... 额定频率(Rated Frequency)(Hz): 过电流脱扣器(Over-current release) 电流设定及精度(Current Setting and Accuracy): ...
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over electric current tripping device
...过电流脱扣器、单相短路电流 [gap=354]Key words: the long time delay, the short time delay, instantaneous, over electric current tripping device, single phase short-circuit current ..
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overcurrent trip
overcurrent release
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