The DDS720 is an advanced single-phase meter. It is available for single-phase two wire or single-phase three wire connection. The meter is compliant with the relevant IEC standards and is used for residential customers in post-payment mode.
DDS720 offers multi-tariff structures and has excellent features for tamper detection.
 | IEC 62053-21 |
 | SICEM type test certified |
 | KEMA type test certified |
 | DLMS compliant |
Functions
- Active energy measurement
- Import- and export measurement
- Multi tariff (TOU, TOD, Step tariff)
- Real time clock
- Read without power
- LCD, read without power
- Programmable auto-scroll display
Tamper protection
- Sealing
- Ultrasonic welding (optional)
- Neutral current comparison
- Reverse current detection
- Event logging
| Item | Parameter |
|---|---|
| Nominal voltage (Un), single-phase 2 wire | 110 V, 120 V, 220 V, 230 V, 240 V |
| Nominal voltage (Un), single-phase 3 wire | 110/220 V, 120/240 V |
| Voltage range for operation | 0.7 Un to 1.3 Un |
| Nominal frequency | 50 Hz, 60 Hz |
| Basic current (Ib) | 5 A |
| Maximum current | 60 A, 80 A, 100 A |
| Display | LCD |
| Operating temperature | -25 °C to +70 °C |
| Humidity | < 95 % |
| Accuracy class | Active energy class 1 |
| Ingress protection | IP54 |
| Communication | Infrared port, RS-485 |
| Dimensions | 126 mm x 102 mm x 57 mm |
| Connection type | BS (LNNL), symmetrical |
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Title: DDS720_V2_EN
file size: 281.65 KB
published: 21 Feb, 2022
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Editor's note: This article was originally published in July 2019 and has been updated for comprehensiveness.
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