... meter 1. Multi function LCD Meter 2. 3 Phase Voltmeter 3. 0.5%FS accuracy, RS485 communication 4. CE, ISO Toky DW9L ... . Current—Ia, Ib, Ic, In3. Active power – Pa, Pb, Pc, ∑P4. Reactive power –Qa, Qb, Qc, ∑Q5. Power factor—PFa, PFb ... . Frequency7. Active energy—kWh8. Reactive energy– kvarh Connection3 Phase 3 Wires, 3 Phase 4 WiresRated voltage valueAC 50-260V Phase Voltage / AC ...