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

■ Application: Factories, Buildings, Smart Grids, IoT EMS etc.

8615000363786

juliana@acrel-electric.com

8615000363786

ADW300 Three Phase AC Wireless IoT Energy Meter

description1

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Applications

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

IoT EMS Energy Management System

Technical Parameters

Voltage Input	Rated voltage	3×57.7/100V，3×220/380V，3×380/660V，3×100V, 3×380V，3×660V
	Reference frequency	50Hz
	Consumption	<0.5VA (Each phase
Current input	GB/T 17215.3 21-2021	ADW300：0.01-0.05(6)A、200mV、333mV
	GB/T 17215.3 21-2008	ADW300：3×1(6)A、200mV、333mV
	Consumption	<1VA (Each phase)
Auxiliary power	Power Supply	AC 85~465V ，DC12V，DC24V
Auxiliary power	Power consumption	<2W
Measurement performance	Standard	IEC 62053-22:2003，IEC 62053-21:2003
	Active energy accuracy	Class 0.5S（ADW300），Class 1（ADW300W）
	Temperature accuracy	±2℃
Pulse	Width of pulse	80±20ms
Pulse	Pulse constant	6400imp/kWh , 400imp/kWh
Communication	Wireless	Transmission on 470MHz and maximum distance in open space is 1km; 2G；NB；4G; WIFI；LoraWAN
	Infrared communication	The constant baud rate is 1200
	Interface	RS485(A、B)
	Connection mode	Shielded twisted pair conductors
	Protocol	MODBUS-RTU

Wiring & Installation

Pic

ADW300 Three Phase AC Wireless IoT Energy Meter

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