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AC Three Phase Wireless IoT Energy Meter

Wireless Comm. 4G/WiFi/LoRa/LoRaWAN

Input Current 5A by CTs

Modbus-RTU/MQTT Protocol

35mm DIN Rail Mounted

4 Modules 72mm Width

CE Certificated

For IoT Energy Management, Factory, School

+86-18702106858 / +86-21-69156352

[email protected]

  • Describe
  • ADW300 is a versatile and advanced wireless energy meter designed for efficient energy management in various settings such as IoT energy management systems, factories, schools and other commercial or industrial environments. It offers multiple wireless communication options, including 4G, WiFi, LoRa and LoRaWAN, ensuring flexible and reliable data transmission to meet different application requirements.

    Equipped with Input Current 5A by CTs, it can accurately measure electricity consumption. The ADW300 supports Modbus-RTU/MQTT Protocol, making it easy to integrate with existing systems and facilitating smooth data exchange. 

    Moreover, the ADW300 has obtained CE Certification, guaranteeing its safety and quality. Whether you are managing energy in a factory, school or any other facility, the ADW300 provides accurate measurement data and remote monitoring capabilities, helping you optimize energy usage, reduce costs and improve energy efficiency.

  • Specifications
  • Parameter Description
    Input Nominal Voltage For High Voltage: 3×57.7~69.24Vac L-N & 100~120Vac L-L (Paired with PT)
    ------------------------------
    Voltage For Low Voltage: 3×220~264Vac L-N & 3x380~456Vac L-L
    (Direct Connect) 3×380~456Vac L-N & 3x660~792Vac L-L
    Frequency 50Hz~60Hz
    Comsumption <0.5 VA (Each phase)
    Input 3×1(6)A
    Current 1‰ Ib (Class 0.5S),4‰ Ib (Class 1)
    <1VA (Each phase)
    Auxiliary Power Supply 85~265Vac L-N
    Power Power consumption <2W
    Measurement Standard IEC 62053-22:2003,IEC 62053-21:2003
    Performance Active Power Accuracy Class 0.5S(ADW300)Class 1(ADW300W)
    Temperature Measuring Accuracy ±2℃
    Pulse Width of pulse 80±20ms
    Pulse constant 6400imp/kWh , 400imp/kWh
    Communication WirelessCommunication 4G (built in world-wide 4G module for global server frequency bands)
    WiFi (2.4GHz), LoRa, NB-IoT, RS485 (standard MODBUS-RTU)
    InfraredCommunication Constant baud rate 1200
    Interface RS485(A+、B-)
    Connection Mode Shielded twisted pair conductors
    Protocol MODBUS-RTU
    Environment Operating Temperature -20℃~55℃
    Storage Temperature -40℃~70℃
    Humidity ≤95% (No condensation)
    Altitude
  • Dimension & Wiring Diagram
  • Application Scenario
  • Energy Efficiency Management System

    IoT Energy Management

  • Work Site Application
About Acrel
"Optimized Energy Efficiency, Empower Green Future."

Founded in 2003, Acrel Co., Ltd.【Stock Code: 300286.SZ】 is a high-tech enterprise specializing in energy management solutions and electrical safety. Headquartered in Shanghai, Acrel offers innovative and sustainable solutions for microgrid energy efficiency and electrical safety. With over 600 patents and software copyrights, Acrel has deployed more than 28,000 system solutions globally, forming a comprehensive "cloud-edge-end" energy internet architecture.

Acrel's integrated product ecosystem spans from cloud platform software to end-user components, covering sectors such as power, renewable energy, data centers, smart buildings, transportation, and smart cities. These solutions enable intelligent, real-time energy management, enhancing energy security and reducing operational costs.

The company's production facility, Jiangsu Acrel Electric Manufacturing Co., Ltd., adheres to strict quality standards and environmental guidelines, with advanced testing centers and a commitment to lead-free production processes. Acrel's team of over 500 engineers delivers cutting-edge energy efficiency systems and smart energy solutions.

With a strong domestic presence, Acrel is actively expanding internationally, supported by a global network of sales and technical teams and an e-commerce platform that ensures seamless service experiences worldwide. Acrel is proud to help businesses improve efficiency, reduce consumption, and achieve sustainability goals.

Together, we are building a smarter, greener future.

  • Authorized Patents

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  • Number of Customers Served

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  • Total Employees

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  • Manufacturing Base

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