General description CCYKXA 12V 24V Heavy Duty Battery Isolator Switch is designed for universal use in auto, marine, boat, car, and RV vehicles. This switch helps prevent battery power consumption and facilitates temporary power off during vehicle maintenance, ultimately extending the life of the car battery head. Technical specifications Applicable to negative battery terminal diameter: 15-17mm Maximum current: 800A Rated current: 150A Material: Brass Other information Corrosion resistant with good conductivity Prevents short circuits and fires when working on electrical systems Adjustable switch orientation: vertical or horizontal knife switch