Datasheet of WEM3050T

1 Key Features 2 General Specification 3 Electrical characteristics 4 Mechanical characteristics 5 Environmental conditions 6 Wi-Fi Network 7 Wi-Fi Parameters 8 Indicator 9 Compliance Certificates and standard 10 Attachment

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

1 Key Features

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

Specification	Description
Standard package	1. Wi-Fi Energy Meter (WEM3050T) x 1 2. Split-core Current Transformer(150A, 250A or 500A optional) x 3 3. 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)

Specification	Description
Input Voltage	80V～277VAC (Phase Voltage), 140V～480 VAC (Line Voltage)
CT Rating	150A
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 (230VAC input)

Specification	Description
Weight	0.40Kg
Dimension	90×36.5×58mm (2 DIN pole)
CT Diameter	16mm
Protection	IP51 applied for the front of the product
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

Specification	Description
WLAN	Channel:Auto Security:WPA2-PSK
SSID	iMeter_xxxxxxxxx(8 digits serial no), no password
Configuration Page	URL:http://11.11.11.1 Login username: admin Password:admin

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

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

Essential Requirements	Applied Standard
Health	1.EN 62479:2010 2.EN 50663:2017
Safety	1. IEC 62052-11:2020 2. IEC 62053-21:2020
Electromagnetic Compatibility	1. EN IEC 61000-6-3:2021 2. EN IEC 61000-6-1:2019 3. ETSI EN 301 489-1 V2.2.3(2019-11) 4. ETSI EN 301 489-17 V3.2.4(2020-09)
Effective Use of the Radio Spectrum	1. ETSI EN 300 328 V2.2.2(2019-07)

CE Certificate

FCC Certificate

RoHS Declaration

Note

If you have a WeChat account, please follow our IAMMETER WeChat public ID.

Monitor two-way energy by one meter with bi-directional function
DIN-Rail mounting fits neatly in the meter box
Open API for integration with your own server
CE,FCC,UL,RoHs, RCM Complied
Applied in three phase or single phase (as 3 single phase meters) system, or split-phase system

Monitor two-way energy by one meter with bi-directional function
Support 5A input current, so you can connect your own CTs with xxx:5A ratio to this meter. Measure large current easily.
Open API for integration with your own server
CE, FCC, RoHs Complied
Applied in three phase or single phase (as 3 single phase meters) system, or split-phase system

Monitor two-way energy by one meter with bi-directional function
Small size and low price, DIN-Rail mounting fits neatly in the meter box
Open API for integration with your own server
CE, FCC, RoHs Complied
Applied in three phase or single phase (as 3 single phase meters) system, or split-phase system

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