| 摘要 |
<p>A contactor having electromagnetically operated contacts, wherein main contacts and connections for power supply are arranged in a bottom area of the contactor and contact control means such as electric magnet and coil are arranged above the main contacts, the contactor having a contactor enclosure (1) being sequentially detachable in two dependent, sucessive steps through a locking element (24) utilized by both steps, such that in a first step access is provided to the contactor main contacts (5, 6, 7), and in a second step access is provided to the electric magnet and coil (16, 18, 19), said locking element (24) being formed to engage a first (29) and second (31) arresting seat defined in the contactor enclosure (1), the arresting seats being arranged to urge the locking element (24) into engagement with the second arresting seat (31) as the locking element is released from engagement with the first arresting seat (29).</p> |
