This heavy-duty 500A DC contactor relay is engineered for demanding automotive applications where reliable power switching is essential. The 4-pin design features a robust black housing and 2-pole configuration, making it ideal for high-current vehicle systems. With its impressive 500A surge current capacity, this relay delivers dependable performance for critical automotive circuits. The compact construction measures 80mm in height while maintaining substantial power handling capabilities. The relay's On/Off functionality provides straightforward control for various automotive electrical applications, from power distribution to motor control systems. Built with durability in mind, this contactor relay incorporates quality materials and construction techniques to ensure consistent operation under challenging conditions. The mounting design allows for secure installation, while the clear terminal markings help prevent wiring errors. Perfect for automotive enthusiasts and professional mechanics looking for a reliable high-current switching solution.