Three-phase WIFI MQTT Energy Meter

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What Do Our Customers Say?

Acrel is one of the best supplier for me. They are so easy to communicate and very friendly. They even give an online tour of their factory. Looking forward for more business together in the future.

Liezel 

Philippines
“ For over 4 years working with Acrel, they have continuously demonstrated excellent technical ability while ensuring superior customer service. Their collaborative approach and real time flexibility in adapting to changing conditions has contributed to the success of many project goals. "

Arnold 

Philippines
Cloud Platform for Power IoT is a synchronous integrated solution from energy meter installation to web interactive interface that can see the benefits of features with the first click mouse. Very convenient and fast. I will be with this product for a long time.

Tuan 

Vietnam

Highlight

What’s the Function of Acrel ADW300 Series WIFI MQTT Energy Meter?

Monitor

Electrical Parameters
U I P Q S PF, 2-31^st Harmonic, Max Demand, etc

Optional Function

4DI/2DO, 4 NTC Temperature, 2 Residual Current, 2 RS485, Power Outage Alarm

Wireless Communication

Lora Lorawan
WiFi 4G
MQTT JSON

Self-Adaption

Automatch with IoT Energy Monitoring System
Free Debugging

Network

How does the Acrel ADW300 Series WIFI MQTT Energy Meter work?

MQTT-JSON

Comm.

communication process

Login
Calibration time
Request the configuration version
Update the configuration
Data / Alarm / Synchronize time

ps: Step 4 can skip if the configuration version is the same.

Upload

equipment to the platform

Parameter upload
Heart upload
Data upload
Alarm upload

Issue

platform to the equipment

Gateway firmware update
Restart instructions
Request version number (gateway scheme use only)
Get / upload the gateway configuration information
Get / upload the downlink configuration parameters
Transtransmission
Issue control messages

Communication process

No.	Command	cmd
1	entry	login
2	parameter	para
3	calibration time	time
4	heartbeat	heart
5	data	data
6	alarm	alarm
7	Gateway firmware update	ota
8	restart	restart
9	Request version number	allVersion
10	Gateway configuration parameters	gwConfigInfo
11	Configure parameters downlink	downlinkConfigInfo
12	Alarm configuration parameters	alarmConfigInfo
13	transtransmission	transportb

List of data upload items (addible)

Data Name	Character Iidentification	Unit	Data Type
a phase voltage	ua	V	float
b phase voltage	ub	V	float
c phase voltage	uc	V	float
n phase voltage	ub	V	float
a phase current	ia	A	float
b phase current	ib	A	float
c phase current	ic	A	float
n phase current	in	A	float
A-phase active power	pa	KW	float
The b-phase active power is used	pb	KW	float
The c-phase active power is used	pc	KW	float
Total active power	p	KW	float
A-phase reactive power	qa	KW	float
The b-phase reactive power is used	qb	KW	float
The c-phase reactive power is used	qc	KW	float
Total reactive power	q	KW	float
The A-phase power factor	pfa		float
The b-phase power factor is shown	pfb		float
The c-phase power factor	pfc		float
Total power factor	pf		float
Total positive active power level	wh	KWH	float
Total reverse active power level	wl	KWH	float
Total positive reactive power level	varh	KWH	float
Total reverse reactive power level	varl	KWH	float
temperature A	ta	℃	float
temperature B	tb	℃	float
temperature C	tc	℃	float
Single phase voltage	u	V	float
unidirectional current	i	A	float

Function

What’s the Function of Acrel ADW300 Series WIFI MQTT Energy Meter?

Multiple Communication Methods ● 4G LTE ● NB-IoT ● WiFi (2.4GHz&5GHz) ● LoRa ● RS485 (MODBUS-RTU) ● Paired with IoT Energy Monitoring System
Power Quality Analysis ● Total Harmonic ● 2nd~31st Harmonic ● Voltage Unbalance ● Current Unbalance
Expanded Function ● 2-channel DO (Digital Ouput) ● 4-channel DI (Digital Input) ● 4-channel Cable Temperature Monitoring ● 1-channel Residual Current Measurement
Alarm Function ● Over/Under Current ● Over/Under Voltage ● Over/Under Power ● Phase Loss

Parameter

What’s the Parameter of the Acrel ADW300 Series WIFI MQTT Energy Meter?

Parameter	Description & Value
Voltage Input	Rated Voltage	3×380~456Vac L-L or 3×660~792Vac L-L (via direct connection) 3×100~120Vac L-L (via PTs)
	Reference Frequency	45~65Hz
	Power Consumption	＜0.5VA (each Phase)
Current Input	Rated Current	3×1(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

Installation

How to Install the Acrel ADW300 Series WIFI MQTT Energy Meter?

3-phase 4-wire CT Operated

3-phase 3-wire CT Operated

Why choose Acrel?

2003 Established
SZ.300286 Listed Company
1200+ People
25000+㎡ Plant
Factory Direct-sale

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