- FUKPO Master Disconnect Switch for 12V, 24V, and 48V batteries, ideal for vehicles and boats. - High-strength ABS plastic housing and tin-plated copper inner core for excellent conductivity and protection against oxidation. - Isolates the battery to prevent unnecessary discharges and extend its lifespan, minimizing energy loss. - Compatible with 12-48V electrical systems, supports 275A continuous, 455A intermittent, and 1250A peak current. - Easy installation and use thanks to its control knob and clearly visible ON/OFF position labels. - Suitable for cars, trucks, boats, caravans, motorhomes, and 12-48V electronic equipment. - Includes 1 switch and 4 mounting bolts, compact and durable design for maximum safety and efficiency.