Allen Bradley 440R-EM4R2D Series A Guardmaster Expansion Module EMD


Available on backorder

This product is available for pre-order; we will arrange it for you as soon as possible.


Available on backorder


The Allen Bradley 440R-EM4R2D Series A Guardmaster Expansion Module (EMD) is a versatile safety relay module designed to enhance the functionality of Guardmaster safety relays.  

Key Features and Benefits of Allen Bradley 440R-EM4R2D Series A:

  • Safety Expansion: The 440R-EM4R2D Series A EMD is designed to expand the safety input and output capabilities of compatible Guardmaster safety relays, enabling seamless integration into existing safety systems.
  • Series A: This expansion module is part of the Series A family, ensuring compatibility with other Allen Bradley Guardmaster components, providing a unified and efficient safety solution.
  • Enhanced Safety Monitoring: With additional safety inputs and outputs, the module enables comprehensive monitoring and control of safety devices, such as safety switches, interlocks, emergency stops, and light curtains.
  • Diagnostic Capabilities: The expansion module includes built-in diagnostic features, providing real-time status information for each safety input and output, simplifying troubleshooting and reducing downtime 

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Experience enhanced safety monitoring and control with the Allen Bradley 440R-EM4R2D Series A Guardmaster Expansion Module. Its flexible configuration options, real-time diagnostics, and easy integration capabilities make it a valuable addition to existing safety relay systems, ensuring robust safety protection for workers and machinery. 

Condition: In good working and cosmetic condition. Tested and works. See pictures.

Shipping: I will ship within one business day. International buyers are welcome.

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Buying and Trade-Ins: I buy new and used test, measurement, automation, survey, construction, medical, oil and gas equipment that you or your company may no longer use. I also do trade-ins towards purchasing our equipment, feel free to call me anytime at 832-474-4443.


Allen-Bradley / Rockwell Automation