公开(公告)号：US20160217950A1

公开(公告)日：2016-07-28

申请号：US15003131

申请日：2016-01-21

Applicant: ABB Technology AG

Inventor： Nicola Bresciani ,  Pierantonio Arrighetti

IPC: H01H33/10 ,  H01H33/42 ,  H01H33/74

CPC classification number: H01H33/10 ,  H01H1/226 ,  H01H9/342 ,  H01H9/346 ,  H01H33/42 ,  H01H33/74 ,  H01H2009/348 ,  H01H2205/002

Abstract: A low voltage switch pole which comprises an insulating casing having lateral walls and a front and a rear wall and defining an internal space with a contact area and an arc extinguishing area, a fixed contact assembly and a movable contact assembly being positioned in said contact area, said movable contact assembly being movable between a closed position in which it is into contact with said fixed contact assembly and an open position in which it is spaced apart from said fixed contact assembly, an arc chamber comprising a plurality of substantially parallel metallic plates inserted into an enclosure made of insulating material being positioned in said arc extinguishing area; the switch pole further comprises an insulating wall which is positioned in said internal space between said contact area and said arc extinguishing area and partially separates said contact area from said arc extinguishing area, a channel connecting said contact area to said arc extinguishing area being provided in said insulating wall.

Abstract translation: 一种低压开关极，其包括具有侧壁的绝缘壳体和前壁和后壁，并且限定具有接触区域和灭弧区域的内部空间，固定触头组件和可动触头组件定位在所述接触区域中 所述可动接触组件可在其与所述固定接触组件接触的关闭位置和与所述固定接触组件间隔开的打开位置之间移动，电弧室包括多个基本上平行的金属板，所述金属板插入 进入由绝缘材料制成的外壳，其位于所述灭弧区域中; 所述开关极还包括绝缘壁，所述绝缘壁位于所述接触区域和所述灭弧区域之间的所述内部空间中，并且部分地将所述接触区域与所述灭弧区域分开，将所述接触区域与所述灭弧区域连接的通道设置在 说绝缘墙。