| 摘要 |
<p>The contact, for earthing and short circuiting a busbar, has automatic locking elements comprising two jaws. One of the jaws is fixed and the other movable. The contact has a device that automatically presses the moving jaw towards the fixed jaw. Elements are provided for immobilising the moving jaw, for pressing the moving jaw, and for disengaging the elements to allow the jaws to release the busbar.</p> |
