PNOZcompact safety relay (standalone), inputs: 2-channel wiring with detection of shorts across contacts, manual/automatic start, outputs: 3 N/O, 1 N/C, UB 24 V DC, width: 22.5 mm, spring-loadedterminals fixed at the front of the unit, monitoring of E-STOP, safety gates. http://www.pilz.com Safety solutions provider since 2011, We offer Pilz