... monitoring and displaying electric parameters include voltage, current, active power, reactive power, power factor, frequency, active energy and reactive energy.Additional, PMAC720 ... Ia, Ib, Ic, In3. Active power – Pa, Pb, Pc, ∑P4. Reactive power –Qa, Qb, Qc, ∑Q5. Power factor—PFa, PFb, PFc, ∑PF6. ... Optional Function: 1. Up to 31st harmonic analysis, K factor, THD2. SOE (event log)3. TOU (multi-tariff) ...