PNOZ s3 24VDC 2 n/o PILZ Product ID: 750103 PNOZsigma safety relay (standalone), inputs: 1/2-channel wiring with/without detection of shorts across contacts, manual/automatic start, outputs: 2 N/O, 1 SC, UB 24 V DC, width: 17.5 mm, plug-in plug-in terminals of screw type, monitoring of E-STOP, safety gates, light guard.