["A galvanically isolated switch designed to expand the capabilities of your Shelly Pro 3EM. This additional device allows you to easily control contactors and other electrical devices, giving you more flexibility and control over your consumption. Keep track of how much energy your solar panels and wind turbines generate and save effortlessly by controlling your consumption with the Shelly Pro 3EM add-on. Connect Shelly Pro 3EM Add-on to your devices and use Shelly Pro 3EM's real-time information about the amount of energy produced and consumed. If you need to save energy, the Shelly Pro 3EM add-on can automatically turn off unnecessary devices in your home. Shelly Pro 3EM, enhanced with the Shelly Pro 3EM add-on, offers weather-controlled energy optimization. With the help of scripts, you can efficiently control your devices based on the weather forecast. After receiving real-time weather data, Shelly Pro 3EM takes the actions defined in the script. For example, if the forecast shows that it will be a sunny day, Shelly Pro 3EM Add-On can automatically turn off the heating to avoid higher temperatures. If your PV system produces more energy than your home uses, Shelly Pro 3EM Add-On can automatically activate devices to use that energy. For example, you can set your water heater, electric vehicle charging station, or other energy-intensive devices to turn on. In this way, you make abundant use of the energy generated by your PV system and reduce your dependence on the power grid", "Dry contacts", "Can be mounted on DIN rail"]