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Acrel Co., Ltd. [Stock Code : 300286. SZ] is a high-tech enterprise which concentrates on research, production, sales and services. It mainly provides systemic solutions of energy efficiency management and electrical safety for users. Acrel has equipped with the complete production lines from cloud platform software to energy meters and sensors. Until now, it has more than 14000 sets systemic solutions used in China to help users realizing energy visual management ,supplying energy data services and improving electrical efficiency and safety.

ADW300 3 Phase Din Rail Wireless Smart Energy Meter

Function

Function	Description
Measurement （Standard）	Three-phase AC kWh, kVarh, Active Power, Reactive Power,Quadrant Reactive Power Energy, Current, Voltage, Voltage&Current Unbalance, Power Factor, Apparant Power, Frequency, Harmonic (2~31st&THD)
Measurement (Optional)	Temperature Measurement:4-channel (A,B,C,N) Cable Temperature Monitoring; Thermistor:NTC; Range: -40~+99℃; Accuracy:±2℃
Measurement (Optional)	Residual Current Measurement: 1-channel Residual Current Monitoring (Need to be paired with Residual Current Transformers)
Communication (Standard)	RS485 Port with Modbus-RTU protocol - 1 start bit,8 data bit,1 stop bit,no parity; Baud Rate 1200~38400 bps etc. Infrared Communication - Constant Baud Rate 1200 bps
Communication (Optional)	4G LTE - Normal Communicaiton Module Support: LTE-FDD: B1/B3/B5/B8; LTE-TDD:B34/B38/B39/B40/B41 4G LTE - Global Communication Module Support: LTE-FDD:B1/B3/B5/B7/B8/B20/B28; LTE-TDD:B38/B40/B41
	WiFi - Support 2.4GHz or 5GHz
	LoRaWAN
	LoRa
	NB-IoT
Display (Standard)	LCD Display and LED Indicator
HMI (Standard)	Keypads Programming: Setting of CT/PT Ratio, Communication, Phase Wiring and etc
Software (Standard)	Adjustment Software: Setting of Data Upload Interval, WiFi configuration (Account&Password), Server Address, Port and etc
Alarm Function (Standard)	Undervoltage, Overvoltage, Undercurrent, Overcurrent, Underload, Overload, Communication Disconnection and etc
I/O Function (Optional)	4-channel or 2-channel DI (Digital Input) 2-channel DO (Digital Output)

Main Parameters

Parameter	Description&Value
Voltage Input	Rated Voltage	3x380~456Vac L-L or 3x660~792Vac L-L (via direct connection) 3x100~120Vac L-L (via PTs)
	Reference Frequency	45~65Hz
	Power Consumption	＜0.5VA (each Phase)
Current Input	Rated Current	3x1(6)A AC (via CTs)
	Starting Current	1% Ib (Class 0.5); 4% Ib(Class 1)
	Power Consumption	＜1VA (each Phase)
Phase Wiring	3P4W	3-phase 4-wire
Phase Wiring	3P3W	3-phase 3-wire
Auxiliary Power Supply	Voltage Range	85~265Vac
Auxiliary Power Supply	Power Consumption	＜2W
Measurement Performance	Standard	IEC 62053-22:2003; IEC 62053-21:2003
Measurement Performance	kWh Accuracy	Class 0.5S
Pulse	Width of Pulse	80±20ms
Pulse	Pulse Constant	6400imp/kWh; 400imp/kWh

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ADW300 wireless energy meter is mainly used to measure three-phase active power. It has the functions of RS485 communication and optional wireless communication such as wifi, 4G,Lora, Lorawan.

ADW300 wireless smart power meter is convenient for users to monitor, collect and manage electricity. It can be flexibly installed in the distribution box to realize the measurement, statistics and analysis of individual electric energy in different regions and loads.