3 Phase Energy Meter Wi-Fi,split phase,bi-directional,net energy metering, Modbus TCP/RTU
Introducing WEM3050T

The WEM3050T is a compact 3-phase Wi-Fi energy meter designed for home energy monitoring, solar monitoring, and electricity cost optimization.
It supports both three-phase and split-phase systems, making it suitable for residential users worldwide.
With IAMMETER, this is not just a meter — it is the entry point to a complete energy monitoring and optimization system:
- Measure real-time electricity usage
- Analyze energy consumption and electricity bills
- Optimize solar self-consumption and reduce grid usage
🔎 Looking for a complete solution?
This product is part of IAMMETER’s solutions:
👉 Home Energy Monitoring
👉 Solar Energy Monitoring
👉 Energy Cost Optimization
Why Choose WEM3050T
- Compact 2P design, easier installation than traditional 4P meters
- Built-in Wi-Fi for quick deployment
- Works with IAMMETER-Cloud (free Basic version included)
- Open APIs for advanced integrations
- One meter can monitor entire home + solar system
Features
🔹 Measurement Features
- Supports single-phase, three-phase, and split-phase energy measurement
- Measures voltage, current, active power, apparent power, and power factor
- Performs bidirectional metering (import/export energy)
- Compatible with Net Energy Metering (NEM)
- Measures active and reactive energy (kWh / kVARh)
- High accuracy (Class 1, IEC62053-21)
🔹 Communication & Interface Features
- Built-in Wi-Fi
- Supports RESTful APIs, MQTT, Modbus/TCP, HTTP/HTTPS
- Real-time local and cloud data access
- Secure HTTPS communication
- Easy configuration via WebUI
🔹 Integration & System Compatibility
- Works with Home Assistant, Node-RED, OpenHAB, ioBroker
- Supports IAMMETER-Docker and IAMMETER-Central
- Suitable for developers and system integrators
- IAMMETER-Cloud Basic included (free forever)
Electrical Specifications
| Specification |
Description |
| Input Voltage |
80V–277VAC (Phase), 140V–480VAC (Line) |
| CT Rating |
150A |
| Measurement Accuracy |
±1.0% (Voltage, Current, Power), Class 1 Energy |
| Typical Power Consumption |
≤2W (230VAC input) |
What Can You Do with WEM3050T?
With WEM3050T, you can:
- Monitor your entire home energy usage in real time
- Track electricity bills and consumption trends
- Analyze peak usage and reduce waste
- Monitor solar generation and grid import/export
- Improve solar self-consumption
👉 Try the live demo:
https://www.iammeter.com/home/autologin/product_wem3080T?type=3
Who Is WEM3050T Designed For?
🏠 Homeowners
- Monitor electricity usage and reduce bills
- Understand where energy is consumed
- Prepare for solar or smart energy systems
👉 Home Energy Monitoring Solution
☀️ Solar PV Users
- Monitor solar generation and grid interaction
- Track self-consumption
- Reduce electricity costs
👉 Solar Energy Monitoring Solution
💰 Cost Optimization Users
- Identify high-cost usage patterns
- Shift loads and reduce peak consumption
- Improve energy efficiency
👉 Energy Cost Optimization Solution
🧩 System Integrators & Developers
- Open APIs (HTTP, MQTT, Modbus/TCP)
- Local and cloud integration
- Custom dashboards and automation
Typical Application Scenarios
- Residential solar PV monitoring
- Home energy monitoring
- Electricity cost optimization
- Smart home automation
- IoT and research projects
Integration Options
WEM3050T includes IAMMETER-Cloud Basic Service (free for lifetime).
It provides:
- Real-time monitoring
- Historical data analysis
- Electricity billing reports
👉 IAMMETER-Cloud Overview
Local & Self-Hosted Integration
For advanced users:
- Local API
- MQTT
- Modbus/TCP
👉 IAMMETER Local API Guide
Self-Hosted Deployment Options
- IAMMETER-Docker
- IAMMETER-Central
- Raspberry Pi / NAS / industrial PC
👉 Self-hosted Integration Guide
Firmware & Software Support
- OTA firmware updates
- WebUI configuration
- Continuous feature updates
WEM3080T vs WEM3050T
|
WEM3080T |
WEM3050T |
| Package |
4P |
2P |
| Cloud Service |
IAMMETER-Cloud Pro |
IAMMETER-Cloud Basic |
| Certifications |
UL, CE, RCM, FCC |
CE, FCC, RCM |
Start Monitoring and Optimizing Your Energy
The WEM3050T is not just a meter — it is the starting point for a smarter energy system.
👉 Explore full solutions:
https://www.iammeter.com/solutions/
Reference
Last updated on: Feb 04, 2026