The AMERICAN ZETTLER part AZ9731-1C-12DC4 is a high-quality automotive relay designed for various applications. With a 40AMP capacity, it is capable of handling heavy loads with ease. The relay features a 12VDC coil, ensuring compatibility with most automotive electrical systems. Its single-pole, double-throw (SPDT) configuration provides versatility for different wiring needs. Compact in size, this mini-ISO relay is space-saving and easy to install. Whether you need it for automotive, industrial, or other demanding applications, the AZ9731-1C-12DC4 relay offers reliable performance and durability you can trust.