近期的柴油短缺以及北方糟糕的天气状况更是让本已超载运转的快递业雪上加霜。
The recent shortage of diesel oil and bad weather conditions in northern China, have compounded the problems of an already overloaded express delivery market.
在运转过程中，避免因物料过长或超载引起的设备卡壳或电机短路，而导致减速电机的损坏，建议用户加装过载保护装置。
During the operation, if the conveyor is overloaded, the device may get stuck of the electric machine. To avoid it, it is suggested that a protection device for overload should be installed.
本装置可检测风扇运转时的温度及电流；当温度过高或电流超载时，可自动关闭风扇的电源。
The fan protector can detect the temperature and current of fan and turns of the fan automatically incase of overheat or overcurrent.
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