Equipped with internal brass coils and perfect conductivity,ensures a quickly motor starts and current flows. Reliably control your winch with our winch solenoid Relays contactor. Suitable for winches weighing up to 12,000lbs,it can quickly starts the motor with high starting power. With a 20-30 second cooling period between cycles,it ensures and durability. The packaging includes 1 Relays and a connecting wire to ensures easily operations.