Siemens 6SC9111-2AF2 Safety Relay

Siemens 6SC9111-2AF2 Safety Relay is a compact safety-relay module from Siemens’ 6SC family, designed to monitor protective devices and drive fail-safe outputs in industrial automation. It is also cross-listed as AFG 659001.9005.02, linking the 6SC9111-2AF2 designation to Siemens' catalog references. This safety relay is used in safety circuits to manage emergency-stop, safety interlocks, and other protective functions on automated machinery, providing reliable signaling and isolation between safety inputs and machine controls. For installation, consult the official Siemens documentation to confirm the exact coil voltage, contact configuration, and safety ratings for your specific hardware revision.