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Datasheet of WEM3046T

If you are looking for a power meter , please read this article first. It will help you to confirm whether IAMMETER products can meet your requirements quickly. How to choose the power meter with regard to your requirements

1 Key Features

  • Support the connection to the different CTs with the ratio xxx:5A, such as 600:5A, 800:5A, 1000:5A or much larger current.
  • Real-time energy monitoring via your Wi-Fi network
  • Simply one-key Wi-Fi setup to connect to your Wi-Fi network
  • Enterprise-class performance, suitable for domestic, commerical, industrial use and solar system
  • Cloud service and Mobile app is available
  • Support local monitoring via LAN or uploading the data to your specificed server
  • 2-pole DIN-rail mounting fits neatly in the meter box

2 General Specification

Specification Description
Standard package 1. Wi-Fi Energy Meter (WEM3080) x 1
2. 2.4G Wi-Fi Antenna x 1
Phase Three phase
Power Supply Built-in universal power supply
Communication Built-in Wi-Fi
Antenna External 2.4G antenna with SMA male
Reporting interval 1-5 minutes interval, typically 1 minute
Report contents Active Energy (Forward and Reverse), Active Power, Voltage, Current, Frequency
Configuration 1. Wi-Fi access point and webpage for setting SSID and password
2. Mobile App for setting SSID and password
Monitoring Scenarios 1. Monitor on Iammeter Cloud
2. Monitor locally on your PC via WLAN (Http get interface)
3. Integrate with third party server, such as your own server, PVoutput and HomeAssistant (TCP/SSL interface)

3 Electrical characteristics

Specification Description
Input Voltage 80V~277VAC (Phase Voltage), 140V~480 VAC (Line Voltage)
CT Rating 5A input, suppot the connection to the different CTs with the ratio xxx:5A
Measurement Accuracy 1. Voltage: ±1.0%
2. Current: ±1.0%
3. Active Power: ±1.0%
4. Active Energy: Class 1 as defined by IEC62053-21
Typical power consumption ≤2W(220VAC input)

4 Mechanical characteristics

Specification Description
Weight 0.3Kg
Dimension 90.2*71*57.5mm (2 DIN pole)
Protection IP51
Connection 1. AC input: UA-Live wire Phase A, UB-Live wire Phase B, UC-Live wire Phase C, UN-Neutral wire
2. RS485 interface: A-Positive, B-Negative
3. CT: IA+ is Positive Phase A, IA- is Negative Phase A; IB+ is Positive Phase B, IB- is Negative Phase B; IC+ is Positive Phase A, IC- is Negative Phase C
4. SMA port: External Antenna Port

5 Environmental conditions

Specification Description
Operating Temperature -20~+60℃
Operating Humidity 5~95%
Altitude 0~3000m

6 Wi-Fi Network

Specification Description
WLAN Channel:Auto
SSID iMeter_xxxxxxxxx(8 digits serial no), no password
Configuration Page URL:
Login username: admin

7 Wi-Fi Parameters

Specification Description
Wi-Fi Mode Support WiFi 802.11b/g/n, Wi-Fi frequency 1-13
Transmit power 18.5dBm@11b,15.5dBm@11g,14.5dBm@11n;
Wi-Fi Frequency 2.400 ~ 2.472GHZ
Transmit Speed 3686400bps at highest
Maximum Connections 8
Wi-Fi Antenna External, 5dBi gain

8 RS485 interface

Specification Description
Protocol Modbus-RTU
Data format “n,8,1”
Baud rate 1200、2400、4800、9600Bps;9600Bps by default

9 Indicator

Indicator Description
RUN Always on after powering on,flashing while the WiFi module is communicating with the power meter
REV Always on when:
1. The current is reversed as per the bottom-marked current direction of CT for any phase, or
2. The CT is connected to the wrong phase
WIFI Always on after the Wi-Fi module is connected to the router


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