RCT design Current Transformer: 1,There are 20A/5-6000/5A 2,Professional ... range, as a instrument transformer, RCT series Current Transformer, Accuracy Class 1, It is made according to IEC - 185 Standard, Rated ... (A)...20/5A~300/5A Rated power (VA)...1.5~5 Class...0.5/10 Rated voltage (V)...660 Rated frequency ... A) 20/5A~300/5A Rated Power(VA) 1.5~5 Class 0.5/10 Rated Voltage(V) 660 Rated Frequency ...