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ADW300 Three Phase AC Wireless IoT Energy Meter
■ CE Certified
■ 4G LTE/ WiFi/ LoRa/ LoRaWAN/ RS485 Communication
■ MQTT/ Modbus TCP/ Modbus RTU Protocol
■ Three Phase AC Up to 3x660~792Vac L-L
■ 3x1(6)A CT connect
■ Class 0.5S Accuracy
■ 35mm DIN Rail Installation
Description
The Acrel ADW300 is a high-precision wireless energy meter for three-phase low-voltage networks. Supporting RS485, 470 MHz, 4G, WiFi, LoRa, and LoRaWAN communication, it delivers flexible and reliable data transmission for factories, schools, commercial buildings, and IoT energy systems. With CT input up to 5 A and support for Modbus RTU and MQTT protocols, it ensures accurate measurement and seamless system integration. CE-certified for safety and quality, the ADW300 enables remote monitoring, energy optimization, and cost reduction.
Application Scenarios
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IoT EMS Energy Management System
Customer Story
SunTower Project
The Sun Tower project in Bangkok deployed a cloud-based solution with meters, gateways, and platform to enable remote electricity monitoring, real-time fault alerts, automated meter reading, and energy analysis across office and commercial floors.
EV Charger Project
The project for Chargers in Spain deployed the Acrel DJSF1352-RN/D DC meters, ADL200 single-phase meters, and ADL400 three-phase meters, providing integrated energy monitoring and management solutions with a total project value of approximately $250,000.
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Voltage Input |
Rated voltage |
3×57.7/100V，3×220/380V，3×380/660V，3×100V, 3×380V，3×660V |
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Reference frequency |
50Hz |
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Consumption |
<0.5VA (Each phase |
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Current input |
GB/T 17215.3 21-2021 |
ADW300：0.01-0.05(6)A、200mV、333mV |
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GB/T 17215.3 21-2008 |
ADW300：3×1(6)A、200mV、333mV |
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Consumption |
<1VA (Each phase) |
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Auxiliary power |
Power Supply |
AC 85~465V ，DC12V，DC24V |
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Power consumption |
<2W |
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Measurement performance |
Standard |
IEC 62053-22:2003，IEC 62053-21:2003 |
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Active energy accuracy |
Class 0.5S（ADW300），Class 1（ADW300W） |
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Temperature accuracy |
±2℃ |
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Pulse |
Width of pulse |
80±20ms |
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Pulse constant |
6400imp/kWh , 400imp/kWh |
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Communication |
Wireless |
Transmission on 470MHz and maximum distance in open space is 1km; |
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Infrared communication |
The constant baud rate is 1200 |
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Interface |
RS485(A、B) |
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Connection mode |
Shielded twisted pair conductors |
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Protocol |
MODBUS-RTU |
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