公开(公告)号：CA2833486C

公开(公告)日：2020-06-30

申请号：CA2833486

申请日：2013-11-12

Applicant: ABB TECHNOLOGY AG

Inventor： PISU FRANCESCO ,  HEIERMEIER HELMUT ,  KOSTOVIC JADRAN ,  KORBEL JAKUB ,  LIENHARD LUCA ,  KARRER RETO ,  SUTHERLAND TIMOTHY

IPC: H01H1/36 ,  H01H1/56 ,  H01H71/08

Abstract: The invention relates to an electrical switching device for medium or high voltage circuits having at least a nominal contact arrangement, wherein the nominal contact arrangement comprises at least a first nominal contact comprising a plurality of contact fingers forming a finger cage concentric with respect to a longitudinal axis, wherein the contact fingers are separated from one another by empty slots extending up to a free end of the contact fingers . The empty slots comprise first and second empty slots, wherein the second empty slots are shorter than the first empty slots, and wherein the contact fingers are grouped in groups, with the contact fingers of each group being separated by second empty slots and the contact fingers of adjacent groups being separated by first empty slots.

公开(公告)号：CA2833486A1

公开(公告)日：2014-05-13

申请号：CA2833486

申请日：2013-11-12

Applicant: ABB TECHNOLOGY AG

Inventor： PISU FRANCESCO ,  HEIERMEIER HELMUT ,  KOSTOVIC JADRAN ,  KORBEL JAKUB ,  LIENHARD LUCA ,  KARRER RETO ,  SUTHERLAND TIMOTHY

IPC: H01H1/36 ,  H01H1/56 ,  H01H71/08

Abstract: The invention relates to an electrical switching device for medium or high voltage circuits having at least a nominal contact arrangement, wherein the nominal contact arrangement comprises at least a first nominal contact comprising a plurality of contact fingers forming a finger cage concentric with respect to a longitudinal axis, wherein the contact fingers are separated from one another by empty slots extending up to a free end of the contact fingers . The empty slots comprise first and second empty slots, wherein the second empty slots are shorter than the first empty slots, and wherein the contact fingers are grouped in groups, with the contact fingers of each group being separated by second empty slots and the contact fingers of adjacent groups being separated by first empty slots.