The PLC-RSC-220DC/21AU is a relay module from Phoenix Contact. It is part of the PLC-INTERFACE series and includes a basic terminal block with screw connections and a plug-in miniature relay. Here are some key features:

Input Voltage: Operates at 220 V DC with a range of 179.4 V DC to 264.5 V DC.

Switching Contact: Features one changeover contact with a maximum switching voltage of 250 V AC/DC.

Compact Design: The module is only 6.2 mm wide, making it suitable for space-constrained applications.

Durability: Offers a mechanical service life of up to 20 million cycles.

Protection: Includes reverse polarity protection and surge protection.