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Shelly EM + 120A - WiFi-Operated Energy Meter and Contactor Control

Out of Stock, can be pre-ordered


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WiFi-operated Energy Meter and Contactor Control

Monitor the consumption of any home appliances, office equipment and electric circuits (heating and cooling, power lines, lights, etc.) individually. The consumption of your whole home or generated electricity from solar panels, windmills, water generators, etc. can be monitored with the only one of its kind WiFi-operated energy meter and contactor controller in the world.

  • Two independent measuring channels up to 120A each
  • One contactor control (or load up to 2A)
  • 365 days internal memory available in case Wi-Fi is not available
  • Voltage measurement and configurable alarm reports


  • Standard warranty (included in purchase price): 24-month warranty through manufacturer due to device malfunctions when it is used in user manual described conditions.
  • While this is technically user-installable in many locales, we recommend consulting a licensed electrician to install automation components - in addition to being licensed to work with electrical devices, they are also familiar with local building codes.
  • Manufacturer's note: Each Shelly device emits heat under load. Do not combine two or more Shelly devices stacked on top of each other in a confined space. There must be a minimum distance of 1 cm between them to allow for airflow.


Power supply AC 110-230V ±10%, 50/60Hz
Power supply DC No
Special functions
Contactor Control
Yes - max 2A
Roller shutter mode
Device temperature protection No
Overload protection No
Power measurement Yes
Channels 2 Channel
Operational temperature -40ºC to +40ºC
Device power consumption < 1 W
Intelligent On/Off Yes
Local and remote control Yes
Sunrise/Sunset Yes
Weekly Schedule Yes
UL Listed option No
Wireless/WiFi Protocol 802.11 b/g/n
Radio frequency 2400 - 2484 MHz
Radio signal power 1mW
Range up to 50 m outdoors and up to 30 m indoors (depending on the building materials)
Size 42mm x 36mm x 14mm



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