The PHOENIX CONTACT part PLC-RSC- 24DC/21AU is a highly reliable and efficient PLC-INTERFACE designed for industrial automation applications. It is composed of a PLC-BSC.../21 basic terminal block with a secure screw connection and a plug-in miniature relay with multi-layer gold contacts. This compact and versatile device is specifically designed with easy installation in mind, as it can be seamlessly mounted on a DIN rail NS 35/7,5. The PLC-RSC- 24DC/21AU features a 1 PDT (1 pole, double throw) configuration, making it suitable for various control and switching tasks.With an input voltage of 24V DC, this PLC-INTERFACE is designed to deliver dependable performance and uninterrupted operation. Its robust construction and high-quality components make it highly resistant to external factors such as shocks and vibrations, ensuring long-term reliability and durability in demanding industrial environments.The PLC-RSC- 24DC/21AU is an ideal solution for a wide range of automation applications, including machinery and equipment control, process automation, building automation, and much more. It offers exceptional functionality, efficiency, and ease of use, making it an excellent choice for any automation project.