| 摘要 |
The invention relates to a drive device, in particular for a multi-position switching apparatus, for example for a disconnecting and earthing switch, the movable contact piece (11) of which can be brought into three different positions: switched-on position, disconnected position, earthing position, and back, comprising a carrier (22) which can be moved linearly by means of a linear motion drive (18, 16), wherein an electromagnetically controllable link motion (41, 42) is provided, which retains and locks the carrier (22) in the three positions. |
