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Shelly 3EM Device Page

Status and Control

From left to right across the status and control bar, you see the Device image, name, and a power button . Click the power button to turn your device on/off. Your device is on when there is a blue ring around the power button , and is off when the ring is gray. Directly below the status and control bar is the current Device power in watts, voltage in volts, and whether the device is active.

The status and control bar remains at the top of the Device page when you click on either the Status and control or Settings tab.

Power Data Total

Observe the Shelly Device Power (in watts) on the left-hand side, and the Overall consumption (in Watt-hours).

Phase A, B & C

Observe the Shelly Device’s Phase A/B/C’s power (Watts), the voltage (Volts), overall consumption (Watt-hours), PF, and reactive power (VAR).


This tab only appears for Shelly Devices with power metering (PM) capabilities.

Observe a chart with the Shelly Device consumption displayed in watt-hours (Wh). Above the consumption chart, you can select the time interval and the date from which you want data to be shown. Below the consumption chart you have the option to download the consumption data by clicking the DOWNLOAD button. This downloads a table of your Shelly Device consumption data.

If a firmware update is available, then you will observe a "Firmware Update Available" text below the Consumption chart. Click the UPDATE button to update your Shelly Device firmware.



Allows you to manage the power supply automatically. You may use:

  • Auto on: After turning off, the relay output will be automatically turned on after a predefined time (in seconds).

  • Auto off: After turning on, the relay output will be automatically turned off after a predefined time (in seconds).


Create a weekly schedule for the day(s) and time(s) you want the corresponding device to turn On/Off automatically. You may add up to 20 weekly schedules.

  • Select the day(s) of the week.

  • Choose time interval: time, sunrise, or sunset.

  • Set the time for the specified day(s):

    • Time: Click up/down button, or type in a number, to set a time in hours and minutes.

    • Sunset/Sunrise: The Shelly device may turn on/off automatically at sunrise/sunset, or at a specified time before or after sunrise/sunset. Click up/down button, or type in a number, to set a time in hours and minutes.

  • Set the action as on/off.

This function requires a working connection to the Internet.

I/O Actions

Use events to trigger http endpoints. For each possible condition, click the Enable checkbox to enable the condition. Input up to 5 URLs per condition. The possible conditions are:

  • Output on

  • Output off

  • Channel 1 - over power

  • Channel 1 - under power

  • n_mismatch_url

  • Channel 2 - over power

  • Channel 2 - under power

  • Channel 3 - over power

  • Channel 3 - under power

  • Sum off all channels over power

  • Sum off all channels under power



Register the Shelly device to connect to up to 2 different Wi-Fi networks. Either input or select the Wi-Fi network. Can select an open network, and also set a static IP address. Enable Wi-Fi 1, or Wi-Fi 2, or both at the same time. If both Wi-Fi 1 and Wi-Fi 2 are enabled, and the Shelly device disconnects from one of the networks, it will connect to the other.

Access Point

Enable to configure the Shelly device to create a Wi-Fi AP and you can connect to its network. Can also set it to be an open network.

Wi-Fi AP Roaming

Click the Enable checkbox. Set the RSSI signal strength value below which the device will periodically scan for a better access point. Set a value between -50 to -90. Click the APPLY button to apply any changes made.

Restrict Login

Restrict the web interface of the device with a Username and Password.


Enable to connect Shelly Device to its cloud. This allows you to control it remotely, and receive notifications and updates about your devices.


Click the checkboxes under each Phase (A/B/C) to enable Max Power protection. Configure Shelly Device to turn off when power consumption reaches the set value in Watts (W). Please note the power range you can set is between 0 to 26,000 W.

Application Settings

Consumption Calculation

If your device has power metering capabilities, this application settings is available. Enable/disable exclusion of device from total room/account consumption.

Pin Lock

Enable and set a channel pin lock.

Sync Name

Keep the device name in sync with the name given in the app.

Exclude From Event Log

Do not show event log reports for this device in the app.

Sub Settings Title Device Split

Split the Shelly Device into three, where each phase/clamp is considered as a device.


Input an email and share control of the Device with another Shelly Cloud user. The other user will only have access to the Device's power button (on/off), and be able to see the Device Information. The other user cannot see the other device settings.


Eco Mode

Device will consume less energy and run at a lower temperature. Device will reboot if you disable/enable this function.

Consumption Indicator

Select from the following setting from the dropdown menu:

  • Disable

  • Active power (P, 1000 imp/kWh)

  • Apparent power (S, 1000 imp/kWh)

Power On Default

Select from the following:

  • On: Configure Shelly Device to turn on when it has power.

  • Off: Configure Shelly Device to turn off when it has power.

  • Restore last mode: Configure Shelly Device to restore the last mode it was in when it has power.

LED Status Disable

Click the check box to disabled Wi-Fi status LED.

Transformer Calibration

Use this option ONLY if you have to replace the current transformer with a new one (supported only for 120A transformers provided by the manufacturer)!

Select the phase you wish to calibrate from the dropdown menu. Then select the phase from which you want to calibrate it from the second dropdown menu. Click the CALIBRATE or FACTORY CALIBRATE button to complete the calibration process.

Range Extenders

Click on the checkbox for the phase (A/B/C/N) you wish to indicate as connected.

Firmware Update

Shows your current firmware version. If a newer version is available, you can update your Shelly device by clicking the UPDATE button.

Geo Location And Time Zone

Set your time zone and geo-location manually, or enable/disable automatic detection.

Device Name

Change the current device name. This will reflect on the device name in the application if the “Sync name” application setting is enabled. Click the SAVE button to save any changes made.

Channel Name

Change the current channel name. This will reflect on the device name in the application if the “Sync name” application setting is enabled. Click the SAVE button to save any changes made.

Factory Reset

Remove Shelly Device from your account and return it to its factory settings. This will delete all set data.

Device Reboot

Reboot your Shelly Device.

Device Info

Here you can view the ID, IP and other settings of your device.

Upon clicking Edit device, you can change the room, name or image of the device.

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