30A-300A Amp Circuit Breaker Audio Fuse 12V-48V DC Car Boat Manual Reset Switch

High amp thermal trip circuit breakers with a manual reset switch. 30A-300Amp Car Auto Circuit Breaker Audio Fuse Holder Switch Universal 12-48V DC. [Manual power off] We need to disconnect the circuit when refitting, directly press the elliptical red button on the fuse, then the long handle will automatically pop up to cut off the power.