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440P Interlocks

Allen-Bradley 440P Safety Limit Switches

Allen-Bradley 440P safety limit switches are mechanical safety devices used to monitor machine guard positions and control access to hazardous equipment. These switches are commonly installed on protective machine enclosures and access doors to ensure machinery operates only when guards are properly positioned.

Mechanical safety limit switches are widely used across industrial automation systems because of their simple design, reliability, and compatibility with many machine safety circuits. The 440P series is frequently found on manufacturing equipment, conveyor systems, and assembly machinery.

This category includes refurbished Allen-Bradley 440P safety switches used for maintenance replacement and spare parts inventory. Keeping compatible replacement safety components available helps facilities minimize downtime and maintain safe machine operation.

Common 440P applications

  • Mechanical guard door monitoring
  • Industrial conveyor safety systems
  • Machine enclosure safety monitoring
  • Packaging equipment safety switches
  • OEM machine guarding systems

Related categories

When replacing a safety limit switch, confirm actuator style, mounting dimensions, and electrical ratings to ensure compatibility with the machine safety circuit.

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    About Allen-Bradley 440P-MSLB04M9Product Overview Allen-Bradley 440P-MSLB04M9 is a refurbished 440P 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 440P-MSLB04EProduct Overview Allen-Bradley 440P-MSLB04E is a refurbished 440P 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 440P-MSLB04BProduct Overview Allen-Bradley 440P-MSLB04B is a refurbished 440P 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 440P-MRRS11EProduct Overview Allen-Bradley 440P-MRRS11E is a refurbished 440P 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 440P-MRRS11BProduct Overview Allen-Bradley 440P-MRRS11B is a refurbished 440P 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 440P-MRRB22M9Product Overview Allen-Bradley 440P-MRRB22M9 is a refurbished 440P 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 440P-MRRB22EProduct Overview Allen-Bradley 440P-MRRB22E is a refurbished 440P 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 440P-MRRB22BProduct Overview Allen-Bradley 440P-MRRB22B is a refurbished 440P 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 440P-MRRB13EProduct Overview Allen-Bradley 440P-MRRB13E is a refurbished 440P 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 440P-MRRB13BProduct Overview Allen-Bradley 440P-MRRB13B is a refurbished 440P 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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