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708 63 amp mcb breaker 3p products are offered for sale by suppliers on Alibaba.com, of which miniature circuit breakers accounts for 83%, circuit breakers accounts for 8%, and moulded case circuit breakers accounts for 3%. A wide variety of 63 amp mcb breaker 3p options are available to you, such as c, b and d.You can also choose from home, industrial and protective 63 amp mcb breaker 3p,as well as from li, lsi, and lsig 63 amp mcb breaker 3p,and whether 63 amp mcb breaker 3p is white, or black.