The 440E-A13085 is part of the Guard Master line of safety control relays from Rockwell Automation. The relay is designed to provide a means of ensuring a safe stop within a machinery system. The 440E-A13085 is a plug-in type safety control relay with a dependable, solid-state electronic design. The 440E-A13085 detector inputs are compatible with safety edge devices, light curtains, two-hand control stations, and interlock switches, giving users flexibility when configuring a system. The relay is also designed to meet international safety standards, including IEC/EN/UL 60947-5-1 and IEC/EN 61508-1, so it can be used in a variety of applications.