本产品是三相自耦式多抽头变压器,主要用作交流电源电压转换、改变输入或输出接线方式,可以获得多种升压或降压的输出电压,适用于各种性质的负载,凡需要交流电压转换的家用电器、仪器设备,均可使用本产品。This produtc is a3-phase autoconnected multi-tapped teansfomer and is mainly used to transform voltsge for AC power 输入电压:380/400/420V 输出电压:220/240/110V 额定功率:30KVA