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Three phase smart prepayment meter
WSA310
The WSA310 three phase smart prepayment meter is an efficient and convenient energy metering and management device, especially suitable for industrial and commercial users. It integrates advanced prepayment functions and smart management technology, complies with STS standards, and provides a variety of remote communication methods.
Main functions and characteristics

1. Four quadrant reactive measurement;

2. Dual-Circuits measurement;

3. Active/Reactive Energy Measurement in both direction;

4. Instantaneous value measurement;

5. Maximum demand/Cumulative demand;

6. Power Measurement including Active power/ Reactive power/Apparent power;

7. Up-link communicate with DCU by GSM/3G/CDMA;

8. Down-link communicate with CIU by PLC/RF/MBUS;

9. Easy to uplink upgrade by Hot swappable module;

10. Support Firmware remote update;

11. STS Prepayment by UIU or remote Token sending;

12. UIU support transfer Token by different media such as keyboard or RF card;

13. Relay Control(Tamper\Debt\Power Control\Remote);

14. By Pass detection;

15. Replaceable Battery;

16. Meter with LCD to display meters parameters;

17. Self-Diagnostic and Detection of events.

Technical parameter
  • Voltage
    Reference : 3x220V/230V/240V
    Operating range : 0.7-1.3Un
  • Frequency
    50Hz or 60Hz
  • Current
    Basic Current (lb) : 5A, 10A, 20A
    Maximum Current (lmax) : 40A, 60A, 80A, 100A
  • Accuracy
    Active (and apparent ) : CL0.5
    Reactive : CL2.0
  • Typical Power Consumption
    Voltage circuit active / apparent power at Un : ≤2W
    Current circuit apparent power at lb : ≤10VA
  • Degree of Protection
    IP54
  • Weight of Meter
    1.5kg
  • Meter Service Life
    >10years
Size Description

270mm (L) x 170mm (W) x 80mm (H)

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