公开(公告)号：US20150248976A1

公开(公告)日：2015-09-03

申请号：US14711254

申请日：2015-05-13

Applicant: ABB Technology Ltd.

Inventor： Francesco Pisu ,  Jadran Kostovic ,  Sami Kotilainen ,  Timothy Sutherland

IPC: H01H9/38

CPC classification number: H01H9/386 ,  H01H1/38 ,  H01H1/44 ,  H01H1/46 ,  H01H1/50

Abstract: An electrical switching device including at least a nominal contact arrangement, the nominal contact arrangement at least a first nominal contact with a plurality of nominal contact fingers forming a finger cage concentric with respect to a longitudinal axis (z), and at least a mating second nominal contact. An arcing contact arrangement including a first arcing contact and a mating second arcing contact. An arcing contact finger including at its free end a first impact area in which a first contacting to the second arcing contact occurs when closing, the electrical switching device. The first impact area is formed by a first planar surface arranged at an inclination angle (α) larger than zero degrees with respect to the longitudinal axis (z).

Abstract translation: 一种电气开关装置，包括至少一个标称触点装置，该标称触点布置至少一个第一标称触点与多个标称接触指形成相对于纵向轴线（z）同心的手指笼，以及至少一个配合的第二 名义接触 一种电弧触头装置，包括第一电弧触点和配合的第二电弧触点。 电弧触头在其自由端处包括第一冲击区域，在关闭时第一冲击区域与第二电弧触点发生第一接触，电开关装置。 第一冲击区域由相对于纵向轴线（z）以大于零度的倾斜角（α）布置的第一平面形成。