Three-Phase Relay for Advanced Automation - Shelly Pro 3 is a DIN rail mounted smart relay with three channels, handling up to 48A. It supports LAN, Wi-Fi, and Bluetooth connectivity and features dry contact outputs for flexible control across residential, commercial, and industrial systems. Efficient Control of Valves and Lighting - Automate motorized valves for heating, cooling, or water distribution. Shelly Pro 3 also allows independent control of three lighting circuits, ideal for optimizing energy use in shared areas like garages, storage rooms, and hallways. Built-In Safety and Easy Installation - Designed for breaker box integration, the Shelly Pro Series includes temperature, overpower, and overvoltage protection. It enables full automation without extra wiring, making it perfect for homes, offices, and large facilities.