Browse our collection of Allen-Bradley Guardmaster 440R Safety Relays, designed to monitor safety devices and ensure reliable shutdown of machinery in hazardous conditions. The 440R series supports a wide range of safety inputs, including E-stops, interlock switches, light curtains, and safety mats. Available in configurable, modular, and dedicated-function models, these relays offer quick response times, diagnostics, and compliance with global safety standards. Ideal for applications in manufacturing, packaging, robotics, and material handling. All models are tested and available for worldwide shipping.

Return to our Allen-Bradley Industrial Automation Products main category to explore the complete range of controllers, drives, motors, HMIs, and accessories.