Safety relay (standalone), inputs: 1/2-channel wiring without detection of shorts across contacts, outputs: 3 N/O,automatic/monitored start, UB = 230 - 240 V AC, width: 45 mm, screw terminals integrated, monitoring of E-STOP, safety gates. This product has been discontinued. The following products are fully compatible in function: 750134 751134 However, it should be checked for the respective application whether all necessary framework conditions and parameters are also fulfilled for the intended use.