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 ABS, with a long service life. It accepts 0/2/4/8 specification power cords with adapters for direct connection with all 12, 24,48 volt systems. Application: Provide protection for overload or short-circuit current when using high current electricity such as automobiles, ships, trucks, buses, 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. Colour:Black Material:ABS Package Contents: 1 x Self Recovery Circuit Breaker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.