MCW02-E

PowerUC MCW02-E 3-Phase Current Power Monitor is a WiFi-enabled energy monitoring device designed for three-channel current measurement and estimated power monitoring. It uses one voltage reference and three current transformer inputs to monitor electrical load conditions across three circuits or three phases.

The device measures voltage reference, three current channels, estimated per-channel power, estimated total power, frequency, and device temperature. It supports MQTT, Home Assistant, and EmonCMS, making it suitable for smart home energy dashboards, local energy monitoring, and long-term data logging.

Key Features

Three current transformer inputs
Single voltage reference measurement
Estimated per-channel power
Estimated total power
Frequency monitoring
Temperature monitoring
WiFi connectivity
Built-in web configuration interface
MQTT data publishing
Home Assistant integration
EmonCMS data logging
Calibration settings
Firmware update via web interface
Local network operation
Supports custom development and over-the-air (OTA) updates.

Smart Home And Energy Monitoring

PowerUC can publish real-time measurement data over MQTT and integrate with Home Assistant. Users can create dashboards, monitor circuit load, set alerts, and build automations based on current, estimated power, voltage reference, or device status.

For long-term energy monitoring, the device can send data to EmonCMS. EmonCMS allows users to store historical current and estimated power data, view trends, compare channels, and analyze load patterns over time.

Typical Applications

Three-channel current monitoring
Estimated three-phase power monitoring
Electrical panel monitoring
Smart home energy monitoring
Home Assistant energy dashboard
MQTT power monitoring
EmonCMS energy data logging
Load monitoring
Circuit current monitoring
Equipment power usage estimation
Solar or battery system auxiliary monitoring
Remote electrical data collection

Open Integration

PowerUC is built for local-first energy monitoring. It works with MQTT brokers such as Mosquitto and EMQX, smart home platforms such as Home Assistant, and energy data platforms such as EmonCMS. It can also be integrated with Node-RED, InfluxDB, and Grafana for custom dashboards and automation workflows.