The Allen Bradley 440R-M23145 is a GuardMaster safety relay designed to enhance protection in industrial environments. This single-function relay features delayed outputs and operates on 115 volts AC, making it suitable for applications such as light curtain inputs. It includes one or two normally closed safety inputs, two normally open safety outputs, and three normally open delayed safety outputs with a configurable time delay ranging from 0.5 to 10 seconds. The unit also offers flexible reset options, including automatic, manual, or monitored manual reset, and comes with removable terminals for easy wiring and maintenance. Distributed by BSP Automation, this relay provides reliable safety control tailored for machine safeguarding systems.