The present invention discloses a switching mechanism (1), which has a main arresting mechanism (2) including a drive shaft (3) and a transmission output device (4) that coupled on the drive shaft;

一种电气开关锁扣机构（1），具有一个主锁扣机构（2），该主锁扣机构 包括一个驱动轴（3）和一个耦合在驱动轴上的传动输出装置（4）；

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