DZ47(C45N) series circuit breaker is used in lighting distribution system or motor distribution system for protecting overload and short-circuit in the system . The product is novel in structure , light in weight , reliable and excellent in performance . It is high breaking capacity , can trip quickly and it's installation uses with guide , it's case and items are adopted with high fire-resistant and shockproof plastics . The product , with long life , is maily used in AC 50Hz/60Hz single-pole 240V or two , three , four-pole415V circuit for overload and short-circuit innormal case. This product comply with GB 10963 , IEC898 ,BS3871 .