Function type | Features |
Monitoring | Three-phase voltage, three-phase current Three-phase active, reactive, and apparent power Three-phase power factor System frequency |
Statistics | 2~31 harmonic components of voltage and current Odd order, even order, and total harmonic distortion rate of voltage and current Three-phase voltage and current unbalance Extremum statistics and occurrence time of electrical parameters K factor |
Electricity measurement | Total active power, reactive power, and apparent electrical measurement Three-phase active, reactive, and apparent electrical measurement Positive and negative total active power and reactive power measurement Four-quadrant reactive power measurement Time-sharing multiple rate electricity measurement (4 rates, 12 periods) Support freezing, can freeze periodically,instantaneously, and agreed upon |
Demand statistics | Three-phase current, total active power, total reactive power, total apparent power real-time demand statistics, and the maximum demand in the current settlement cycle |
Over-limit alarm | Support 10 sets of over-limit alarm detection, and the objects that can be monitored include: voltage, current, active/reactive power, apparent power, power factor, and frequency; Each monitoring object can generate over-limit SOE and return SOE, and the over-limit can trigger relay action at the same time |
Communication | RS485 communication interface, up to 2 channels |
Input&Output | upport up to 4-ch passive switch inputs Support up to 1-ch relay control output |
Working parameters | ||
Working power | 85VAC~265VAC or 85VDC~265VDC | |
Power consumption | <5W | |
Working environmen | -25℃ ~ +70℃,95% Non-condensing | |
Storage temperature | -30℃ ~ +80℃ | |
LCD Monitor | Segmented LCD, field of view 48mm × 38.5mm | |
Body weight | 320g | |
Protection class | Panel IP54, shell IP30 | |
Dimensions | 72×72×66mm | |
Hole Size | 66×66mm | |
Input characteristics | Phase voltage rating: 220VAC Range: 20VAC~264VAC Current rating: 5A; range: 0.05~6A Current rating: 1A; range: 0.01~1.2A Frequency rating: 50Hz; range: 45~65Hz Switch quantity acquisition: passive node optical isolation input (isolation voltage 1500VDC) | |
Output characteristics | Remote control relay: 250V / 5A AC or 30V / 5A DC | |
Communication interface: RS485, up to 2 channels Communication protocol: MODBUS-RTU Communication rate:1200/2400/4800/9600/19200bps | ||
Support wiring | 3-phase 4-wire 3CT and 3-phase 3-wire 3CT,2CT | |
Display update speed | <3s |
Parameter | Accuracy | Range |
Voltage | level 0.2 | 0~42000V |
Current | level 0.2 | 0~6000A |
Power factor | level 0.5 | 0≤|COSΦ|≤1 |
Active power | level 0.5 | 0~756000kW |
Reactive power | level 0.5 | 0~756000kvar |
Apparent power | level 0.5 | 0~756000kVA |
Active electric energy | level 0.5S | 0~99999999.9kWh |
Reactive electric energy | level 1.0 | 0~9999999999999kvarh |
Frequency | ±0.02Hz | 40~65Hz |
Harmonic accuracy | level B | |
Digital acquisition | Resolution: 2ms; Debounce time: 60ms |