This miniature circuit breaker protects circuits against short circuit and overload current. Its unique VisiTrip indicator reduces intervention time by showing the faulty circuit. Its VisiSafe green strip guarantees the physical opening of the contacts to allow downstream maintenance. Its fast-closing mechanism, independent of manual operation, improves its service life. It has an electrical endurance going up to 10000 cycles and a mechanical endurance going up to 20000 cycles.