Available. PLC-RSC- 24UC/21-21. The Phoenix Contact PLC-RSC-24UC/21-21 is a versatile relay module designed for seamless integration into industrial automation systems. This module comprises a basic terminal block with screw connections and a pluggable miniature relay featuring a power contact, facilitating efficient control and switching operations. It is engineered for mounting on DIN rail NS 35/7.5, ensuring a secure and standardized installation. The module operates with an input voltage of 24 V AC/DC, accommodating a wide range of industrial applications. It is equipped with a single changeover contact, providing flexibility in circuit configurations. The PLC-RSC-24UC/21-21 is built to withstand demanding environments, with a mechanical service life of up to 20 million cycles, ensuring long-term reliability and performance. Its compact dimensions—6.2 mm in width, 80 mm in height, and 94 mm in depth—make it suitable for installations where space is at a premium. The module is designed to operate within a temperature range of -40°C to 60°C, allowing it to function effectively in various industrial settings. For voltages exceeding 250 V (L1, L2, L3) between identical terminal blocks in adjacent modules, the installation of a separating plate (PLC-ATP) is recommended to maintain safety and performance standards.