Descrizione
The Shelly Pro 3EM 3CT63 is a three-phase smart energy meter, suitable for DIN-rail mounting, designed for the accurate monitoring of electricity consumption in residential, commercial and industrial applications.
The device provides real-time measurement of voltage, current, active and apparent power for each phase, making it ideal for consumption analysis and energy efficiency optimisation.
With support for LAN (Ethernet), Wi-Fi and Bluetooth, as well as integration into professional systems via Modbus, MQTT and APIs, the Shelly Pro 3EM is a complete solution for energy management.
⚠️ Does not include a relay – load control is provided via the optional Shelly Pro 3EM Switch Add-on module.
Key features
-
Single-phase / three-phase energy meter
-
Real-time measurement on each phase
-
DIN rail mounting
-
LAN + Wi-Fi + Bluetooth connectivity
- Current transformers included (3CT63 – up to 63A)
- Data storage for up to 60 days
- Compatible with Android, iOS, MQTT, Modbus, API
- Ideal for industrial and photovoltaic applications
Features and benefits
? Full three-phase monitoring – See exact consumption on each phase → total control over the installation.
? Advanced energy analysis
Measures:
- voltage
- current
- active power
- apparent power
- power factor
? 60-day data storage – Detailed history for analysis and optimisation.
? Ready for photovoltaics
Perfect for:
- prosumers
- PV systems
- monitoring production vs consumption
? Professional integration
Full support for:
- Modbus
- MQTT
- WebSocket
- API
Applications
- Three-phase consumption monitoring
- Photovoltaic systems (prosumers)
- Commercial and industrial buildings
- Electrical panels
- Data centres
- BMS (Building Management) systems
| General information |
| Model |
Shelly Pro 3EM 3CT63 (SPEM-003CEBEU63) |
| Product type |
Three-phase smart energy meter |
| Installation |
DIN rail |
| Supported phases |
Single-phase / Three-phase |
| Current transformers |
| Model |
3CT63 |
| Measured current |
0 – 63 A |
| Measurements |
| Voltage |
100 – 260 V AC |
| Current |
0 – 63 A |
| Active power |
Yes |
| Apparent power |
Yes |
| Power factor |
Yes |
| Accuracy |
| Accuracy class |
Class B (~±1%) |
| Data storage |
| History |
up to 60 days |
| Resolution |
1 minute |
| Connectivity |
| Ethernet (LAN) |
Yes |
| Wi-Fi |
802.11 b/g/n |
| Bluetooth |
4.2 |
| Protocols |
| Modbus |
Yes |
| MQTT |
Yes |
| HTTP / WebSocket |
Yes |
| Compatibility |
| Platforms |
Android, iOS, BMS systems, Home Assistant |
| Power |
| Voltage |
100–260 V AC |
| Power consumption |
< 3 W |
| Operating conditions |
| Temperature |
-20°C to +40°C |
| Hardware |
| CPU |
ESP32 |
| Memory |
16 MB |
