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yongchunbing
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樓主  發(fā)表于: 2011-04-14 19:05
磁簧開(kāi)關(guān)用直流24伏供壓工作，開(kāi)關(guān)電源沒(méi)有接地，送電后磁簧開(kāi)關(guān)立馬冒煙爆掉，開(kāi)關(guān)電源加有接地線(xiàn)后，磁簧開(kāi)關(guān)使用正常。這是為什么呢 ？
ykykkhor
Best Regards,YK
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1樓  發(fā)表于: 2011-04-15 00:03
接地后正常表示有 交流 漏電

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