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浴室隔离变压器额定功率需≥所接负载功率的1.25倍：剃须刀/电动牙刀仅需20-50VA型号，但吹风机（通常1000-1800W）必须选专用大功率型或直接禁用，普通20VA剃须刀插座变压器带不动吹风机

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Unverified若要直接开关加湿器、除湿机等大功率电器，需确认继电器负载能力：普通10A继电器只能带约2000W以下设备，压缩机式除湿机启动电流大，应选带16A继电器或配交流接触器的型号78% similar Unverified换气扇能耗主要看电机功率，常见卫生间换气扇功率20-40W，直流变频电机比传统交流电机节能约40%，长时间运行(如新风持续换气)时差异明显77% similar

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