
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 62053-21SICEM type test certified
KEMA type test certified
DLMS compliant
Functions
- Active energy measurement
- Im- and export measurement
- Multi tariff (TOU, TOD, Step tariff)
- Real time clock
- Read without power
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 V / 220 V, 120 V / 240 V |
Voltage range for operation | 0.7 Un … 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 … 70°C |
Humidity | < 95 % |
Accuracy class | Active energy class 1 |
Ingress protection | IP 54 |
Communication | Infrared port, RS485 |
Dimensions | 126 mm * 102 mm * 57 mm |
Connection type | BS (LNNL) |

Title: DDS720_V1_EN
file size: 394.98 KB
published: 2020-03-11