Please do not too much to force the locks and handle when open the door in order to avoid reducing the useful life of hardware.
开启门锁或转动门锁把手时，不要用力过猛，以免减少门锁的使用寿命。
Disclosed is a switching mechanism for a motor protection circuit breaker capable of reducing a force required to adjust a handle, and capable of enhancing the reliability to break a circuit.
本发明公开了一种用于电动机保护断路器的开关机构，所述开关机构能够减小调节手柄所需的力，并能够加强断开电路的可靠性。
Disclosed is a switching mechanism for a motor protection circuit breaker capable of reducing a force required to adjust a handle, and capable of enhancing the reliability to break a circuit.
本发明公开了一种用于电动机保护断路器的开关机构，所述开关机构能够减小调节手柄所需的力，并能够加强断开电路的可靠性。
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