| 摘要 |
<p>The present invention relates to an auxiliary switch device constituting an adjunct of a main switch apparatus (2) and including, in a box which can be fixed to the side of the main apparatus (1), a movable element (14) capable of being coupled up by way of coupling means (15) to a rig (28) linked to the moving contacts of the main apparatus (2) and serving to switch the current between two connection terminals (12, 13), characterised in that it includes at least one circuit (3 or 4) of the proximity detector type, mounted in the box (11) and able to detect the movements of the mobile element (14) so as to provide for the switching between the said connection terminals (12, 13), as a function of the position of the mobile rig (28) of the main apparatus (2). <IMAGE></p> |
