Shelly 3EM
Shelly 3EM
Shelly 3EM
Shelly 3EM

Shelly 3EM

On stock

WiFi-operated 3 Phase Energy Meter and Contactor Control


  • Monitor the consumption

Monitor the consumption of any home appliances, electric circuit and office equipment (lights, power lines, security systems, heating and cooling, etc.) individually

The consumption of your whole home or generated electricity from solar panels with the only one of its kind WiFi-operated Energy Meter with contactor control functionality in the world


Shelly 3EM can be connected to any Wi-Fi network or can operate as an Access Point

Control remotely

Control Shelly 3EM directly from your smartphone or tablet and manage its output from the Shelly Cloud app, MQTT, or Rest API

Highly compatible

Shelly 3EM is compatible with both Android and iOS

Overconsumption and over energy protection

Shelly 3EM will automatically turn off the whole circuit if consumption or energy reaches the set limit

Sunrise/Sunset schedules

Automatically follow the sun and turn Shelly 3EM ON/OFF based on the sunrise and sunset hours

Weekly schedules

Choose a time and create custom daily schedules for your Shelly 3EM

Anti energy theft protection

Monitor real-time energy consumption for each phase and compare it to the neutral to know if someone is stealing electricity

Monophase systems

Shelly 3ЕМ can also monitor monophase electrical systems with up to 3 points simultaneously

  • three independent measuring channels up to 120A each
  • one contactor control (or load up to 10A)
  • 365 days of internal memory in case Wi-Fi is not available
  • voltage measurement and configurable alarm reporting
  • Included 3x Current Transformers 120A


Product Details

Power supply AC
110-230V ±10%, 50/60Hz
Contactor Control
Yes - max 10A
24 months
Power supply DC
Roller shutter mode
Overload protection
Power measurement
3 Channels
Operational temperature
-10ºC to +40ºC
Device power consumption
< 1 W
Intelligent On/Off
Local and remote control
Weekly Schedule
Wireless/WiFi Protocol
802.11 b/g/n
Radio signal power
up to 50 m outdoors and up to 30 m indoors (depending on the building materials)
73 mm x 57 mm x 22 mm

About Shelly Group PLC

Shelly Group PLC is an innovative company founded in Bulgaria with the goal of making life easier for modern people. The company is devoted to the development of innovative IoT solutions and products. In two years only, our team of young talented developers, together with a strong sales team, built a whole new trend in Home Automation and in Wearable devices. The main development lines are the Smart localization devices MyKi, Home Automation products Shelly and a line of Health Care products - MyKi Care. 35 mobile operators worldwide gave their trust to our products, and the number is growing!

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