The efficiency is quite low when the motor is running under the rated load.
在低于额定负载时，电机的运行效率较低；
Its advantages are high drive efficiency, soft start of electric motor, and overload protection.
本偶合器传动效率高，可实现电动机软启动，过载保护。
Its advantages are high drive efficiency, soft start of electric motor, and overload protection.
本偶合器传动效率高，可实现电动机软启动，过载保护。
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