| Parameter | Value |
| Applicable grid | Three-phase four-wire, three-phase three-wire, single two-wire, three-phase three-wire PT |
| Working power | Voltage range | AC/DC85~265V |
Power consumption
| ≤5W |
| Input | Voltage | Rated | AC100V,220V,400V |
| Overload | 1.2 times continuous, 2 times (10s) |
| Power consumption | <0.4VA/Phase |
| Impedance | ≥200kΩ |
| Current | Primary current | 1-9999A |
| Secondary input | 1A or 5A |
| Short-time overcurrent | 20 times the maximum current for 0.5 seconds |
| Power consumption | <0.2VA/Phase |
| Impedance | ≥0.1Ω |
| Frequency | 45Hz~65Hz |
| Switching input | Dry contact input, photoelectric isolation |
| Output | Switching output | Relay output; can set any alarming power, default remote control |
| Pulse output | 1 channel electrical energy pulse |
| Accuracy index | Voltage/current | 0.5% |
| Frequency | 0.2% |
| Power/power factor | 1% |
| Active power | Class0.5S |
| Reactive power | CLass2 |
| Communication | Bus type | RS485 |
| protocol | Modbus RTU |
| Baud rate | 2400/4800/9600/19200/38400bps |
| Address range | 1-247 |
| Bus load | 64pcs |
| Communication distance | 1000m |
| Parity | EVEN/ODD/NONE(default) |
| Data bits | 8 |
| Stop bit | 1 |
| Ethernet por | Modbus |
| Environment | Operation temperature | -25ºC~55ºC |
| Storage temperature | -40ºC~70ºC |
| Operating humidity | ≤90%RH, non-condensing, no corrosive air |
| Storage humidity | ≤95%RH, non-condensing, no corrosive air |
| Altitude | ≤2000m |
| Installation category | CATIII |
| Withstanding voltage capacity | AC withstanding voltage 4KV/1min Pulse withstanding voltage 6kV - 1.2µS waveform |
| IP Class | IP51(Indoors) |
| Insulation class | 2 |
| Average trouble-free operation time | ≥50000h |
| EMC electromagnetic compatibility test | Electrostatic discharge immunity test | GB/T 17626.2-2006:test level 4, test voltage 8kV |
| RF electromagnetic field immunity test | GB/T 17626.3-2006:test level 3, test field strength of 10V / m |
| Fast transient pulse group test | GB/T 17626.4-2008:test level 2, current voltage 1kV, other 500V |
| Surge (shock) immunity test | GB/T 17626.5-2008:test level 4, test voltage 4kV |
| RF field induction conducted harassment immunity test | GB/T 17626.6-2008:test level 3, test field strength of 10V / m |
| Voltage transients, short interruptions and voltage changes in the immunity test | GB/T 17626.11-2008:current and voltage test error qualified |
| Oscillation wave immunity test | GB/T 17626.12-1998:Class B ITE test, qualified |
| Conformity to Standards | GBT22264.1-2008 Mounted digital display electrical measuring instrument Part 1: Definition and general requirements |
| GBT22264.7-2008 Mounted digital display electrical measuring instrument Part 7: Special requirements for multifunctional instruments |
| GBT22264.8-2009 Mounted digital display electrical measuring instrument Part 8:Recommended test methods |
