Shelly EM

£49.99 Excl. VAT £41.66

In stock

WiFi-operated energy meter with contactor control

Individually monitor the consumption of any of your home appliances, electric circuits and office equipment (lights, sockets, security systems, heating and cooling, etc.). Monitor consumption of your whole home or generated electricity from solar panels with a one of its kind WiFi-operated energy meter with contactor control functionality.

  • Wi-Fi Connected

    Shelly EM can connect directly to any Wi-Fi network, no HUB required or can operate as an Access Point.

  • Power Supply

    Shelly EM is compatible with all major international voltage standards.

  • Dual Power Metering

    Shelly ЕМ can monitor energy consumption in real time for 2 circuits simultaneously (up to 120A each).

  • Mobile App Control

    Turn devices on/off directly from your smartphone or tablet. You can manage Shelly EM output from Shelly app, MQTT or Rest API.

  • Contactor Control

    Shelly EM has integrated 2A 230V 50/60Hz relay output for contactor control.

  • Over-consumption and Excess-energy Protection

    Shelly EM can automatically notify and/or switch off the circuit if consumption or energy reaches the preset limit.

  • Embedded Web Server

    Turn on/off and monitor consumption directly from its interface without the need of any additional controller or hub, thanks to the embedded web server.

  • Sunrise/Sunset Schedules

    Shelly EM can automatically turn on/off based on the sunrise and sunset hours.

  • Weekly Scheduling

    Create custom daily schedules for your devices.



  • Power supply 110-230V ±10, 50/60Hz AC
  • Power metering Two channels, up to 120A each
  • Contactor control Maximum load: 2A at 230V 50/60Hz
  • Electrical consumption < 1W


  • Consumption history 365 days built-in energy history (Wh)
  • Complies with EU standards • RE Directive 2014/53/EU
    • LVD 2014/35/EU
    • EMC 2004/108/WE
    • RoHS2 2011/65/UE
  • Working temperature -40°C to +40°C
  • Additional features • Overpower shutdown
    • Consumption limit


  • Wireless/WiFi Protocol 802.11 b/g/n (2.4 GHz)
  • Frequency 2400 – 2484 MHz
  • Operational range (depending on local construction) • up to 50 m outdoors
    • up to 30 m indoors
  • Radio Signal Power 1mW


  • (H x W x L) 39 x 36 x 17 mm

How it works?

Download the Shelly Cloud application on your smartphone or tablet
Connect to your Wi-Fi router
Place the device wherever you wish


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20% OFF!!
Get 20% off your entire order in honour of our new website!
*Minimum spend £100. Valid until July 16.
20% OFF!!
Get 20% off your entire order in honour of our new website!
*Minimum spend £100. Valid until July 16.