Shelly PRO 3EM+3 400A terminals included in the package
Code: SHELLY-PRO-3EM-400ARelated products
Product detailed description
Shelly PRO 3EM with 400A Terminals - WiFi Smart Energy Meter
This powerful three-phase energy meter is capable of measuring up to 400A per phase. It transmits data via integrated WiFi or LAN directly to the Shelly smart app. It features accurate built-in data logging (60 days at 1-minute resolution) combined with an impressive 1% measurement accuracy.

Features of Shelly PRO 3EM 400A:
- 4-quadrant measurement: Tracks both capacitive and inductive load types (import and export energy).
- Class B measurement accuracy: Highly precise 1% accuracy.
- Modbus Support: Built for quick integration into large commercial and industrial environments.
- WiFi/LAN & Bluetooth: Simultaneous use of Ethernet and WiFi. Communicates over MQTT, WebSocket, UDP, and mTLS.
- mJS Scripting: Customize the meter's logic to perfectly fit your automation needs.
Use Cases:
- Industrial & Commercial Use: With 400A clamp support, it is built to handle heavy electrical distribution panels. Leverage Modbus for high-speed data transmission every 100 ms.
- Bidirectional Solar Monitoring: Get a complete overview of your photovoltaic or wind generation. The Shelly Pro 3EM provides real-time system efficiency data, managing energy flow back to the grid.
Parameters of Shelly Pro 3EM 400A:
- Current Transformers: 3 x 400A (included in package)
- Dimensions (HxWxD): 94 x 19 x 69 mm (DIN rail compatible)
- Wire cross-section: 0.5 to 2.5 mm²
- Power supply: 110 – 240 V AC, 50/60 Hz
- Data export: CSV or JSON via RPC
- Connectivity: Wi-Fi (up to 30m indoors), LAN RJ45, Bluetooth
- IT Security: mTLS support, Webhooks (up to 20 actions)
Additional parameters
| Category: | Shelly |
|---|---|
| Warranty: | 2 years |
| EAN: | 3800235268117 |
| ? Device type: | Energy meter |
| ? Power supply: | 230VAC |
| ? Supported in system: | HomeAssistant, Shelly |
| ? Wireless protocol: | WiFi, LAN, Bluetooth |
| ? Device color: | White |
| Napájanie: | : 110 – 230 V ± 10% AC, 50/60 Hz |
| Meranie do: | 400A |
| The item has been sold out… | |
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Shelly products at the best prices
The Shelly brand is probably the most groundbreaking brand in the field of smart home products these days. New products that come out of this manufacturer's workshop every month complement smart homes not only on the WiFi protocol, but also on Z-Wave. Shelly has everything from relays, dimmers and sensors to energy consumption meters in its portfolio.
Among the very distinctive products of this brand are Shelly Mini modules, which are the smallest modules on the market. They are available in both WiFi and Z-Wave versions.


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