ADL400M Three-Phase Energy Meter
Characteristic
Dual-Circuit Three-Phase Metering
Dual-Circuit Energy Metering
Three-Phase Four-Wire
Forward & Reverse Energy Metering
Compact 1P Design
Only 18mm Wide
1P DIN-Rail Design
Compact and Space-Saving
Fast Response
Power Response Time: 50ms
Real-Time Power Monitoring
Suitable for Inverter & EMS Control
General
ADL400M is a three-phase energy meter with external CTs, designed for PV, energy storage, microinverter and AC-coupled systems. It supports bidirectional energy metering, electrical parameter monitoring and RS485 Modbus RTU communication.
Function
Connection
Three-Phase Four-Wire
Voltage
Nominal Voltage: 3×230/400V
Input Range: 0.8Unom–1.2Unom
Current
External CT Input
D10: 80A
D16: 120A
D24: 200A
D36: 300A
Accuracy
Voltage: ±0.5%
Current: ±0.5%
Power: ±1%
Active Energy: Class 1 or B
Frequency: ±0.5%
Energy Metering
Forward and Reverse Active Energy
Forward and Reverse Reactive Energy
Split-Phase Energy
Bidirectional Energy Metering
Communication
RS485, Modbus RTU
Address: 1–247
Baud Rate: 1200–38400bps
Response Rate
50ms (Power)
Environment
Operating Temperature: -25℃ to +55℃
Extreme Operating Temperature: -40℃ to +70℃
Storage Temperature: -40℃ to +85℃
Relative Humidity: ≤95%, Non-condensing
Altitude: ≤2000m
Protection
Installation Category: CAT III
Overvoltage Category: OVC III
Front: IP51
Overall: IP20
Protection Class: Class II
Pollution Degree: II
Safety
Power Frequency Withstand Voltage: AC 3kV / 1min
Insulation Resistance: >100MΩ
Wiring
Installation
Typical connection
| Item | Parameter |
|---|---|
| Grid | Three-phase four-wire |
| Nominal Voltage | 3×230/400V |
| Voltage Range | 0.8Unom–1.2Unom |
| Voltage Accuracy | ±0.5% |
| Minimum Current | 0.3A |
| Transitional Current | 1.5A |
| Basic Current | 30A |
| Maximum Current | D10: 80A; D16: 120A; D24: 200A; D36: 300A |
| Current Accuracy | ±0.5% |
| Power Accuracy | ±1% |
| Frequency | 50Hz |
| Frequency Accuracy | ±0.5% |
| Response Rate | 50ms (Power) |
| Active Energy Accuracy | Class 1 or B |
| Communication | RS485 |
| Protocol | Modbus RTU |
| Communication Address | 1–247 |
| Baud Rate | 1200–38400bps |
| Operating Temperature | -25℃ to +55℃ |
| Storage Temperature | -40℃ to +85℃ |
| Relative Humidity | ≤95%, Non-condensing |
| Altitude | ≤2000m |
| IP Rating | Front: IP51; Overall: IP20 |
| Function | Description |
|---|---|
| Active Energy Metering | Forward and reverse active energy |
| Reactive Energy Metering | Forward and reverse reactive energy |
| Split-Phase Energy | Supports split-phase energy metering |
| Electrical Measurement | U, I, P, Q, S, PF, F |
| Communication | RS485, Modbus RTU |
