若连续起动时间过长，将造成蓄电池大量放电和起动机线圈过热冒烟，极易损坏机件。
Consecutive start-up time is too long, would result in battery discharge and substantial smoke starter coil overheating, mechanical damage easily.
本装置配有过流保护、负序电流保护、零序电路保护、起动时间过长保护、低电压保护。
Over current protection, negative current protection, zero sequence current protection, over time of start protection and low voltage protection is configured in the device.
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