| 摘要 |
<p>Protective electrical switching device having a box provided on its front face with a start push-button and with a stop push-button carried alternately in the depressed and raised position relative to this face. The start push-button (14) comprises a through-recess (21) which is uncovered in the raised position and into which is inserted a removable locking unit (20). The unit (20) carries a grasping region (22), an element (23) for abutting against the button and a region (24) provided with a through-orifice (25) for padlocks. Application to circuit breakers for engines. <IMAGE></p> |
