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longfei1982
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樓主  發(fā)表于: 2011-12-16 14:59
假如一個(gè)三級斷路器的問(wèn)題。一個(gè)三級斷路器的一相出現過(guò)載，另外兩相沒(méi)有出現過(guò)載會(huì )跳閘嗎。還有就是一級出現短路，另外兩級沒(méi)有短路，會(huì )出現跳閘嗎。例如三級分別控制單相負載。
yjhdlp
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1樓  發(fā)表于: 2011-12-16 20:05
只要短路電流，過(guò)載電流，超過(guò)額定電流都會(huì )跳。
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