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Shelly EM Gen3 Wi-Fi Energy Meter
$96.00
Individually monitor the consumption of any of your home appliances, electric circuits, grid power feed or solar production. Includes 50A clamp that is simply placed around any active power cable by a licensed electrician for precise power monitoring. Includes built-in contactor control for switching appliances (such as hot water heaters, pool pumps, etc) on or off. Add an additional clamp to monitor a second electrical circuit.
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Description
SHELLY EM GEN3.
Smart energy monitoring.
Wi-Fi operated
Connect Shelly EM Gen3 directly to your Wi-Fi network. No Smart Hub required.
Bluetooth
Add devices quickly and easy via Bluetooth connection, using Shelly Cloud App.
Precise monitoring
Accurate, real-time contactless power metering via included clamp. Expandable to 2 x 50A clamps.
Dry contacts
Built-in dry contact switch support for external contactor control.
Extremely fast processor
Gen3 – Significantly improved for faster command execution, feedback and notification.
Local data storage
Data logs stored on device for up to 10 days in 1-minute intervals. Cloud data log up to 365 days.
Enhanced security
MQTT and WSS support, TLS and custom certificates support for a broad range of use.
Improved API interface
Broad range of cloud connections and local integrations with much lower integration cost.
IMPORTANT: Shelly EM Gen3 must be installed by a licensed electerician.
Shelly Gen3.
More memory. More power.
The Gen3 series ensures the quality and reliability of Shelly devices by using their own proprietary, powerful Shelly chipset. Boasting 8MB of memory, this dramatically improves device performance and efficiency.
Virtual components.
The Shelly Gen3 Series introduces “virtual components”. Within the Shelly Smart Control app, you can now create virtual devices, integrating non-Shelly products into a unified control system.
On the road to Matter.
Each Gen3 device is engineered to be upgradable to Matter. The doubled memory, compared to Plus series, guarantees a smooth update process, paving the way for new smart capabilities and integrations.
Track.
Total power monitoring.
Know how much energy your home consumes with the new Shelly EM Gen3. Monitor single phase grid feeds, solar production or individual electrical circuits.
Expand by adding an additional 50A clamp to monitor a second power feed.
Control.
Heavy load control with contactors.
Besides precise power metering, Shelly EM Gen3 allows contactor control of heavy-load appliances such as hot water heaters, hot tubs, heat and pool pumps. This way, you can both monitor and control the consumption of larger appliances around your home or facility and maximise your savings.
Monitor.
Appliance health check.
Monitor the power usage of your appliances to ensure optimal performance and longevity. By tracking individual energy consumption patterns, you can proactively identify potential issues before they become costly problems.
App Control.
With the best cloud service in the World, user-friendly interface, scenes, bulk control and much more… the Shelly Cloud application allows you to control your home from anywhere. Each Shelly can be integrated and works with all other Shelly devices in the Shelly app.
Voice control.
Shelly devices are fully compatible with Amazon Alexa and Google Home.
“Hey Google, turn off the bedroom light.”
“Alexa, open the garage door.”
Flexible control.
Shelly Wi-Fi devices can work without a hub… but they are also compatible with…
Full control.
Shelly is an open platform. With the embedded web server and HTTP commands, Shelly can be made compatible with your home automation systems and projects… securely and easily.
The finer details
Physical |
|
| Dimensions: | 37 x 42 x 16 mm |
| Weight: | EM Gen3 - 23 g / CT 50A - 50 g |
| Screw terminals max torque: | 0.4 Nm / 3.5 lbin |
| Conductor cross section: | 0.2 to 2.5 mm² / 24 to 14 AWG (solid, stranded, and bootlace ferrules) |
| Conductor stripped length: | 6 to 7 mm / 0.24 to 0.28 in |
Environmental |
|
| Temp. Range: | -20°C to + 40 °C |
| Humidity: | 30 % to 70 % RH |
| Max. altitude: | 2000 m / 6562 ft |
Electrical |
|
| Power supply AC: | 110-230V ±10%, 50/60Hz |
| Power supply DC: | NA |
| Max. switching: | 2 A/240 V~ (contactor support) |
| Power consumption: | < 1.2 W |
| Neutral wire: | Required |
Sensors, meters |
|
| Voltmeter (AC): | 110-240 V~ 50/60 Hz |
| Voltmeter accuracy: | ±2% |
| Ammeter (AC): | 0 - 80A |
| Ammeter accuracy: | ±2 % (2 - 50 A), ±2 % (1 - 2 A), ±5 % (0 - 1 A) |
| Compatible current clamps: | 2 x CT 50A (1 included) |
| Power and energy meters: | Active and apparent power / Active and apparent energy / Power factor / Fundamental active and fundamental reactive energy |
| Calibration minimum load: | 500 W |
| No load threshold: | 30 VA per channel |
| Internal data storage: | At least 10 days of 1 min data resolution |
| Data export: | CSV for PQ recorded values / JSON format export through RPC |
| Internal temp. sensor: | Yes |
Connectivity |
|
| Wi-Fi Protocol: | 802.11 b/g/n |
| Wi-Fi Radio frequency: | 2412 - 2472 МHz |
| Wi-Fi Max. RF power: | < 20 dBm |
| Wi-Fi range: | Up to 30m indoors (depending on the building materials) |
| Bluetooth: | Yes (4.2 with BLE) |
| Bluetooth radio frequency: | 2400 - 2483.5 MHz |
| Bluetooth Max. RF power: | < 4 dBm |
| Bluetooth range: | Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors (Depends on local conditions) |
Microcontroller unit |
|
| CPU: | ESP-Shelly-C38F |
| Flash memory: | 8MB |
Features |
|
| Schedules: | Yes - Up to 20 |
| Webhooks (URL actions): | 20 with 5 URLs per hook |
| Scripting: | Yes |
| MQTT: | Yes |
OPTIONAL ACCESSORIES
Shelly EM Gen3 50A Clamp
Additional (or replacement) 50A Clamp for Shelly EM Gen3 or EM 50 Pro.
Reviews (1)
1 review for Shelly EM Gen3 Wi-Fi Energy Meter
Questions & Answers (1)
Product Questions & Answers
-
How many clamps does this unit come with, 1 or 3. Thanks
-
Q How many clamps does this unit come with, 1 or 3. ThanksA
It comes with one clamp - expandable to 2 with an additional clamp.
Only registered users are eligible to enter questions
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Anthony Spierings –
Before you purchase and install this device, it is worth reading some important detail buried in wiring diagram in the specification sheet. It shows that the power supply to the Shelly unit requires a dedicated 2A protection device (e.g. fuse or circuit breaker). Keep in mind that the 2A protective device must also be rated to successfully interrupt the fault level at the point of installation. For example, if the Shelly EM Gen3 Wi-Fi Energy Meter is installed in a switchboard, then the prospective current is normally in the 1-2kA range. A 2A fuse from the local electronics store will not suffice. Best option would be a CLIPSAL MX9MC102 2AMP SINGLE POLE CIRCUIT BREAKER 6KA or a HAGER NT102C 2 AMP SINGLE POLE 10KA CIRCUIT BREAKER or similar. A 2A circuit breaker itself is not expensive (around $12). But it can be difficult to source as most electrical wholesalers do not carry these due to lack of demand, and is often a special order. This will add cost and complexity to your Shelly EM installation. The installation manual for some of the other Shelly devices do not have a requirement for an upstream 2A protective device. Whether this is an omission in the installation manual or the other devices don’t need the 2A protective device is hard to say.