General description Battery Isolator Switch is a 12V 250A battery disconnect switch designed for easy and convenient use. Featuring a vertical knife blade type, simply lift the blade to cut off the power. This switch is widely applicable for various vehicles including cars, RVs, ships, buses, trucks, and tractors. Technical specifications Voltage: 12V Current rating: 250A Material: Solid brass Corrosion resistance: Rust and corrosion resistant Usage Used to isolate and secure the electrical system, this switch safely disconnects the battery, eliminating all battery power consumption when the vehicle or boat is not in use.