The operation principleresult of saving power，mate rial and reliability of AC and DC usual auto-converting saving power instrument are expounded,which the operation-coil of AC contactor given AC and DC voltage is usual,output is even DC,on and off and kee
The operation principleresult of saving power，mate rial and reliability of AC and DC usual auto-converting saving power instrument are expounded,which the operation-coil of AC contactor given AC and DC voltage is usual,output is even DC,on and off and kee
论述了与交流接触器操作线圈适配的交直流输入(操作)电压通用、恒直流输出、吸合与保持电压无触点自动转换节电器的工作原理；接触器配用节电器后的节能节材效果及节电器的可靠性。