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公开(公告)号:EP4443460A1
公开(公告)日:2024-10-09
申请号:EP24305412.9
申请日:2024-03-20
发明人: JI, Xuefeng , GAO, Xiaoliang , ZHANG, Haibo , ZHUANG, Yangyang
摘要: An isolating switch, including a housing (1) , which includes a first wall (10) and a second wall (20) which are oppositely arranged, and a third wall (30) and a fourth wall (40) which are oppositely arranged; a movable contact assembly which includes a movable contact bracket (50) being pivotally arranged in the housing and a first movable contact (51) arranged on the movable contact bracket and being able to pivot together with the movable contact bracket; a first stationary contact (61) fixedly arranged in the housing at a side close to the first wall and being able to contact and separate from the first movable contact; a first arc-extinguishing chamber (71) arranged in the housing at a side close to the third wall, and including a plurality of arc-extinguishing grids (80) sequentially arranged from a position close to the first stationary contact to a side of the second wall; the housing is provided with a first exhaust port (110), a second exhaust port (120) and a third exhaust port (130), the first and second exhaust ports are arranged on the first wall, the first exhaust port is closer to the first stationary contact than the second exhaust port, the second exhaust port is arranged between the first exhaust port and the third wall, the third exhaust port is arranged on the second wall and adjacent to an arc-extinguishing grid closest to the second wall in the first arc-extinguishing chamber.