... amp,watt,var,va,Hz, cosf,kwh,kvarh, harmonics,demand 2. RS485/Modbus, Profibus, Bacnet function 3. 8MB PMAC770 Multifunction Power ... to connect with PTs, PT ratio programmable ØNew appearance and design Large LCD display and button, replace AI capacitor by Tam capacitor ... in 24 hours, 4 tariff rates. ØPower quality analysisHarmonic analysis, crest and K factor, unbalance etc. ØOptional module and ...