This heavy-duty 500A DC contactor relay is engineered for demanding automotive and high-current applications. Featuring a robust dual-pole design with 4-pin configuration, this relay delivers reliable switching for circuits handling up to 500A surge current at 12V. The unit's compact yet sturdy construction includes a convenient mounting bracket and stands 80mm in height, making installation straightforward in various vehicle configurations. The black housing provides excellent insulation, while the silver-plated terminals ensure optimal conductivity. Perfect for automotive power management, winch systems, and other high-load applications, this contactor offers dependable On/Off control with secure connections. The integrated mounting plate measures 70mm x 41mm, providing stable support for the relay assembly. Built to withstand the rigors of automotive environments, this contactor combines practical functionality with industrial-grade durability for consistent performance in challenging conditions.