Description
The Shelly Pro EM-50 is a single-phase, 2-channel smart energy meter for DIN-rail mounting, designed for real-time monitoring and control of electricity consumption. The device incorporates advanced measurement functions and an internal relay for controlling contactors, making it ideal for residential, commercial and industrial applications.
With support for Wi-Fi, LAN and Bluetooth, the Shelly Pro EM-50 offers full local and remote access, as well as integration with automation systems via MQTT, HTTP or WebSocket.
It is the ideal solution for optimising energy consumption, particularly in photovoltaic systems or installations where energy control is essential.
Key features
- 2-channel energy meter (single-phase)
- Real-time consumption monitoring
- Integrated relay for contactor control
- DIN rail mounting
- Connectivity: Wi-Fi + LAN + Bluetooth
- Data storage for up to 60 days
- Compatible with Android, iOS, Alexa, Google, SmartThings
Features and benefits
? Accurate energy monitoring
- Measures: voltage, current, active/apparent power
- accuracy ±1%
- historical data up to 60 days
? Intelligent consumption control
- Integrated relay for contactor
- consumption-based automation
- consumption limitation or equipment protection
? Ideal for photovoltaic systems
- Production and consumption monitoring
- self-consumption optimisation
- integration into smart energy scenarios
? Professional connectivity
- Wi-Fi + LAN + Bluetooth
- local or cloud control
- BMS / API / MQTT integration
? Maximum flexibility
- works standalone or integrated
- support for complex automation
- remote access from anywhere
Applications
- Photovoltaic systems
- Smart switchboards
- Commercial buildings
- Residential energy monitoring
- Industrial automation
| General information |
| Model |
Shelly Pro EM-50 |
| Type |
2-channel energy meter |
| Installation |
DIN rail |
| Connectivity |
| Wi-Fi |
802.11 b/g/n |
| LAN |
RJ45 |
| Bluetooth |
4.2 |
| Compatibility |
| Platforms |
Android, iOS, Amazon Alexa, Google Home, Samsung SmartThings |
| Power |
| Voltage |
100–260 V AC |
| Power consumption |
< 3 W |
| Measurement |
| Voltage |
100–260 V |
| Current |
0 - 50 A (via CT) |
| Accuracy |
±1% |
| Parameters |
Active power, apparent power, energy, power factor |
| Integrated relay |
| Maximum voltage |
240 V AC |
| Maximum current |
2 A |
| Data storage |
| Duration |
up to 60 days |
| Interval |
1 minute |
| Protections |
| Protection |
Overheating |
| Operating conditions |
| Temperature |
-20°C to +40°C |
| Humidity |
30% ~ 70% RH |
| Dimensions |
| Dimensions |
94 x 19 x 69 mm |
| Weight |
63 g |
