[KongchangAI]
Unverified85% confidenceFactTime unknown

分断能力(Icu/Icn)需≥4500A(4.5kA),普通家用推荐6kA:分断能力决定短路时能否安全切断,离变压器近或大城市市电容量足的区域应选6kA,这是廉价智能断路器最容易缩水的隐形参数

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