This heavy-duty 500A DC power control start relay is designed for agricultural vehicles and high-demand applications. Operating on both 12V and 24V systems, this robust contactor serves dual functions as a starter and preheating relay. Built to handle substantial current loads up to 500 amperes, it ensures reliable power management and vehicle starting performance. The relay's versatile design makes it an ideal component for large agricultural machinery where dependable power control is essential. Manufactured in Mainland China, this contactor delivers consistent switching capabilities for demanding industrial and agricultural applications. Its sturdy construction is engineered to withstand the rigorous conditions commonly encountered in agricultural environments, making it a reliable choice for vehicle electrical system integration.