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谁知道4平方铜线最大负荷是多少
更新时间: 2020-07-02 00:00:00  

4平方铜芯电线是25-32A。

按公式计算,三相应该不大于,铜:28kw;铝:22kw,功率因数为1时,而且距离不远,单相时不应大于,铜:10kw;铝:7kw。

4平方的绝缘铝线标准载流量为33A左右,4平方铜绝缘线为42A。明线可承载7000W的电器功率,暗线最大承受电器功率一般在5500W左右。

关键词: 知道 平方 铜线 负荷 多少

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