[KongchangAI]
Unverified86% confidenceDecision RuleTime unknown

标准配电箱为35mm DIN导轨安装,选购前需测量断路器模数(每18mm为1P)与箱内剩余空间,带计量的智能断路器普遍占2-4P,老配电箱位置不足时改造成本高

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