500A DC 12V Car Relay Starter Solenoid Relay 4 Pin SPST Car Auto Start Contactor Double Batteries Isolator Control On/Off Switch for Auto LED Windowlish Wiper

PHENOLIC PLASTIC-- Made of water resistant black phenolic plastic, It can effectively prevent leakage and corrosion, ensure the safe separation of water and electricity MAIN FUNCTION-- The main function of the car relay is to switch on, it can be used alone, it can be also connected to control to use BATTERY The dc relay help extend battery life. Prevents primary battery discharge RATED VOLTAGE & CURRENT-- Rated voltage 12VDC, maximum instantaneous through current 500A. Work long times maximum 200A LARGE CIRCUIT PASS-- This Car relay with Red copper binding post: ensuring heavy current can be transited safely