[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

最大持续工作电压Uc必须高于电网正常最高电压:220V单相系统Uc应≥275V(预留电压波动余量),若选Uc=250V在电网电压偏高时会加速老化甚至误动作

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