This heavy-duty 500A DC power control start relay is designed for agricultural vehicles and preheating applications. Compatible with both 12V and 24V systems, this robust contactor provides reliable power control for starting operations in demanding agricultural environments. The high-current capacity of 500 amperes makes it suitable for managing substantial electrical loads during vehicle startup sequences. Manufactured in Mainland China, this start relay serves as a crucial component for controlling DC power in agricultural machinery. Its durable construction ensures dependable performance in challenging conditions where reliable starting and preheating functions are essential. Perfect for integration into various agricultural vehicle electrical systems where precise power management is required.