mcb,Mini Circuit Breaker applicable to a line of AC 50Hz ... infrequent line conversion under the normal condition. The breaker is applicable tolighting distribution system in industrial enterprise, ... , 3P, 4P Rated current (A) 1,2,3,4,6,10,16,20,25,32,40,50 ... release B,C,D Rated short circuit breaking capacity Icn(KA) 6 3.Applicable conducting wireRated current(A) ... 40,50A 10 63A 16 Miniature Circuit Breaker