PNOZ e2.2p C 24VDC 2so 784135 Safety relays in the PNOZelog product range monitor two-hand pushbuttons Safety relay (standalone), inputs: On the basis of the requirement class III A in accordance with EN 574, outputs: 2 safetyoutputs + 1 auxiliary output of SC type, automatic start, UB = 24 V DC, width: 22.5 mm, plug-in spring-loaded terminals, electronic two-hand safety relay.