Description Are you looking for a professional, yet affordable circuit breaker? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our professional circuit breaker must meet you needs. It is one of the best choices for you. Features - Color: Black. - Size: 7 x 8.5 x 3 cm. - Material: Plastic, metal. - Current: 300A. - High amp thermal trip circuit breakers with a manual reset switch suitable for use on auxiliary DC electrical systems. - The recoverable fuse automatically disconnect and protection circuit when the current reaches a predetermined value. - Compared with ordinary fuses, its sensitivity is very high, it can protect circuit and electrical appliances in time; it can be manually restored and used continuously after disconnection and troubleshooting; it can control high current circuits. - Widely used for automobile with speaker, car double battery isolator, winch and other high current when using electricity, to provide protection in case of overload or short circuit current. - Easy to install, can be mounted on any flat panel or on a wall or in the car.Package list: 1 x circuit breaker