公开(公告)号：EP1020970A4

公开(公告)日：2002-08-21

申请号：EP98944259

申请日：1998-09-28

申请人： MITSUBISHI ELECTRIC CORP

发明人： TAKAHASHI MASAYUKI ,  SAKAI MICHIO ,  YORITA MITSUMASA ,  ITOTANI TAKAYUKI ,  MIYAMOTO SEIICHI ,  MARUYAMA TOSHIMASA ,  ITO TAKEFUMI ,  KAWAMATA IWAO ,  KIMURA TOSHINORI ,  KOYAMA KENICHI ,  SATO SHINJI ,  HISAMORI YOUICHI ,  SEKIYA TAKASHI

IPC分类号： H01H1/20 ,  H01H1/32 ,  H01H1/58 ,  H01H31/00 ,  H01H33/66 ,  H01H33/666 ,  H02B13/035 ,  H02B13/02

CPC分类号： H01H31/003 ,  H01H1/20 ,  H01H1/32 ,  H01H1/5822 ,  H01H33/66261 ,  H01H33/666 ,  H01H33/6661 ,  H01H33/6664 ,  H01H2033/6668 ,  H02B13/0354

摘要： A switch gear comprising a bus side conductor; a load side conductor; a grounding conductor; a main circuit switching unit for bringing the bus side conductor and the load side conductor into and out of contact through a first fixed electrode and a first movable electrode making a pair; a ground switching unit for bringing the load side conductor and the grounding conductor into and out of contact through a second stationary electrode and a second movable electrode making a pair; a first driver for driving the first movable electrode; a second driver for driving the second movable electrode of the ground switching unit; and a vacuum enclosure, wherein the one end of the bus side conductor, the load side conductor and the grounding conductor, the main circuit switching unit and the ground switching unit are disposed inside the vacuum enclosure, and the first driver and the second driver are disposed outside the vacuum enclosure.