Phoenix Contact 2901422

The safety relay PSR-SCP-120UC/ESAM4/3X1/1X2/B is engineered for emergency stop and safety door monitoring applications. It operates with a nominal input voltage of 120 V AC/DC and can function in single or two-channel modes. This unit is capable of achieving Safety Integrity Level (SIL) 3 or Performance Level (PL) e, as per EN ISO 13849 standards.

Featuring three enabling current paths, the relay provides reliable operation with a typical response time of 40 ms and a recovery time of 1 second. It offers a maximum switching frequency of 0.5 Hz and is equipped with plug-in screw terminal blocks for easy connection, supporting conductor cross-sections from 0.2 mm² to 2.5 mm². The device is built to withstand ambient temperatures ranging from -25 °C to 55 °C, making it suitable for various industrial environments.

In terms of output, the relay includes one signaling current path and is constructed with AgSnO₂ contact material, ensuring robust performance with a maximum switching voltage of 250 V AC/DC. The mechanical service life is rated at approximately 10 million cycles, demonstrating durability for long-term operations. Environmental compliance is assured with a lead-free declaration and adherence to China RoHS regulations.

This safety relay is designed to meet stringent standards for electrical safety, including DIN EN 50178/VDE 0160, with reinforced insulation ratings and a degree of protection of IP20. The unit's compact dimensions of 22.5 mm in width, 99 mm in height, and...