This high-quality car power-off rotary switch is a heavy-duty battery isolator and disconnect switch, designed for reliable power control in automotive, marine, and off-road vehicles. Rated for up to 275 amps at 12V or 24V systems, it provides safe and secure battery isolation to protect circuits during maintenance or emergencies. Featuring a durable rotary design with clear position labeling, this switch ensures quick and easy disconnection of electrical power, making it ideal for use in high-current applications such as RVs, boats, trucks, and specialty vehicles.