Switch device and power drived switch apparatus


Application Number: 00104935
Application Date: 2000.03.31
Publication Number: 1269591
Publication Date: 2000.10.11
Priority Information: 1999/4/1 JP 095583/99; 1999/10/26 JP 303732/99; 1999/12/13 JP 353222/99
International: H01H33/66;H01H33/662;H02B13/02
Applicant(s) Name: Mitsubishi Denki K. K.
Address:
Inventor(s) Name: Maruyama Toshimasa;Sato Toshifumi;Miyamoto Hijiichi
Patent Agency Code: 31100
Patent Agent: wang hongxiang
Abstract The switch gear comprises: a switching mechanism including a first fixed contact piece 21a to be electrically connected to a bus, a first movable contact piece 22a to be contacted with and removed from the first fixed contact piece 21a, a second fixed contact piece 31a to be electrically connected to the first movable contact piece 22a and also to be electrically connected to a transmission cable, and a second movable contact piece 32a to be contacted with and removed from the second fixed contact piece 31a and also to be grounded externally; a vacuum container 10 for storing the switching mechanism therein; and, an insulating mold 60 for covering the vacuum container 10, the mold 60 including on the surface thereof a conductive layer 60a for grounding.