Shelly
Shelly EM
Shelly EM
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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.
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Wi-Fi Connected
Shelly EM can connect directly to any Wi-Fi network, no HUB required or can operate as an Access Point.
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Power Supply
Shelly EM is compatible with all major international voltage standards.
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Dual Power Metering
Shelly ЕМ can monitor energy consumption in real time for 2 circuits simultaneously (up to 120A each).
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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.
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Contactor Control
Shelly EM has integrated 2A 230V 50/60Hz relay output for contactor control.
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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.
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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
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Sunrise/Sunset Schedules
Shelly EM can automatically turn on/off based on the sunrise and sunset hours.
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Weekly Scheduling
Create custom daily schedules for your devices.
Specification
POWER
- 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
- Includes 1x 50A clamp
FEATURES
- 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
CONNECTIVITY
- 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
DIMENSIONS
- (H x W x L)39 x 36 x 17 mm
The Shelly EM was relatively easy to install, and the app is good enough, and simple integration into Home Assistant. Unfortunately, the second sensor port doesn't work. Not sure whether this is due to a bad port on the board, or a bad 50A sensor. The second port would have been nice, but not critical enough to delay my data collection which is why I haven't reached out for an RMA.
Bought 3 Shelly EMs to monitor five circuits and had them installed by an electrician. These Shelly EMs are easy to commission via the Shelly app once wired up and can be easily integrated into Home Assistant for energy monitoring and other automation. A great versatile product.
Quick and easy. Just installed now.
Excellent device to monitor energy by circut. Easy to install and integrate with Home Assistant.
Had the electrician install the Shelly EM today. Goods news is it powered up, but the bad news is only CH2 seems to be working.
We've tested the current transformers and they seem to be OK, and swapped the transformers to the other channel, so it would seem CH1 is not functioning.
Not sure where we go from here and whether it is fixable, or will need a replacement.
I still need to connect it to my network, and from there consume the data into a new Node Red flow.