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51问答网 > 三相四线电流300安怎么选用电表计算公式跪求师傅！

三相四线电流300安怎么选用电表计算公式跪求师傅！

2025-03-14 21:42:56

推荐回答（3个）

回答1：

400A的塑壳式断路器一个 400/5 0.5s级电流互感器三只 1.5（6）A 3×220/380V三相四线电子式电能表一块 4平方铜线若干铜鼻子（铜铝鼻子）若干个

回答2：

选1.5(6)的互感电表，400/5的互感器。

回答3：

电表DT862互感器 300/5

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