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qvbwg
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樓主  發(fā)表于: 2010-12-13 09:26
線(xiàn)圈電壓是220V的，接入兩只正常，接入第三只后都無(wú)法吸合了。
zggk117
天道酬勤；人道酬善；商道酬信；
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1樓  發(fā)表于: 2011-02-09 14:08
兩種情況：
1、電網(wǎng)電壓與接觸器電壓不附。
2、接觸器本身有質(zhì)量問(wèn)題，如觸點(diǎn)組部分被卡住等等。

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