Galvanically isolated switch designed to expand the capabilities of the Shelly Pro 3EM device. Easily control electrical devices with greater flexibility and control over your consumption.
*Only compatible with Shelly Pro 3EM!
5
5 Years Manufacturer Warranty
5 Years Manufacturer Warranty
This warranty covers any issues with the hardware or firmware that exist at the time of purchase or that appear within the warranty period. The warranty includes all parts of the hardware, such as the body, mechanics, and display (if applicable). However, it does not cover consumable items like batteries or accessories, as their lifespan depends on how much they are used.
Typically used for:
Contactor control
Couldn't load pickup availability
Key Features
Dry contacts
DIN-rail mountable
Shelly Pro 3EM Switch Add-on
Device identification
Device name: Shelly Pro 3EM Switch Add-on
Short description
Shelly Pro 3EM Switch Add-on (the Device) is a galvanically isolated switch that extends the features of the Shelly Pro 3EM series of devices allowing the control of contactors or other electrical appliances.
Main applications
Residential
MDU (Multi Dwelling Units - apartments, condominiums, hotels, etc.)
Light commercial (small office buildings, small retail/restaurant/gas station, etc.)
Industrial (factories, power plants, water processing, refineries, etc.)
Agricultural (farms, barns, silos, etc.)
Government/municipal
University/college
Simplified internal schematics
Device electrical interfaces
Inputs
1 load circuit input I
Outputs
1 load circuit output O
Add-on interface
Shelly proprietary serial interface
?CAUTION! High voltage on the add-on interface when the Device is powered!
Safety features
Internal temperature sensing and reporting
Supported load types
Resistive (incandescent bulbs, small heating devices)
Keep track of how much energy your solar panels and wind turbines are generating and save effortlessly by controlling your consumption with Shelly Pro 3EM Add-on. Connect Shelly Pro Add-On to your appliances and use Shelly Pro 3EM's real-time information on how much energy has been generated and consumed. When you need to save energy, Shelly Pro3EM Add-on can automatically switch off non-essential appliances in your home.
Weather-based control
Shelly Pro 3EM, enhanced with the Shelly Pro 3EM Add-on, offers weather-driven energy optimization. By scripting, you can efficiently control your appliances based on the weather forecast. Upon receiving real-time weather updates, Shelly Pro 3EM takes measures as defined in the script. For example, if the forecast indicates that it's going to be a sunny day, Shelly Pro 3EM Add-On can automatically turn off the heating anticipating higher temperatures.
PV systems balancing
When your PV system is producing more energy than your home consumes, Shelly Pro 3EM Add-On can automatically activate appliances to make use of it. For example, you can set it to turn on your water heater, charging station for electric vehicles, or other energy-intensive appliances. This way, you make the most of the abundant energy generated by your PV system and reduce dependency on the grid.
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Shipping worldwide
Shelly offers worldwide shipping, making our products accessible globally.
3 to 5 years warranty
Get a 3-year warranty on Shelly Plus, Wave, and Gen 3 devices, and 5 years on Shelly Pro and Wave Pro devices.
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