12V Battery Main Switch Isolator with 2 Keys, 12V 300A Battery Circuit Breaker for Car, Boat, Disconnect Main Battery Switch, Car and Motorcycle Batteria Cup

The 12V battery circuit breaker is made with a sturdy plastic shell and copper terminals, reinforced by M8 iron hex nuts. This construction ensures resistance to high temperatures and drops, ensuring durability and safety. The 12V switch battery can effectively cut off the electrical connection, protecting your electrical system from unexpected discharges. Whether your vehicle is a car or a boat, this battery cutter ensures valuable energy saving when not in use, reducing unnecessary wear on the battery. Included with the battery main switch isolator are two keys and a weather protection cover. This design effectively prevents water and dust from entering the mechanism, extending the life of your battery circuit breaker while increasing its reliability. With a screw diameter of 8mm and installation opening of 5mm, this car battery cutter offers simple installation that ensures a perfect fit. Designed to operate under 12V DC power with a rated current of 300A. Use this battery main switch isolator for a variety of electrical applications. Whether for your car chassis, strobe or fog lights, this car circuit breaker is ideal for indoor and outdoor environments, as well as for vehicles such as motorcycles and tractors.