... , Uc; 2. Current--Ia, Ib, Ic, In, I unbal, Max. I 3. Active power– Pa, Pb, Pc, ∑P 4. Reactive power – Qa, Qb, Qc ... circuit monitoring: 1. I, Max. I, P, Q, PF, kWh, kvarh, 2. Demand and Max. record for I 3. THD for I B—High configuration ... , Uc; 2. Current--Ia, Ib, Ic, In, I unbal, Max. I 3. Active power– Pa, Pb, Pc, ∑P 4. Reactive power – Qa, Qb, Qc ...