DZ47-63 series MCB(Miniature circuit breaker) is mainly suitable for avoiding overload and short circuit. It is especially used in illumination and distribution system of industry and commerce. Its appearance is small and exquisite, its capability is favorable and credible. It has high breaking capacity. The shell and parts are made of fire resistance and shock resistance plastics. It has a long life. It is mainly used for avoiding overload and short circuit of AC 50/60 Hz voltage of single pole 230V and two, three or four poles 400V circuit. It can also be used for unfrequent switch(turn on and off the electrical equipment) apparatus and illumination circuit under normal condition. This products comply with GB10963.1 standards.