Acrel ADL200W CE Approved Smart Digital Single Phase Energy Meter for Solar Power IOT Platform Energy Consumption Monitoring
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Series of products: Energy Management
Series of products: New Energy
Series of products: AC Energy Meters
Series of products: Single Phase Energy Meters
Series of products: Din Rail Installed Energy Meters
Series of products: Din Rail Installed AC Energy Meters
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Overview
ADL200W and ADL400W Series DIN-Rail Mounted Multifunctional and Dual Circuits Electric Energy Meter With External Current Transformer 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. It can monitor and measure real-time power and other power parameters, support protocols such as Modbus-TCP and http, and communicate with inverters or energy management systems (EMS) via Wi-Fi or Lora communication to achieve functions such as anti-reverse flow, regulating power generation, and battery charging and discharging.
It can be bidirectionally measured to achieve energy management for household distributed photovoltaic systems.
Coding Rule

Dispaly

Application
Acrel ADL200W/ADL400W household light-storage anti-backflow radio energy meters are specifically designed for light-storage systems and renewable energy generation applications. Key applications include:
① Household energy storage system: monitors battery charge/discharge current and power parameters in real time, dynamically optimizes charging/discharging strategies through communication with the energy management system;
② Integrated PV-storage system: This system bridges the entire chain from "photovoltaic power generation to energy storage and household consumption". It measures real-time solar output while monitoring battery energy flow, with anti-feeding-back functionality to balance PV generation and household loads. This enhances clean energy utilization efficiency and reduces grid dependency.
③ Balcony/Roof Photovoltaic System: Designed for small-scale household PV installations, it measures both solar power generation and real-time electricity consumption. When PV output exceeds household demand, the system automatically activates anti-feeding-back control to prevent excess energy from being fed back into the grid, complying with grid connection standards in certain regions.
④ Photovoltaic Grid-Connected/Micro-Inverter/AC Coupling System: Designed for traditional PV grid-connection scenarios, it provides precise measurement of grid-connected power. The micro-inverter system aggregates and monitors the total output of multiple micro-inverters. The AC coupling system coordinates photovoltaic power generation with energy storage charging/discharging, enabling comprehensive power parameter monitoring and anti-reverse current control across the entire system.
⑤ Photovoltaic systems for rural self-built houses/villas: Featuring adaptive wiring adjustments and wide-temperature operation, these systems address the complex wiring conditions in rural homes and limited installation space in villas. They ensure stable performance in extreme outdoor environments (high/low temperatures) while maintaining accurate energy measurement and anti-backflow control.


Features

① Compact Design: Featuring a 1P,18mm standard rail-mounted configuration, it supports four application scenarios: single-phase (single channel), dual-phase (dual channels), three-phase (single channel), and three-phase (dual channels).
② Wireless communication: Supports both Lora and WiFi connectivity;
③ Plug-and-play voltage terminals: The terminals are designed for easy installation, with a press-fit connection that simplifies wiring and boosts efficiency;
④ Adaptive wiring adjustment: Features wiring diagnostics to detect abnormal connections, and works with inverters to diagnose CT failures, adjust voltage-current phase shifts, and reverse current flow.
⑤ Rapid electrical parameter updates: 50ms refresh rate;
⑥ Full certification: CE-RED, ROHS, REACH, SGS.
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Function
功能Function
功能说明Descriptions
电能计量
有功电能计量(正、反向)
Electric energy metering
Active energy metering (forward and reverse)
无功电能计量(正、反向)
Reactive energy metering (forward and reverse)
分相电能
Split-phase energy
电量测量
Electric quantity measurement
U, I
P, Q, S, PF, F
通讯
Communication
RS485 、Wi-Fi 、Lora
Dimension

Wiring

注 Note:
单相电表只需要接 A 相;
Only connect Phase A to the single-phase electric meter;
ADLo-CT/o-1-o只需要接 CT1;
Only need connect CT1 to ADLo-CT/o-1-o;
出于安全考虑,在电压输入端需接入额定电流 5A 的保险丝;
For safty reasons,a fuse with a rated current of 5A needs to be connected to the voltage input terminal;
接线之前确保设备处于断电状态;
Verify that power is OFF before making connections;
ADL200W-CT/o-o-o的每组 CT 仅有一相的互感器,ADL400W-CT/o-o-o的每组 CT 有 3 相的互感器。Each group ofCT in ADL200W-CT/o-o-o has only one phase of transformer, while each group ofCT in ADL400W-CT/o-o-o has three phases of transformer.
Installation
Product Description:- PView
- high-performance
- requirements
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Technical Parameters
项目
Item
性能参数
Performance Parameters
型号系列Model Series
ADL200W
ADL400W
测量
Measurement
网络Grid
单相
Single-phase
三相四线
Three-phase four-wire
电压Voltage
标称电压(Unom) Nominal voltage
230V
3×230/400V
输入范围 Input Range
0.8Unom ~ 1.2Unom
过负荷Overload
1.2 倍额定值(连续)
1.2 times rating (continuous)
2 倍额定值持续 1 秒
2 times the rating for 1 second
功耗
Power consumption
<2w, <10VA
精度等级
Accuracy class
误差±0.5%
Error ±0.5%
电流
Current
最小电流(Imin)
Minimum current
0.3A
转折电流(Itr)
Transitional current
1.5A
基本电流(Ib)
Basic current
30A
最大电流(Imax)
Maxinum current
D16:Imax = 120A
短时过流Short-term
overcurrent
30 倍最大电流持续 20ms
30 times the maximum current for 20ms
功耗
Power consumption
<1W, <1VA
精度等级
Accuracy class
误差±0.5%
Error ±0.5%
功率
Power
有功、无功、视在功率,误差±1.0℅
Active, reactive, apparent power, error ±1.0℅
电网频率
50Hz ,误差±0.5%
50Hz, error ±0.5%
响应速率 Response rate
50ms(电压、 电流、功率)
50ms (voltage, current, power)
安装类别
Installation category
CAT III
过电压等级
overvoltage level
OVC III
计量Metering
有功电能
Active electric energy
Class 1or B
电磁兼容
electromagnetic compatibility
E2
安全性Security
工频耐压
Power frequency withstand
voltage
通信与信号输入之间 AC3kV 1min
Between communication and signal input, AC3kV 1min
绝缘电阻
Insulation resistance
输入、输出端对机壳>100MΩ
Input and output terminals to casing >100MΩ
通信
Communication
RS485 接口
RS485 interface
Modbus RTU 规约;地址:1~ 247;波特率:
1200bps-38400bps
Modbus RTU protocol; addr:1~ 247;Baud
rate:1200bps-38400bps
Wi-Fi
Wi-Fi
协议:Modbus-TCP、http 等;工作频段:2.4GHz Protocols: Modbus-TCP, Http, etc. Operating frequency
band: 2.4GHz
环境
Environment
规定工作温度
Operating temperature range
-25℃~+55℃
极限工作温度
Operating temperature range
-40℃~+70℃
储存温度
Storage temperature
-40℃~+85℃
相对湿度
Relative humidity
≤95%(无凝露)
≤95% (without condensation)
不适用潮湿环境
"Not suitable for damp environments"
海拔高度Altitude
≤2000m
IP 等级IP rating
正面:IP51(室内);整体:IP20。
IP20 on terminal strip without protective housing and IP51 in protective housing, per IEC 60529
污染等级
Pollution Degree
II
UC 等级UC Degree
III
安装环境
Installation environment
室内
Indoor use
保护等级
Protect Degree
II(双重绝缘)
Class II (Double Insulation)
使用环境
usage environment
柜内安装(外壳不可触及)
Cabinet mounted(The outer shell cannot be touched)
机械等级
usage environment
M1
互感器安全特性
Transformer Safety
characteristics
绝缘电阻:常态时大于 1000MΩ;
Insulation resistance: greater than 1000 MΩ under normal conditions;
抗电强度:可承受工频 4000V 50Hz/1 分钟;
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