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Interlocks & Guard Switches

Interlocks and Guard Switches (Industrial Machine Safety Interlocking)

Interlocks and guard switches are critical components in industrial machine safety systems. These devices monitor the position of safety gates, guard doors, and protective barriers to ensure machinery operates only when safe conditions are met. When a guard is opened or removed, the interlock switch signals the safety circuit to stop machine motion and prevent hazardous operation.

Industrial interlocks are widely used in automated production lines, packaging equipment, robotic cells, conveyors, and assembly systems. Using the correct interlock series ensures compatibility with existing machine guarding hardware and helps maintain reliable safety performance in demanding industrial environments.

This category includes refurbished interlock switches and guard monitoring devices used for maintenance replacement and spare inventory. Maintaining compatible replacement hardware allows facilities to repair machines quickly and minimize production downtime.

Typical interlock applications

  • Safety gate monitoring for robotic cells
  • Guard door monitoring on packaging equipment
  • Access control for automated production lines
  • Protective enclosure monitoring for hazardous machinery
  • OEM machine safety integration

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When replacing an interlock device, verify mounting orientation, actuator compatibility, electrical connections, and application requirements before installation to ensure the safety system functions correctly.

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    Allen-Bradley

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    About Allen-Bradley 440K-T11469Product Overview Allen-Bradley 440K-T11469 is a refurbished 440K safety interlock designed for industrial machine guarding and access control. It is commonly used to help prevent access to hazardous motion by monitoring...

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    About Allen-Bradley 440K-T11468Product Overview Allen-Bradley 440K-T11468 is a refurbished 440K safety interlock designed for industrial machine guarding and access control. It is commonly used to help prevent access to hazardous motion by monitoring...

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    About Allen-Bradley 440K-T11467Product Overview Allen-Bradley 440K-T11467 is a refurbished 440K safety interlock designed for industrial machine guarding and access control. It is commonly used to help prevent access to hazardous motion by monitoring...

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    Allen-Bradley

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    About Allen-Bradley 440K-T11466Product Overview Allen-Bradley 440K-T11466 is a refurbished 440K safety interlock designed for industrial machine guarding and access control. It is commonly used to help prevent access to hazardous motion by monitoring...

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  • Allen-Bradley 440K-T11465 440K Interlock New Surplus

    Allen-Bradley

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    About Allen-Bradley 440K-T11465Product Overview Allen-Bradley 440K-T11465 is a refurbished 440K safety interlock designed for industrial machine guarding and access control. It is commonly used to help prevent access to hazardous motion by monitoring...

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    Allen-Bradley

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    About Allen-Bradley 440K-T11463Product Overview Allen-Bradley 440K-T11463 is a refurbished 440K safety interlock designed for industrial machine guarding and access control. It is commonly used to help prevent access to hazardous motion by monitoring...

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  • Allen-Bradley 440K-T11462 440K Interlock New Surplus

    Allen-Bradley

    Allen-Bradley 440K-T11462 440K Interlock (New Surplus)

    About Allen-Bradley 440K-T11462Product Overview Allen-Bradley 440K-T11462 is a refurbished 440K safety interlock designed for industrial machine guarding and access control. It is commonly used to help prevent access to hazardous motion by monitoring...

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  • Allen-Bradley 440K-T11461 440K Interlock New Surplus

    Allen-Bradley

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    About Allen-Bradley 440K-T11461Product Overview Allen-Bradley 440K-T11461 is a refurbished 440K safety interlock designed for industrial machine guarding and access control. It is commonly used to help prevent access to hazardous motion by monitoring...

    $217.50
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  • Allen-Bradley 440K-T11460 440K Interlock New Surplus

    Allen-Bradley

    Allen-Bradley 440K-T11460 440K Interlock (New Surplus)

    About Allen-Bradley 440K-T11460Product Overview Allen-Bradley 440K-T11460 is a refurbished 440K safety interlock designed for industrial machine guarding and access control. It is commonly used to help prevent access to hazardous motion by monitoring...

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    Allen-Bradley

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    About Allen-Bradley 440K-T11459Product Overview Allen-Bradley 440K-T11459 is a refurbished 440K safety interlock designed for industrial machine guarding and access control. It is commonly used to help prevent access to hazardous motion by monitoring...

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    Allen-Bradley

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    About Allen-Bradley 440K-T11458Product Overview Allen-Bradley 440K-T11458 is a refurbished 440K safety interlock designed for industrial machine guarding and access control. It is commonly used to help prevent access to hazardous motion by monitoring...

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  • Allen-Bradley 440K-T11457 440K Interlock New Surplus

    Allen-Bradley

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    About Allen-Bradley 440K-T11457Product Overview Allen-Bradley 440K-T11457 is a refurbished 440K safety interlock designed for industrial machine guarding and access control. It is commonly used to help prevent access to hazardous motion by monitoring...

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