Top Post Knife Blade Master Switch, Ampper 12V / 24V Battery Disconnect Switch Isolator Power Cut Off for Marine Car Boat RV ATV (Negative, Vertical)

Compatible: used for top post terminal, 15-17 mm cone / tapering battery NEGATIVE post only, DC 12V-24V system, 200A continuous and 600A momentary at DC 12V, on/off 2 position., Convenience: vertical knife blade type, easy to install & simple to use. Lift the knife, then power will cut., Heavy Duty: solid brass made, rust and corrosion resistant, durable made for safety use., Purpose: used for battery to isolate and secure the electrical system, eliminate any power draw from the battery when vehicle or boat is not in use, disconnects the battery safely., Used for Car, Vehicle, RV and Boat batteries which have a standard 15-17 mm cone top post terminal, also used for electrical equipment.