... rails are also availableWidely used in guesthouses, block of flats, high buildings, squares, airports, railway stations, plants and enterprises in ... (3 pole) 50Hz for protection of overload short circuit and for circuit change-over in lighting system breaking capacity is 3KAType ... 000A; AC400V 2P, 3P 3000AElectrical life: 4,000 times BH Miniature Circuit Breakers MCB with Black Bakelite Shell Case