-HLT22Z48 700H Control Relay
    In Stock

    Allen-Bradley

    Allen-Bradley 700-HLT22Z48 700H Control Relay (Refurbished)

    About Allen-Bradley 700-HLT22Z48Product Overview Allen-Bradley 700-HLT22Z48 is a 700H control relay used for switching and control functions in industrial automation systems. Control relays are commonly installed in control panels and OEM equipment for...

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