The PHOENIX CONTACT part 2900313 is a PLC-INTERFACE designed for input functions in automation systems. It includes a PLC-BPT.../SEN basic terminal block with push-in connection and a plug-in miniature relay with multi-layer gold contacts. This compact device is suitable for mounting on DIN rail NS 35/7,5 and features 1 N/O contact for efficient input voltage handling at 24 V DC. Ideal for industrial applications requiring reliable and high-performance control in a compact form factor.