1Automatic circuit breaker, with push button disconnect and unique push button reset, can also be used as a kill switch. 2The automatic circuit breaker comes with builtin high current terminal and the high temperature enclosure including cover. 3Prevents excessive current and overload protection for amps, audio electronics, audio/video systems, and accessories from damage. 4Suitable for car audio/video system, boat, trucks, buses, RV's, ATV winches and marine and DC sound amplifier system. 5The installation is extremely convenient, simply mount on panel or firewall, easy to operate with manual reset arm, greatly save your time. 6When the current reaches the disconnect value, the circuit breaker will automatically cut off the power supply, more intelligent to use.