Complaint
| Functions | Description |
| Display | LCD |
| Energy metering | Active kWh (positive and negative), quadrant reactive power energy |
| Electrical measurement | U,I, P,Q,S,PF,F |
| Harmonic function | THDv,Harmonic on 2nd-31st |
| Pulse output | Active pulse output |
| Three-phase unbalance degree | Voltage unbalance,current unbalance |
| Temperature measurement | Temperature of A/B/C/N(Alternate configuration:T) |
| DI/DO | 4DI,2DO(Alternate configuration:K) |
| Resident current | One-way resident current(Alternate configuration:L) |
| LED display | Pulse LED display |
| External current transformer | External open type current transformer (Alternate configuration:W) |
| Electrical parameter | Undervoltage, undercurrent, overcurrent, underload, etc |
| Communication | Infrared communication |
| RS485(Alternate configuration:C) | |
| Wireless transmission on 470MHz (Alternate configuration:LR) | |
| WIFI(Alternate configuration:WF) | |
| NB-IOT(Alternate configuration:NB) | |
| 4G(Alternate configuration:4G) |
| Voltage input | Rated voltage | 3×57.7/100V,3×220/380V,3×380/660V,3×100V, 3×380V,3×660V |
| Frequency | 50Hz | |
| Consumption | <0.5VA (Each phase) | |
| Current input | Input current | 3×1(6)A ;3×1(6)A(ADW300W), 3×20(100)A(ADW300W) |
| Start current | 1‰ Ib (Class 0.5S),4‰ Ib (Class 1) | |
| Consumption | <1VA (Each phase) | |
| Auxiliary power | Power Supply | AC 85~265V |
| Power consumption | <2W | |
| Standard | Standard | IEC 62053-22:2003,IEC 62053-21:2003 |
| Active energy accuracy | Class 0.5S(ADW300),Class 1(ADW300W) | |
| Temperature accuracy | ±2ºC | |
| 80±20ms | Width of pulse | 80±20ms |
| Pulse constant | 6400imp/kWh , 400imp/kWh | |
| Communication | Wireless | Transmission on 470MHz and maximum distance in open space is 1km; WIFI(2.4GHz);NB;4G |
| Infrared communication | The constant baud rate is 1200 | |
| Interface | RS485(A,B) | |
| Connection mode | Shielded twisted pair conductors | |
| Protocol | MODBUS-RTU |
