... : B,C,D type Breaking capacity: 3KA, 4.5KA, 6KA Application: C45N ( DZ47-63 ) high breaking capacity mini circuit breaker is used in AC50 ... /60HZ,rated voltage 230V/400V,rated current to 63A for overload and short-circuit protection ... , 32A,40A, 50A, 63A. Release curve: B type (3ln~5ln),C type (5ln~10ln),D type (10ln~14ln)Breaking capacity: 3KA, 4.5KA ...