The PNOZ s4 C 24VDC (part number 751104 or similar, e.g., 751124) is a Pilz PNOZsigma safety relay providing safety-related interruption of circuits, specifically for E-STOP, safety gates, and light beam devices. It features 3 N/O safety contacts, 1 N/C auxiliary contact, and 1 semiconductor output, operated via 24V DC with plug-in spring-loaded terminals (751104/751124) or screw terminals (750104).
The unit offers high reliability, featuring a diagnostic LED display for status and fault analysis. It is designed to meet strict safety standards including EN 60947-5-1 and EN 60204-1