On-Off Battery Disconnect Switch Widely Application: The battery switch widely applies to sailboats, yachts, mariners, SUVs, buses, passenger cars, caravans, motorcycles, trucks, etc.The heavy-duty power disconnect can protect your battery for a long time, as well as prevent electrical leakage and protect your safety!High quality material: silver plated copper + flame retardant reinforced nylon.Package Included: 1 Battery Switch / 1 Bottom Cover / 4 Bolts / 4 Baffles (Stud Size: 3/8''(10mm)). Easy to install The installation process of the battery switch is very simple.Please pay attention to the layout of the positive and negative lines, then tighten the four screws to prevent the cable connector from being exposed to air and causing oxidation. Convenient ON/OFF The ON/OFF button is very easy to use and will not appear stuck.ON (green) represents closed circuit and OFF (red) represents cut-off circuit.Disconnect the power supply effectively to avoid power loss. Extra Heavy Duty Working Current: 275 A continuous at DC 12V / 455 A intermittent at DC 12V / 1250 A momentary at DC 12V.DC 12 - 48 V systems, On/Off 2 position. Suitable for car, vehicle, motorhome, marine boat, etc. Durable Material The battery disconnect switch is made of premium CE listed ABS plastic housing.Moisture-proof, UV protection, anti-aging, long service life.The rear cover insulates the terminals against any short circuits, meeting safety requirements and preventing electrical accidents.