... port. MeasurementØ2 main circuits monitoring Include: U, I, P, PF, F, kWh, Demand, Harmonic, Current unbalance ØMax. 3 strips CT ... , Max. 63 branch circuits monitoring Include: I, P, PF, kWh, DemandTechnical Specification Power supply85~265V AC or 120~ 300VDCMTBF ...