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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-HN115 700H Control Relay (Refurbished)

    About Allen-Bradley 700-HN115Product Overview Allen-Bradley 700-HN115 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...

    $29.94
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  • Allen-Bradley 700-HN114 700H Control Relay

    Allen-Bradley

    Allen-Bradley 700-HN114 700H Control Relay (Refurbished)

    About Allen-Bradley 700-HN114Product Overview Allen-Bradley 700-HN114 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...

    $21.80
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  • Allen-Bradley 700-HN113 700H Control Relay Refurbished

    Allen-Bradley

    Allen-Bradley 700-HN113 700H Control Relay (Refurbished)

    About Allen-Bradley 700-HN113Product Overview Allen-Bradley 700-HN113 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...

    $22.49
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  • Allen-Bradley 700-HN112 700H Control Relay Refurbished

    Allen-Bradley

    Allen-Bradley 700-HN112 700H Control Relay (Refurbished)

    About Allen-Bradley 700-HN112Product Overview Allen-Bradley 700-HN112 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...

    $22.49
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  • Allen-Bradley 700-HN111 700H Control Relay Refurbished

    Allen-Bradley

    Allen-Bradley 700-HN111 700H Control Relay (Refurbished)

    About Allen-Bradley 700-HN111Product Overview Allen-Bradley 700-HN111 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...

    $22.49
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  • Allen-Bradley 700-HN110 700H Control Relay

    Allen-Bradley

    Allen-Bradley 700-HN110 700H Control Relay (Refurbished)

    About Allen-Bradley 700-HN110Product Overview Allen-Bradley 700-HN110 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...

    $31.93
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  • Allen-Bradley 700-HN109 700H Control Relay Refurbished
    In Stock

    Allen-Bradley

    Allen-Bradley 700-HN109 700H Control Relay (Refurbished)

    About Allen-Bradley 700-HN109Product Overview Allen-Bradley 700-HN109 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...

    $30.34
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  • Allen-Bradley 700-HN108 700H Control Relay
    In Stock

    Allen-Bradley

    Allen-Bradley 700-HN108 700H Control Relay (Refurbished)

    About Allen-Bradley 700-HN108Product Overview Allen-Bradley 700-HN108 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...

    $24.53
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  • Allen-Bradley 700-HN105 700H Control Relay Refurbished

    Allen-Bradley

    Allen-Bradley 700-HN105 700H Control Relay (Refurbished)

    About Allen-Bradley 700-HN105Product Overview Allen-Bradley 700-HN105 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...

    $33.93
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  • Allen-Bradley 700-HN104 700H Control Relay
    In Stock

    Allen-Bradley

    Allen-Bradley 700-HN104 700H Control Relay (Refurbished)

    About Allen-Bradley 700-HN104Product Overview Allen-Bradley 700-HN104 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...

    $300.06
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  • Allen-Bradley 700-HN103-OS 700H Control Relay Refurbished
    In Stock

    Allen-Bradley

    Allen-Bradley 700-HN103-OS 700H Control Relay (Refurbished)

    About Allen-Bradley 700-HN103-OSProduct Overview Allen-Bradley 700-HN103-OS 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...

    $31.63
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  • Allen-Bradley 700-HN103-B 700H Control Relay Refurbished
    In Stock

    Allen-Bradley

    Allen-Bradley 700-HN103-B 700H Control Relay (Refurbished)

    About Allen-Bradley 700-HN103-BProduct Overview Allen-Bradley 700-HN103-B 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...

    $36.81
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