Safety relay (standalone), inputs: 1/2-channel wiring with/without detection of shorts across contacts, outputs: 3 N/O, 1 N/C,1 N/O t-d, automatic/monitored start, UB = 24 V DC, width: 90 mm, plug-in screw terminals, monitoring of E-STOP, safety gates, light curtain, release time 12 levels 0.1 – 30 s.