... branch circuit 2. Standard 7" HMI display PMAC201 telecom meter - data center Main Module Metal case design, high grade EMC capability Sampling ... voltage220Vph-N, (optional 230V), Range: 10%-120%, Accuracy: 0.5%Rated current (Main circuit)5A, Range: 1%-120% rated, Accuracy ... (Branch circuit)50A, Range:1%-100% rated, Accuracy:0.5%Frequency50Hz, Range:45-60Hz, ±0.01HzPower factorAccuracy of Main:1 ...