Description
The Shelly Pro EM-50 + 2 50 Ampere Clamps - WiFi Module
The Shelly Pro EM is a two-channel single-phase energy meter. It works autonomously on a local LAN and WiFi network, or it can also be used through cloud home automation services via MQTT, HTTP, and WebSocket. It should be noted that all input connections support TLS.
The Shelly Pro EM reports accumulated energy, as well as instantaneous voltage, current, active and apparent power, per circuit and in real-time. It stores data in non-volatile memory, with 1-minute intervals that can be retrieved for a period of up to 60 days.
Product features:
Brand: Shelly
Model: Shelly EM PRO
Power supply: 110-240V AC, 50/60 Hz
Energy consumption: < 3W
Sensors/meters:
- Voltmeters (RMS for each circuit): 100-260 V
- Voltmeter accuracy: +1 %
- Ammeters (RMS via CT for each circuit): 0-50 A
- Ammeter accuracy: ±2% (0 - 5 A) / ±1% (5 - 50 A)
- Power and energy meters:
· Active and apparent power
· Active and apparent energy
· Power factor
- Internal temperature sensor: Yes
Storage and export of measurement data:
- Local storage of at least 60 days (if using 1-minute resolution)
- Data export: CSV for recorded PQ values
- JSON format export via RPC
Contact:
- Potential-free (dry contact): Yes
- Max current on contact: 2A
- Maximum switching voltage: 240 V AC
Wireless Connectivity
- Maximum WiFi RF power: 15 dBm
- WiFi protocol: 802.11 b/g/n (2.4 GHz)
- Frequency: 2400 - 2495 MHz
- WiFi operating range (depending on local conditions):
· up to 50 m outdoors
· up to 30 m indoors
- Bluetooth protocol: 4.2
- Bluetooth range (depending on local conditions):
· Up to 10 m indoors
· Up to 30 m outdoors
System and Firmware Capabilities
- CPU: ESP32-D0WDQ6
- Flash: 16 MB
- Webhooks (URL actions): 20 with 5 URLs per hook
- Script: Yes
- MQTT: Yes
- CoAP: No
Mounting: on DIN rail
Compliant with EU standards:
- RED 2014/53/EU
- LVD2014/35/EU
- EMC2014/30/EU
- RoHS2 2011/65/EU
Operating temperature: -20°C to 40°C
Enclosure material: Plastic
Color: White
Dimensions (HxWxD): 94x19x69 mm
Power and energy measurement in 2 circuits (on the same live wire);
4-quadrant measurement (consumed/generated and inductive/capacitive reactive);
Shows values per circuit and in real-time;
Accumulated energy values, instantaneous voltage, current, active and apparent power;
Stores data in non-volatile memory, minimum resolution of 1 minute (up to 60 days);
Accuracy class B (IEC 62053-21)
Ready for photovoltaic energy systems
WiFi, LAN and Bluetooth connectivity
Simultaneous use of Ethernet and WiFi
DIN rail mounting
Built-in relay with 2A dry contact
MQTT, HTTP, WebSocket data transport
TLS 1.2 security
Modbus TCP protocol support
Built-in configuration and monitoring Web interface
Real-time clock
Includes:
1x Shelly EM Pro
2x 50 Ampere Clamps
1x Instruction Manual
Reference: SHPROEM
Barcode: 3800235268148



