1High Current Battery Power Off Switch: This power off switch rated current is 500A, instantaneous current is 5000A, operating voltage is 12V to 48V. 2Waterproof and Durable: Cut off switch is made of premium material, with sealing, waterproof function, good stability, heavy fixed die cast handle metal body, to meet the harsh environment, long service life. 3Simple Operation: Just turn the knob to open or close. The knob switch can be locked on the panel to prevent accidental closing or opening for increased safety. 4Easy to Install: Compared with remote control switches, this power switch does not need programming or coding, and the operation is very simple and does not require professional skills. 5Wide Applications: Battery power off switches with locking panels are widely used in motor homes, yachts, trucks, cars, engineering vehicles and electrical equipment switches.