Further information for Pilz 751177 Safety Relay 24VDC 4 n/o 1 n/c
PNOZsigma contact extension, outputs: 4 NO, 1 NC, UB = 24 V DC, width: 17.5 mm, plug-in spring-loaded terminals, contact block for contact extension in conjunction with safety-related control components, additional contact blocks can be attached on the right.