电磁铁或手动操作，按下并旋转手动操作钮可实现手动状态锁定。气动弹簧复位、机械弹簧复位、电磁铁操作复位。

Solenoid or manual operation, press the button and rotate manual operation can achieve a state of lock manually. Reset pneumatic spring, mechanical spring reset, reset electromagnet operation.

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在这个位置，需保证仍可以操作手车上的ON - OFF铵钮，进行这个操作时，断路器上闭锁电磁铁的功能应手动解除。

In this position, it must still just be possible to move the ON-OFF operating shaft. For this test, the function of the blocking magnet must be deactivated manually.

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