The PHOENIX CONTACT PSR-SCP-24DC/ESD/4X1/30 is a reliable and versatile safety relay designed for emergency stop and safety door monitoring applications. This safety relay is suitable for use in systems requiring high safety levels, up to SIL 3 or Cat. 4 - PL e according to the EN ISO 13849 standard.Featuring both automatic and manual activation options, this safety relay offers flexibility in different operating scenarios. It is equipped with two normally open (N/O) contacts that provide reliable signal interruption. Additionally, it has a dropout delay range of 0.1 s to 30 s, allowing for precise and adjustable response times.The plug-in screw connection terminal block enhances the ease of installation and maintenance, ensuring a secure and efficient electrical connection. With its compact size and robust construction, the PHOENIX CONTACT PSR-SCP-24DC/ESD/4X1/30 is an excellent choice for a wide range of safety applications, offering peace of mind and protection for personnel and equipment.