DZ47-63 series circuit breaker is used in the lighting distribution system or motor distribution system to protect the systems overload and short-circuit. The product is novel in structure, light in weight, reliable, and excellent in performance. It has a high breaking capacity, can trip quickly, and is installation uses with a guide, its case and items are adopted with high fire-resistant and shockproof plastics, The product, with long life, is mainly used in AC 50Hz/60Hz single-pole 230Vor two, three, four poles 400v circuit for overload and short-circuit protection as well as for unfrequent on-and-off switching electric equipment and lighting circuit in the standard case. The product complies with Gb10963, IEC898 BS3871.