t is novel in structure,light in weigh,reliable and excellent in performance.It has high breaking capacity,can trip quickly and its installation uses with guide.Its case and items are adopted by high fire-resistant and shockproof plastics.The product,with long life,is mainly used in AC 50Hz/60Hz single-pole 240Vortwo,three,four-pole 415V circuit for overload and short-circuit protection as well as for unfrequent on-and-off switching electric equipment and lighting circuit in normal case.The prod