2 position selector switches 0N, OFF: battery isolator switch main switch. It can be used independently or connected to other switches to insulate, and can be used with 12V to 24V DC systems to isolate and protect electrical systems. Widely used: isolator switch main switch, suitable for automotive electronics, electrical products and all types of 12 V/24 V vehicles, boats, vans, caravans etc. Safe save: battery 12 V, with this cut-off switch for the marine battery, the battery can be safely separated to reduce the power consumption of the battery when the vehicle or boat is not in use. The battery disconnect switch can turn off the power supply of the vehicle or the battery on board from safety target. If you do not use the battery for a longer time, you can also save energy. Easy to use: battery switch boat, our battery disconnect switch is easy to install and use. On/off 2 positions, 2 mounting screws (diameter 3/8 inches (10 mm). With a complete accessory set, installation is quick and easy. The isolator switch is small, it will not feel difficult when you use it, and at the same time the overall appearance of your car or boat will not be as strong as possible. Strong material: battery disconnect switch, battery main switch made of ABS plastic housing with 4 screw sets and its shell made of fibre-reinforced plastic, which resists collision and corrosion. It is safe, used in the high temperature environment for marine applications, durable and robust, high strength and high strength. Description: The switches off the battery safely to eliminate the power consumption of the battery when the vehicle or boat is not in use. The battery, battery switch motorcycle cut-off switch has a control button. Switch 12 V 2 positions: on and off. Battery isolator switch battery master switch suitable for yachts, boats, trucks, buses, motorcycles, cars etc. Specifications: Material: metal and plastic. Screw material: copper tin plated. Operation: 1-2-Both-Off. Fitment type: direct replacement. Quantity: 1 item. Operating voltage: 12 V/24 V. Box contents: 1 x car battery cut-off switch, 300 A