100A battery switch, rotary circuit breaker, suitable for automobiles, trucks, ships and marine equipment.

【Wide Applications】: This battery circuit breaker is widely used in automobiles, ships, RVs, campervans, trucks, ATVs, off-road vehicles, and other equipment powered by 12V/60V batteries. 【Multiple Uses】: This battery circuit breaker can be used as a switch for various 12V battery-powered devices, suitable for indoor and outdoor use (e.g., strobe lights, chassis lights, and fog lights). 【Function】: When the vehicle or ship is not in use, it cuts off the battery power, safely disconnecting the battery connection and preventing battery discharge. 【Superior Quality】: The bolts and screws of the battery circuit breaker are made of copper and brass, offering excellent conductivity, oxidation resistance, and corrosion resistance. The housing is made of durable, waterproof ABS plastic. The rear cover insulates the terminals, effectively preventing short circuits and electric shock. 【Easy to Use】: Simply rotate the knob to disconnect and reconnect the battery, effectively solving battery discharge problems.