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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

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    About Allen-Bradley 700-HN128Product Overview Allen-Bradley 700-HN128 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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    Allen-Bradley

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    About Allen-Bradley 700-HN127Product Overview Allen-Bradley 700-HN127 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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    About Allen-Bradley 700-HN126-BProduct Overview Allen-Bradley 700-HN126-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...

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    About Allen-Bradley 700-HN126Product Overview Allen-Bradley 700-HN126 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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    About Allen-Bradley 700-HN125Product Overview Allen-Bradley 700-HN125 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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  • Allen-Bradley 700-HN124 700H Control Relay

    Allen-Bradley

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    About Allen-Bradley 700-HN124Product Overview Allen-Bradley 700-HN124 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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    About Allen-Bradley 700-HN123Product Overview Allen-Bradley 700-HN123 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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    About Allen-Bradley 700-HN122Product Overview Allen-Bradley 700-HN122 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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    About Allen-Bradley 700-HN120Product Overview Allen-Bradley 700-HN120 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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    About Allen-Bradley 700-HN119Product Overview Allen-Bradley 700-HN119 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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    About Allen-Bradley 700-HN116-BProduct Overview Allen-Bradley 700-HN116-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...

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    About Allen-Bradley 700-HN116Product Overview Allen-Bradley 700-HN116 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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