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13760751229
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樓主  發(fā)表于: 2017-12-27 09:58
如題

從單相220V/三相380V/50HZ的電源換到單相110V/三相220V/50HZ，塑料殼斷路器/斷路器/接觸器。。電氣配件需要不要換呢？

我的經(jīng)驗之談是： 功率=電壓*電流，所以電路里面的電流會(huì )大一倍，之后所有涉及電流規格的電氣配件都要換大一個(gè)規格的

望   有經(jīng)驗的大師淺淡分享啊
往事如風(fēng)
科技改變制造
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1樓  發(fā)表于: 2017-12-28 09:24
電氣配件有個(gè)工況標準（如工作電壓、額定電流、短路電流等等），在范圍內符合即可，不符合肯定要更換符合的，否則設計人員要承擔后果責任。
三人行者必有我師 ，擇其善者而從之

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