The Pilz PNOZ s50, with order number 312085, is a high-integrity safety relay designed for reliable standstill monitoring in machinery applications. This unit ensures that a machine’s hazardous movements have completely ceased before allowing access, significantly enhancing operator safety. It is suitable for monitoring both 3-phase and 1-phase motors and can be connected to various sensor types. The PNOZ s50 features a safe brake control output, making it an integral component for applications requiring controlled stops and access guarding. Its compact design and user-friendly screw terminals facilitate easy integration into control cabinets, providing a robust solution compliant with the highest safety standards like PL e and SIL CL 3.