PNOZ e4vp C 10/24VDC 1so 1so t 784181 Safety relays in the PNOZelog product range monitor pressure-sensitive mats. Safety relay (standalone), inputs: 2-channel wiring with detection of shorts across contacts, outputs: 2 safety outputs + 1 auxiliary output of SC type, delayed, automatic/monitored start, UB = 24 V DC, width: 22.5 mm, plug-in spring-loaded terminals,connection between several devices, pressure sensitive mat terminals.