Communication Methods: 4G LTE, WiFi, LoRa, LoRaWAN, NB-IoT, RS485
Communication Protocol: MQTT, MODBUS-RTU, MODBUS-TCP
Measurement: 3-phase Active Power, Reactive Power, Current, Voltage, Harmonic and etc.
Application Scenario: Building, Factory, Smart Grids, DB Room and etc
Rated Voltage: Up to 3x660~792Vac L-L
Rated Current: 3x1(6)A AC (via CTs)
HMI Programming: Setting of CT/PT Ratio, Phase Wiring, Communication and etc
Standard&Certificate: CE; IEC; LVD
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| Function | Description |
| Measurement（Standard） | Three-phase AC kWh, kVarh, Active Power, Reactive Power,Quadrant Reactive Power Energy, Current, Voltage, Voltage&Current Unbalance, Power Factor, Apparant Power, Frequency, Harmonic (2~31st&THD) |
| Measurement(Optional) | Temperature Measurement:4-channel (A,B,C,N) Cable Temperature Monitoring; Thermistor:NTC; Range: -40~+99℃; Accuracy:±2℃ |
Residual Current Measurement: 1-channel Residual Current Monitoring (Need to be paired with Residual Current Transformers) | |
| Communication(Standard) | RS485 Port with Modbus-RTU protocol -1 start bit,8 data bit,1 stop bit,no parity; Baud Rate 1200~38400 bps etc. Infrared Communication - Constant Baud Rate 1200 bps |
| Communication(Optional) | 4G LTE - Normal Communicaiton Module Support: LTE-FDD: B1/B3/B5/B8; LTE-TDD:B34/B38/B39/B40/B41 4G LTE - Global Communication Module Support: LTE-FDD:B1/B3/B5/B7/B8/B20/B28; LTE-TDD:B38/B40/B41 |
WiFi - Support 2.4GHz or 5GHz | |
LoRaWAN | |
LoRa | |
NB-IoT | |
| Display(Standard) | LCD Display and LED Indicator |
| HMI(Standard) | Keypads Programming: Setting of CT/PT Ratio, Communication, Phase Wiring and etc |
| Software(Standard) | Adjustment Software: Setting of Data Upload Interval, WiFi configuration (Account&Password), Server Address, Port and etc |
| Alarm Function(Standard) | Undervoltage, Overvoltage, Undercurrent, Overcurrent, Underload, Overload, Communication Disconnection and etc |
| I/O Function(Optional) | 4-channel or 2-channel DI (Digital Input) 2-channel DO (Digital Output) |
| Parameter | Description&Value | |
| VoltageInput | Rated Voltage | 3x380~456Vac L-L or 3x660~792Vac L-L (via direct connection) 3x100~120Vac L-L (via PTs) |
| Reference Frequency | 45~65Hz | |
| Power Consumption | ＜0.5VA (each Phase) | |
| CurrentInput | Rated Current | 3x1(6)A AC (via CTs) |
| Starting Current | 1% Ib (Class 0.5); 4% Ib(Class 1) | |
| Power Consumption | ＜1VA (each Phase) | |
| PhaseWiring | 3P4W | 3-phase 4-wire |
| 3P3W | 3-phase 3-wire | |
| AuxiliaryPowerSupply | Voltage Range | 85~265Vac |
| Power Consumption | ＜2W | |
| MeasurementPerformance | Standard | IEC 62053-22:2003; IEC 62053-21:2003 |
| kWh Accuracy | Class 0.5S | |
| Pulse | Width of Pulse | 80±20ms |
| Pulse Constant | 6400imp/kWh; 400imp/kWh | |
| Condition | Description&Value |
| Temperature | Operating Temperature: -20℃～+55℃; Storage Temperature: -40°C ~+70°C |
| Humidity | ≤95%RH,no condensation,without corrosive gas |
| Altitude | ≤ 2000m |
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