DDS223 KWH meter,energy meter 1.Single phase two wire 2. ... service life3.LED display4.Different current for your choice.type DDS223 single phase electronic watt-hour meter adopt a large scale ... .Quick DetailsPlace of Origin:Zhejiang China(Mainland)Brand Name: MEBAModel: DDS223 Rated frequency: 50Hz/60HzRated operational voltage: 220VStandard and certificationIEC 62053 ...