Phoenix Contact 2901417

The safety relay PSR-SPP-42-48UC/ESAM4/3X1/1X2B is engineered for emergency stop and safety door monitoring applications, meeting the stringent requirements of SIL 3 and Cat. 4, PL e as per EN ISO 13849 standards. It supports both single and dual-channel operation, ensuring versatile integration into safety-critical systems.

This relay operates with a nominal input voltage ranging from 42 to 48 V AC/DC, accommodating variations of -15% to +10%. Its design includes three enabling current paths that enhance operational reliability, while its electromechanical relay configuration features force-guided contacts compliant with IEC/EN 61810-3.

With a typical response time of 40 ms when manually started, the device also incorporates an LED status display for real-time monitoring. The housing is constructed from durable PA material and features a compact design with dimensions of 22.5 mm in width, 112 mm in height, and 114.5 mm in depth. Additionally, it is suitable for a variety of installations due to its capability for DIN rail mounting and an operational temperature range of -25 °C to 55 °C.