Key benefits - Provides reliable protection for electrical systems from overcurrent, including high current consumption, short circuits, wiring errors, device faults, and other high current events. - Battery disconnect switch can be mounted on a switch panel or firewall for convenient system isolation. - Manual switch-off design allows safe maintenance: press the oval red button on the lock to disconnect, the long handle pops up to interrupt power, then reconnect as described and pull the long handle back to its original position. - Durable construction using high quality plastic and alloy materials with high temperature and pressure resistance, good conductivity, corrosion and weather resistance, excellent thermal conductivity, and stable performance. - Compact and versatile: size 7.4 x 4.9 x 4.5 cm, easy to install on panels or firewall. Specifications and features - Material: high quality plastic and alloy - Product size: 7.4 x 4.9 x 4.5 cm - Manual switch-off design: disconnect the circuit during reinstall, press the oval red button on the lock, long handle automatically pops up to interrupt power, reconnect as described and pull the long handle back to its original position. Easy to install on a panel or firewall. - Function: designed to protect the system from overcurrent due to high current consumption, short circuit, wiring errors, device faults or other high current events - Mounting: battery disconnect switch can be mounted on a switch panel or firewall Models and compatibility - Operating mode: electronic - Polar number: monopoly - Input voltage: 12-42V DC - High current protection (optional): 30A, 40A, 50A, 60A, 80A, 100A, 150A, 200A, 250A, 300A - Different models available to meet varying requirements Use scenarios - Automotive and motorcycle electrical systems: protect battery and wiring in 12-42V DC environments, and provide a safe disconnect during maintenance or storage. - Marine, RV, and off-grid installations: isolate battery banks, protect heavy loads, inverters, and charging systems on panels or firewall mounting. - Solar power or backup power setups: safely disconnect the battery bank for service or to prevent backfeed, while using models with appropriate current ratings.