TOKYDW9Esereis3phasecoulometerfeatures:1.Size: 96x96, 2 relay alarms,2. with analog output 4-20mA, 3.with RS485 communication, 4.3 phase 3 wires (4 wires) input Coulometer.5. displays voltage, current, active power, reactive power, KWH, KvarH, frequency, power factor, DIO status.6. two switch input and output, remote control and testing function;7. power fail memory function;8. range: 1A*100V, 5A*450V, other range can be ordered;