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20kw380v用多大的电缆
更新时间: 2019-04-14 00:00:00  

三相380V、功率20KW如果负荷为电动机,电流约不到40A,可选VV-0.6/1KV-3*10mm2电缆,空气中敷设额定载流量49A,6mm2的电缆额定载流量只有34.8A,偏小。

GB50217-2007《电力工程电缆设计规范》附表数据如下:

表中数据是铝芯的,铜芯的乘以1.29。

关键词: 20kw380v 电缆

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