Battery Isolator Switch with 2 Keys, 12V/24V Cut Off Master Disconnect Car Kill Isolation Emergency Automotive On for Marine Boat

【Battery Disconnect Switch】The battery cut off isolator switches 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. 【Operation】This car battery isolator switch is used for DC 12V-24V systems, On/Off 2 position, Max with standing current: 12V 200A. Recommended to mount on NEGATIVE battery post. 【Heavy Duty】ABS plastic and solid brass nuts / washers, rust and corrosion resistant, durable made for safety use. Battery master disconnect switch-Screw size: M10 - 0.39", 2 mounting holes: 0.256", the base is 2.28" in diameter. 【Protective Cap】Master car battery cut off switch comes with protective waterproof cap, which can better protect the dust and water coming in the key hole. Easy to install & simple to use, 2 removable keys, waterproof cover for key hole. 【Package Include】 1 x Battery Disconnect Switch, 2 x Keys. Used for Car, Vehicle, RV and Boat, also electrical equipment's switch.