The PHOENIX CONTACT PSR-MM25-1NO-2DO-24DC-SP is a safety relay module designed specifically for sensor-free standstill monitoring of 3- and 1-phase motors. With a SILCL 3 - Cat. 3 - PL e rating, this relay module delivers reliable and robust two-channel evaluation of the remanence voltage of AC, three-phase, and DC motors. Featuring a compact width of just 12.5 mm, the PSR-MM25-1NO-2DO-24DC-SP is equipped with a pluggable Push-in terminal block for easy and convenient installation. This safety relay module is an ideal choice for ensuring the safe operation of motors in various industrial applications.