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Single phase smart prepayment meter
WSA11O
The WSA110 single phase smart prepayment meter is an efficient and convenient energy metering and management device, especially suitable for residential and small commercial users. It integrates advanced prepayment functions and smart management technology, complies with STS standards, and offers various remote communication methods.
Main functions and characteristics

1. Dual-Circuits measurement; 

2. Active Energy Measurement in both direction;

3. Instantaneous value measurement;

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

5. Maximum demand/Cumulative demand;

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

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

8. Easy to uplink upgrade by Hot swappable module;

9. Support Firmware remote update;

10. STS Prepayment by UIU or remote Token sending;

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

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

13. By Pass detection;

14. Replaceable battery;

15. Meter with LCD to display meter parameters;

16. Self-Diagnostic and Detection of event.

Technical parameter
  • Voltage
    Reference : 220V, 230V, 240V
    Operating range : 0.7-1.3Un
  • Frequency
    50Hz or 60Hz
  • Current
    Basic Current (lb) : 5A, 10A
    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
    1.2kg
  • Meter Service Life
    >10years
Size Description

238.5mm (L) x 130mm (W) x 68mm (H)

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