The SONG CHUAN part 871-1C-S-D1-24VDC is an Electromechanical Relay designed for automotive applications. It has a coil voltage of 24VDC, a coil resistance of 483 Ohm, and a contact rating of 35A. This relay features a single-pole-double-throw (SPDT) configuration and comes with a compact socket for easy installation. With its dimensions of 23x15.5x25.4mm, this automotive relay is a reliable and space-saving solution for various electrical systems in vehicles.