... overload and short-circuit in the system. The product is neoteric in structure, light in weight, reliable and excellent in performance. It has ... plastics. The product, with long life, is mainly used in AC 50Hz/60Hz single-pole 230V or two, three, four ... unfrequent on-and-off switching electric equipment and lighting circuit in normal case. The products comply with IEC 60898.SpecificationsNumber of ...