PNOZ s1 C 24VDC 2 n/o Product ID: 751101 PNOZsigma safety relay (standalone), inputs: 1-channel wiring wiring, manual/automatic start, outputs: 2 N/O, 1 SC, UB 24 V DC, width: 12.5 mm, plug-in spring-loaded terminals, monitoring ofE-STOP , safety gates.