Features: 1) Used in lighting distribution system or motor distribution system for protecting overload and short-circuit in the system 2) Novel in structure, light in weight, reliable and excellent in performance 3) Has high breaking capacity 4) Can trip quickly 5) With installation guide 6) Its case and items are adopted by high fire-resistant and shockproof plastics 7) With long life 8) Mainly used in AC *0Hz/*0Hz single-pole **0V or two, three, four-pole **5V circuit for overload and short-circuit protection as well as for infrequent on-and-off switching electric equipment and lighting circuit in normal case 9) Comply with IEC **8 & BS ***1