BH series overload short circuit single pole circuit breaker is characteristic of small size, light weight, novel structure and excellent performance. They are mounted in the illuminating distribution board and used in guesthouses, block of flats, high buildings squares, airports, railway stations, plants and enterprises ext, in AC circuits 240V (Single pole) up to 415V (3 pole) 50Hz, for protection of overload short circuit and for circuit change-over in lighting system. Breaking capacity is 3KA.