Phoenix Contact 2702902

The PSR-MC42-2NO-1DO-24DC-SP is a safety relay designed for critical applications such as emergency stop systems, safety doors, and light grids. It supports up to SIL 3, conforms to Cat. 4, and Performance Level e, ensuring compliance with stringent safety standards.

With two sensor circuits, it allows for both automatic and manual monitored starts. The relay operates at a nominal voltage of 24 V DC and includes a pluggable Push-in terminal block for easy connection. The device features two enabling current paths and a single signal output, with typical response times of less than 220 ms for automatic starts and under 20 ms for manual demands.

This unit is engineered for industrial applications, with a weight of 150.6 g and a housing constructed from durable PA material. It is suitable for environments with operating temperatures ranging from -25 °C to 60 °C and has an IP20 protection degree, making it reliable in various settings. The relay also maintains a high mechanical service life, rated for up to 10 million cycles, enhancing its longevity and reliability in operation.