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Allen Bradley 440R-B23020 Safety Relay

Safety Relays

Safety relays are used in industrial automation systems to monitor safety devices and ensure machinery operates safely. They provide reliable control of emergency stops, safety light curtains, safety switches, and other protective equipment, helping prevent accidents and ensure compliance with safety standards.


At Drive Outlet Megastore, we stock a wide range of safety relays from trusted manufacturers including ABB, Allen Bradley, Siemens, Schneider Electric, Omron, and Pilz. Our selection includes emergency stop relays, dual-channel safety relays, and configurable safety monitoring relays for industrial applications.


Safety relays are commonly used in machine guarding systems, production lines, robotic cells, packaging machinery, and automated equipment where personnel protection is essential. They monitor safety circuits and safely stop machinery when a fault or hazardous condition is detected.


We supply safety relays with various safety ratings, input configurations, output contacts, and communication options to suit different machine safety requirements. If you’re unsure which safety relay is suitable for your system, our technical team can help you select the correct safety solution.

Select Safety Relays by Application & Feature

Use the links below to browse popular safety relay types and common use cases:

Not sure what you need? Send us your safety device type and machine details — we’ll recommend the correct safety relay quickly.