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51问答网 > 配电箱里面380总开关进线端烧线是什么原因？

配电箱里面380总开关进线端烧线是什么原因？

2025-03-28 11:43:58

推荐回答（3个）

回答1：

首先可能是因为你选择的电缆线径与载流量不匹配，线径过小导致电阻大产生高热烧坏线路。另一种情况就是接触不良，导致大电阻也是产生高热将导线烧坏。

回答2：

这种情况一般是接触不良造成的，可以将被烧的线头用砂纸打磨干净，将开关接线端子也要处理一下，然后压接好就可以了

回答3：

上图吧，无图无真相

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