In Stock Industrial Automation Parts   |   Fast Shipping Across USA

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.

  • Allen-Bradley 440P-WM5 440P Interlock New Surplus

    Allen-Bradley

    Allen-Bradley 440P-WM5 440P Interlock (New Surplus)

    About Allen-Bradley 440P-WM5Product Overview Allen-Bradley 440P-WM5 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 doors,...

    $36.00
    Ask for Quote
  • Allen-Bradley 440P-WM4 440P Interlock New Surplus
    In Stock

    Allen-Bradley

    Allen-Bradley 440P-WM4 440P Interlock (New Surplus)

    About Allen-Bradley 440P-WM4Product Overview Allen-Bradley 440P-WM4 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 doors,...

    $33.00
    Buy Now
  • Allen-Bradley 440PWM3A 440P Interlock New Surplus

    Allen-Bradley

    Allen-Bradley 440PWM3A 440P Interlock (New Surplus)

    About Allen-Bradley 440PWM3AProduct Overview Allen-Bradley 440PWM3A 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 doors,...

    $24.13
    Ask for Quote
  • Allen-Bradley 440P-WM3 440P Interlock New Surplus

    Allen-Bradley

    Allen-Bradley 440P-WM3 440P Interlock (New Surplus)

    About Allen-Bradley 440P-WM3Product Overview Allen-Bradley 440P-WM3 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 doors,...

    $34.00
    Ask for Quote
  • Allen-Bradley 440P-WM2A 440P Interlock New Surplus

    Allen-Bradley

    Allen-Bradley 440P-WM2A 440P Interlock (New Surplus)

    About Allen-Bradley 440P-WM2AProduct Overview Allen-Bradley 440P-WM2A 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 doors,...

    $30.00
    Ask for Quote
  • Allen-Bradley 440P-WM2 440P Interlock New Surplus

    Allen-Bradley

    Allen-Bradley 440P-WM2 440P Interlock (New Surplus)

    About Allen-Bradley 440P-WM2Product Overview Allen-Bradley 440P-WM2 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 doors,...

    $30.00
    Ask for Quote
  • Allen-Bradley 440P-WM1A 440P Interlock New Surplus

    Allen-Bradley

    Allen-Bradley 440P-WM1A 440P Interlock (New Surplus)

    About Allen-Bradley 440P-WM1AProduct Overview Allen-Bradley 440P-WM1A 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 doors,...

    $20.00
    Ask for Quote
  • Allen-Bradley 440P-WM1 440P Interlock New Surplus

    Allen-Bradley

    Allen-Bradley 440P-WM1 440P Interlock (New Surplus)

    About Allen-Bradley 440P-WM1Product Overview Allen-Bradley 440P-WM1 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 doors,...

    $30.00
    Ask for Quote
  • Allen-Bradley 440P-WC2B 440P Interlock New Surplus

    Allen-Bradley

    Allen-Bradley 440P-WC2B 440P Interlock (New Surplus)

    About Allen-Bradley 440P-WC2BProduct Overview Allen-Bradley 440P-WC2B 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 doors,...

    $29.00
    Ask for Quote
  • Allen-Bradley 440P-WC2A 440P Interlock New Surplus

    Allen-Bradley

    Allen-Bradley 440P-WC2A 440P Interlock (New Surplus)

    About Allen-Bradley 440P-WC2AProduct Overview Allen-Bradley 440P-WC2A 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 doors,...

    $29.00
    Ask for Quote
  • Allen-Bradley 440P-WC2 440P Interlock New Surplus

    Allen-Bradley

    Allen-Bradley 440P-WC2 440P Interlock (New Surplus)

    About Allen-Bradley 440P-WC2Product Overview Allen-Bradley 440P-WC2 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 doors,...

    $28.00
    Ask for Quote
  • Allen-Bradley 440P-WC1A 440P Interlock New Surplus

    Allen-Bradley

    Allen-Bradley 440P-WC1A 440P Interlock (New Surplus)

    About Allen-Bradley 440P-WC1AProduct Overview Allen-Bradley 440P-WC1A 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 doors,...

    $28.00
    Ask for Quote
Compare Selected