Intermittent Duty Starter Solenoid – 120A, 24V, 4 Studs

24 volt dc intermittent duty solenoid switch. Hex nuts and lock washers included. 4 terminals have insulated ground terminal for use with fiberglass or other nonconductive materials. Cadmium plated, nonbreakable heavy duty housing resists rust, gives long life in most any environment. Isolates starting battery. Assures primary battery power for starting engine and provides secondary battery current for auxiliary power. Full time charging of both batteries. Gives you early reuse of secondary battery.