ADL400N-CT Three Phase MID UL Energy Meter
General
ADL series DIN-rail mounted multifunctional electric energy meter is an intelligent instrument mainly designed for new energy power generation systems such as photovoltaic grid-connected system, micro inverter system, energy storage system, AC coupling system, etc. The product has the advantages of high precision, small volume, high respondent speed and convenient installation. The product has the features of sampling, metering and monitoring power parameters, communicating with an inverter or an energy management system (EMS), realizing the functions of preventing reverse flow, regulating power generation, charging and discharging batteries according to real-time power and accumulated electric energy, and realizing bidirectional metering and household distributed photovoltaic energy management.
Function
√ Input voltage
3×230/400V, 3×277/480V
√ Input current
80A, 120A, 200A, 300A
√ Response rate
≤100ms
Wiring
Three-phase Four-wire Connection Through Current Transformer
Three-phase Three-wire Connection Through Current Transformer
Structure
Related Products
ADL400N-CT is a three-phase four-wire DIN-rail energy meter for photovoltaic, storage and distribution monitoring. Current comes from an external split-core coil, so the live conductor is not cut, and the meter can be programmed from its keys over RS485.
Rated voltage
AC 3 x 230/400 V
Current input
0.5-10(80) A / 0.5-10(120) A
Active energy
Class B
Response
100 ms or less
Technical data
| Parameter | Value (from the product manual) |
|---|---|
| Grid | Three-phase four-wire, forward and reverse metering |
| Rated voltage | AC 3 x 230/400 V, input range +/-20% |
| Voltage overload | 1.2 x rated continuous; 2 x rated for 1 s; 2 W and 10 VA or less |
| Input current | AC 0.5-10(80) A or AC 0.5-10(120) A through the split-core coil |
| Current overload | 1.2 x rated continuous; 2 x rated for 1 s; 1 W and 1 VA or less |
| Measurement accuracy | Voltage, current, power and frequency within +/-0.5% |
| Frequency | 50 / 60 Hz, within +/-0.5% |
| Active energy | Class B; reactive energy Class 2 accuracy |
| Response rate | 100 ms or less for voltage, current and power; 1 s or less for energy |
| Safety | Measurement category CAT III, overvoltage class OVC III |
| Withstand voltage | AC 3 kV / 1 min between communication and signal input |
| Insulation resistance | Input and output terminals to casing over 100 MOhm |
| Power consumption | 2 W or less |
| EMC | Class E2 |
| Communication | RS485, Modbus-RTU, address and ratio programmable from the keys |
| Display | Segmented LCD with LED operation indication |
| Pulse output | Active energy pulse |
Measured functions
| Function | ADL400N-CT |
|---|---|
| Electric energy | Active and reactive energy, forward and reverse; split-phase energy |
| Electric quantity | U, I, P, Q, S, PF, frequency |
| Programming | Keys set communication address, transformation ratio and other parameters |
| Display | Segmented LCD |
| Communication | RS485, Modbus-RTU |
Built-in functions
- Bidirectional active and reactive energy for PV and storage circuits
- Split-phase energy for load balancing on the three phases
- Coil current input means no need to cut or unbolt the live conductor
- Compact rail body fits inside distribution cabinets and inverter enclosures
Before you request a quote
- Maximum load current (80 A or 120 A coil)
- Conductor or busbar size at the mounting point
- Metering direction and protocol your system expects
Tell us the conductor size, the maximum load current and your inverter or EMS protocol, and we confirm the coil range, the wiring diagram and the Modbus register list within one working day.
1.Technical parameter
| Item | Performance Parameters | |||
| Model Series | ADL200N-CT | ADL400N-CT | ||
| Measurement | Grid | Single-phase | Three-phase four-wire, three-phase three-wire, single-phase three-wire | |
| Voltage | Rated voltage | 230V | Three-phase: 3×220/380V, 3×230/400V, 3×277/480V | |
| Input Range | ±20% | |||
| Overload | 1.2 times rating (continuous)2 times the rating for 1 second | |||
| Power consumption | <0.2VA | |||
| Accuracy class | Error ±0.5% | |||
| Current | Input current | 80A, 120A, 200A, 300A | 3×80A, 3×120A, 3×200A, 3×300A | |
| Overload | 1.2 times rating (continuous)2 times the rating for 1 second | |||
| Power consumption | <0.2VA | |||
| Accuracy class | Error ±0.5% | |||
| Power | Active, reactive, apparent power, error ±0.5% | |||
| Grid frequency | 45~65Hz, error ±0.5% | |||
| Response rate | ≤100ms (voltage, current, power) | |||
| ≤1s (electrical energy) | ||||
| Metering | Electric energy | Active energy : Class B (split current transformer)Reactive energy (Class 2 accuracy) | ||
| Electromagnetic Compatibility | Electrostatic discharge immunity class III | |||
| Electrical fast transient burst immunity class IV | ||||
| Surge (shock) immunity Class IV | ||||
| Security | Power frequency withstand voltage | Between communication and signal input, AC4kV 1min | ||
| Insulation resistance | Input and output terminals to casing >100MΩ | |||
| Communication | Interface and communication protocol | RS485 interface and Modbus RTU protocol | ||
| Communication address range | Modbus RTU: 1~ 247; | |||
| Baud rate | Support 1200bps-38400bps | |||
| Environment | Operating temperature | -40℃～+70℃ | ||
| Storage temperature | -40℃～+70℃ | |||
| Relative humidity | ≤95% (without condensation) | |||
| Altitude | ≤3000m | |||
