The CFB5-63 and CFB5Z-63 series of miniature circuit breakers are suitable for circuits with an alternating current of 50Hz, a maximum rated AC voltage of 400V, a maximum rated DC voltage of 220V, and a rated current of up to 63A. They are used for overload and short-circuit protection of lines, lighting, and power equipment. They can also be used for infrequent on-off switching of lines and equipment under normal conditions.

This series of miniature circuit breakers is developed by Huatong Electromechanical specifically for the communication industry. It features high current-limiting ability and high reliability. It is mainly used in power distribution systems such as main cabinets, power cabinets, distribution cabinets, outdoor cabinets (rooms), lightning protection boxes in the communication industry, and high-end real estate projects. The products in this series are made of high-quality materials and have passed the strict tests of well-known manufacturers in the communication industry.