Siemens 49LN02ANS Industrial Safety Relay Module

Siemens 49LN02ANS Industrial Safety Relay Module is a compact safety relay device designed to implement a single fail-safe function within an automation system. As part of Siemens’ SIRIUS safety-relay family, it provides monitored switching for safety circuits, delivering a defined fail-safe state in the event of a fault to help protect operators and equipment. The module is intended for use in control systems that require protective interlock signals, emergency-stop integration, or other safety sensors to be wired into a safe, self-contained safety channel. Exact electrical specifications, contact arrangement, and diagnostic capabilities are defined in the official datasheet for the 49LN02ANS model; users should consult the product documentation to confirm coil voltage, current rating, and wiring requirements. In practice, modular safety relays like the 49LN02ANS support diagnostic feedback and restart logic that helps detect faults promptly and maintain safe machine operation. Siemens’ SIRIUS safety-relay solutions are commonly chosen to meet industry safety standards and to facilitate safe, reliable control across a range of industrial applications.