| 摘要 |
<p>PURPOSE: A circuit breaker is provided to be switched off by activating a trip coil or pushing a manual off switch before applying a trip free locking device. CONSTITUTION: A circuit breaker includes a lay shaft(110), a lay shaft cam, a lifting plate(152), and a padlock plate(153). The lay shaft is connected to the contact of the circuit breaker. The lay shaft is connected to the lay shaft cam. The lay shaft cam includes the blocking mechanism. The blocking mechanism is a blocking pin. The lifting plate is connected to the lay shaft cam. The lifting plate includes a blocking cam profile. The blocking cam profile is combined in the blocking pin. The padlock plate is combined in the lifting plate.</p> |
