Working power supply 

Rated voltage

AC85~265V/DC80~300V

Rated power consumption

<3VA

Input Voltage 

Rated voltage

57.7/100V, 220V/380V, 380/660V(Customized)

Threshold value

5V

Overload capacity

1.2 times rated voltage, continuous operation, 2 times rated voltage, allow 10S

Power consumption

<0.75VA/phase (Rated 5A)

Measurement range

Phase voltage (LN):50~260VAC

Line voltage(LL):90~450VAC

Input current

Rated current

Default 5A,Input range 1-6A;Optional 1A

Threshold value

5A Configuration,5mA;

1A Configuration

Overload capacity

1.2 times rated current allowed, continuous work; 20 times the rated current allowed 1 second

Power consumption

<0.75VA/phase(Rated current 5A);<0.25VA/phase(Rated current 1A)

Measurement range

8A:0~6A, 1A:0~1.2A

Input/Output

Switch input

4-way passive main line contact DI input, internal supply DC24V power source

Relay output

4-way DO output,Contact capacity 250VAC/5A,30VDC/5A

Analog output

Output range 4~20mA,overload allows 1.2times

Temperature output

Measure range 0℃~100℃

Power quality monitoring

Harmonic measurement

Voltage/current2~51th harmonic distortion rate, total harmonic distortion rate

Harmonic distribution rate

Phase voltage, line voltage

Umbalance rate

Voltage, current

Measurement accuracy

Voltage

±0.2%(0.01V)

Current

±0.2%(0.01A) 

Active power

±0.5%(0.1W) 

Reactive power

±2.0%(0.1var)  

Active energy

±0.5(0.1kWh) 

Reactive energy 

±2.0%(0.1kvarh) 

Power factor 

±0.5%(0.001)  

Frequency 

±0.02Hz(0.01Hz)  

Communication 

 Communication interface

RS485 photoelectric isolation interface 

 Communication protocol

 Modbus-RTU, 1200~19200bps

Electric insulation 

Power frequency withstand voltage

 AC2/kV/min~1mA input-output-power (GB/T13829)

Insulation resistance

 >50MΩ

Impact voltage

5kV (peak),1.2/50μs

• Energy and energy efficiency management system

• Statistical analysis of internal power consumption and basis for charging statistics

• Electric energy metering, automatic meter reading system

• Smart power distribution managment system