Shelly 3EM
£105.19
The Shelly 3EM is a Wi-Fi three-phase energy meter with built-in contactor control, letting you individually monitor consumption of appliances, circuits, or a whole home installation including solar generation. It measures three channels simultaneously and pairs relay-style load switching with metering in one device.
- Three metering channels, up to 120A each
- Built-in contactor control for load switching
- 365 days of built-in energy history
- Includes overpower shutdown and consumption limit features
Buy the Shelly 3EM online in the UK from ShellyUK — genuine Shelly stock with fast UK delivery.
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 3 phase energy meter with contactor control functionality.
Three metering channels, up to 120A each
Built-in contactor control for load switching
365 days of built-in energy history
Includes overpower shutdown and consumption limit features
Where you'd use it
Three-Phase Solar Balancing
Track import and export across all three phases of a solar-equipped house to see exactly how much self-generated power is being used versus sent back to the grid.
Overload Protection by Circuit
Pair the contactor control with the overpower shutdown feature to cut a specific circuit automatically before it trips the main breaker.
Year-Long Usage Review
Pull the 365-day built-in consumption history to spot seasonal spikes, such as heating load in winter, and plan tariff changes around it.
Specification
Connectivity
- Wireless/WiFi Protocol
- 802.11 b/g/n (2.4 GHz)
- Operational range (depending on local construction) • up to
- 50 m outdoors • up to 30 m indoors
- Radio signal power
- 1mW
Physical & Build
- (H x W x L)
- 73 x 57 x 22 mm
Power & Electrical
- Power supply
- 110-230V ±10, 50/60Hz AC
- Power metering
- 3 channels, up to 120A each
- Contactor control Maximum load
- 10A
- Electrical consumption < 1W
Other
- 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
- 0°C to +40°C
- Additional features • Overpower shutdown • Consumption limit
- Frequency
- 2400 – 2484 MHz
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