The PHOENIX CONTACT part PLC-RSC-24DC/21/EX is a reliable and versatile PLC-INTERFACE designed for industrial automation applications. It features a compact DIN-rail-mountable terminal block with a screw connection, making it easy to install and maintain.This PLC-INTERFACE is equipped with a plug-in miniature relay that has a 6 A power contact, offering excellent switching capabilities. It also has one changeover contact, providing flexibility in your control system.The input voltage for this PLC-INTERFACE is 24 V DC, allowing for compatibility with a wide range of power sources. With its ATEX/IECEx approval for Zone 2 and Ex Zone Class I - Div. 2 environments, it ensures safe operation even in potentially explosive atmospheres.Overall, the PLC-RSC-24DC/21/EX is a high-quality and certified solution that meets demanding industrial standards, making it suitable for various automation applications.