
Single phase smart EV charging AC meter DDE-M1D01
DDE-M1D01 Single-Phase Intelligent AC Energy Acquisition Device is purpose-built for distributed photovoltaic systems. This compact modular unit integrates high-precision metering and reliable communication into one streamlined package. Supporting CT input, standard DIN-rail mounting, and RS-485 networking, the collector delivers ideal performance for smart energy monitoring scenarios including EV charging, Battery charging & Swapping station, PV microgrids, residential solar installations and building energy management systems.
Description
Electrical parameters:
| Normal operating voltage | 0.8Un~1.2Un |
| Extended operating voltage | 0.7Un~1.3Un |
| Voltage line power consumption | ≤ 1W / 5VA |
| Current line power consumption | <1VA |
| Clock battery voltage | 3.6VDC |
Working parameters:
| Clock accuracy (daily error) | ≤0.5S (23℃) |
| Battery capacity | ≥1200mAh |
| Data retention time after power outage | ≥10 Years(with new battery) |
Climate conditions:
| Normal operating temperature | -25℃~+65℃ |
| Extreme operating temperature | -40℃~+70℃ |
| Storage and transportation temperature | -40℃~+75℃ |
| Storage and operating humidity | Annual average≤75% |
Technical parameters:
| Tarrif | 4 |
| Measurement range | 0 kWh~999999.99 kWh |
| Display | LCD |
| Communication | RS485 (Default: 2400bps, E,8,1) |
|
Communication Protocol |
《DL/T645 – 2007 Multifunctional Energy Meter Communication Protocol》 Modbus-RTU |

Basic Parameters
- Accuracy Class: Active Power Class 1;
- 1) Rated Frequency: 50Hz
- 2) Rated Voltage:220V
- 3) Rated Current: 1.5(6)A,5(60)A,5(80)A
- 4) Starting Current: Direct-connected type: Active Power 0.004In (Class 1);
- CT-connected type: Active Power 0.002In (Class 1)
- 5) Creep: With anti-creep logic design
- 6) Dimensions: 100mm×82mm×64mm
- 7) Weight: Approximately 0.5kg
Key Features
- 1) Built-in high-speed and high-precision AC voltage and current acquisition module, with high sampling accuracy and accurate real-time energy measurement;
- 2) Can measure combined, forward and reverse active electric energy;
- 3) It has excellent electromagnetic compatibility performance, can withstand interference from high-voltage spike pulses, strong magnetic fields, strong static electricity, and lightning surges, and has strong temperature adaptability;
- 4) In the event of loss of AC power, the energy meter can maintain data and maintain the operation of the clock chip;
- 5) Low power consumption;
- 6) Sealed design, PVC waterproof and flame retardant material, wall-mounted structure, lightweight and easy to install.
