1.CCC,ISO,CE approved 2.More than 15 years of production experience 3.OEM allowed 4.Usage: Current Secondary Current: 5AFrequency: 50-60HzRated Votlage: 720VSecurity Factor: High Voltage Test: 4KVeff,50Hz,1MinWeight: 130-180grModelRated Current(VA)Rated Burden(VA)AccuracyClassRated Voltage(V)Rated Frequency(Hz)DSC50/5A-400/5A1.5~51.0~0.572050/60 DSC Current Transformer(DSC-30)