| 摘要 |
<p>The invention relates to an assembly concerning to low-voltage, medium-voltage or high-voltage use having at least one short circuiting device in which a moving contact piece can be closed onto a fixed contact piece. In order to prevent breakdown in any case under rated voltage condition, it is proposed in the invention, that along the moving path of the moving contact piece (50) are arranged at least two separated vacuum zones or vacuum volumina (60, 100).</p> |
