Application NDC65 mini circuit breaker is mainly used for overload and short circuit protection in circuit of AC 50Hz,three phase 400v, single phase 230V and rated current up to 63A,it has the following main characteristic as high breaking capacity ,strong function of current limited and the wide rang of selecting and so on ,the items comply with IEC60968,GB10963-1999,GB16916 and GB16917 standards.