Detailed Product Description

Technical parameters:
1) Rated voltage: 3 x 220/380V, 3 x 57.7/100V, 3 x 100V
2) Rated current: 0.3(1.2)A, 1.5(6)A, 5(6)A, 5(10)A
3) Accuracy: active Class 0.2s, 0.5s, 1.0s, and reactive Class 2.0
4) Clock error: ≤0.5s/D (23±3°C) 
5) Working ambient temperature: -20~60°C
6) Power loss: ≤1.5W
7) Backup lithium battery working life: >10 years; continuous working time: ≥3 
    years
8) Impulse output coupling: 
    a) External connecting voltage: 5-24VDC
    b) Load current: 10-20mA
    c) Impulse width: 20-160ms, and can be set
 
Main functions:
1) Four tariffs, ten time bands for every day, ten time zones and four sets of time 
    bands for every year, and one or two rest days for every week and ten years' 
   public holiday calendar
2) Measures forward / reverse active energy, forward / reverse reactive energy, 
    reactive four quadrants energy and maximum demand 
3) Records the time and times of accumulative energy of phase-off and voltage loss, 
    and the time of the latest 8 times of starting and ending
4) Records the load curve
5) Measures voltage, current, power and power factor and making the voltage 
    eligibility rate statistic
6) Big screen LCD display
7) Display method, display content, display sequence and display time interval can be 
    set
8) Has infrared and RS485 communicating interface, and supports broadcast frozen 
    energy order by RS485 main line
9) Records the reset time and reset times of the maximum demand, and the time and 
    times of the programming as well as the programmer number
10) The communicating protocol conforms to DL/T645-1997
11) Records the starting and ending time of the latest 8 times over voltage, under-
      voltage for each phase
12) Four programmable impulse output couplings and two verifying impulse output 
      couplings