The CIT Relay and Switch part A21CSP12VDC1.6 is a compact automotive relay designed for various applications. With dimensions of 26x26x24.5mm, it features a single-pole single-throw normally open configuration for versatile usage. The relay is sealed, ensuring protection against dust, moisture, and other environmental factors. It is equipped with PC pins for easy and secure installation. The coil operates at 12VDC and consumes 1.6W power, making it efficient and reliable.