Features: Large current thermal trip circuit breaker with manual reset switch, suitable for auxiliary DC electrical system, when the current reaches a predetermined value, the fuse can be restored to automatically disconnect and protect the circuit Circuit protection function: When the current reaches a predetermined value, the recoverable fuse will automatically disconnect to protect the circuit. Prevent excessive current and protect electrical appliances. Overcurrent protection, overvoltage protection, residual current protection, overcharge protection. Simple installation: No need to replace the built-in fuse, and it can also be used as an on/off button battery switch. The circuit breaker has simple installation steps and can be installed on any flat panel, or on the wall or in the car. Material and wiring: The shell and parts are made of highly flame-retardant and anti-vibration plastics, with a long service life. It accepts 0/2/4/8 specification power cords with adapters for direct connection with all 12, 24 volt systems Application: Provide protection for overload or short-circuit current when using high current electricity such as automobiles, ships, ships, RVs, caravans, tractors, loudspeakers, horns, automobile dual-battery isolators, and winches. Audio circuit breakers, Large current thermal trip circuit breaker with manual reset switch, suitable for auxiliary DC electrical system.