Safety relay (standalone), inputs: 1/2-channel wiring with/without detection of shorts across contacts, outputs: 2 safetyoutputs, 1 auxiliary output in SC technology, delayed automatic/monitored start, UB = 24 V DC, width: 22.5 mm, plug-in terminals of screw type, connection between several devices, monitoring of E-STOP, safety gates, feedback loop. 774131