Shelly Pro 3EM 400 A, power meter incl. 3 terminals 400A, WiFi
Shelly Pro 3EM 400 A, power meter incl. 3 terminals 400A, WiFi
Shelly Pro 3EM-400 is a new generation three-phase device with Wi-Fi, Bluetooth and LAN connectivity. It allows accurate monitoring of the power consumption of home and business electrical circuits with 1% accuracy and reports instantaneous voltage, current and power factor on each phase. It offers up to 60 days of historical data and supports scripting for complex scenes and automation.
Key features of the Shelly Pro 3EM 400 A, Wifi power meter
- New generation three-phase equipment
- Wi-Fi, Bluetooth and LAN connectivity
- Accurate consumption monitoring (1% accuracy)
- Voltage, current and power factor measurements on each phase
- Historical data up to 60 days with 1 minute resolution
- Scripting support for complex scenes and automation
Precise measurement and easy integration
The Shelly Pro 3EM-400 supports four-quadrant measurement of both capacitive and inductive loads and offers Class B accuracy. With support for MODBUS, MQTT, WebSocket, UDP and mTLS, it integrates easily into industrial systems. It is compatible with Home Assistant and offers industry-grade security including mTLS for MQTT, HTTP and outbound web sockets. This allows direct connection to the cloud infrastructure without the need for complex networks and VPNs. The device is suitable not only for households but also for industrial deployment, where it provides accurate sampling of consumption and instantaneous values up to every 100 ms.
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| Code: | Shell24_007 |
| Warranty: | 36 months |
| Links: | Producer's Website: |
| Manufacturer information |
Shelly Group LLc., : 51 Cherni Vrah Blvd., building 3, floor 2 and 3, 1407 Sofia, Bulgaria, [email protected] , +359 2 957 1249 
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