PNOZsigma Safety relay (standalone). Inputs: 1-channel wiring. Outputs: 3 N/O, 1 N/C (t = 0 - 300 s). UB 24 VDC, width: 17.5 mm, plug-in spring-loaded terminals. Contact block and timer for contact expansion in connection with safety-related control components, or sequence of a safety-related time function (delay-on energization, delay-on de-energization, pulsing). PU = 10 pieces.