Shelly Pro 3EM Wlan Smart Relay

Transform your energy management with the Shelly Pro 3EM, a professional-grade 3-phase energy meter and smart relay designed for ultimate precision and control. This DIN-rail mountable device is the definitive solution for monitoring and managing high-power electrical circuits in both sophisticated smart homes and commercial environments. By providing real-time, highly accurate data on consumption and production, the Shelly Pro 3EM empowers you to optimize efficiency, reduce costs, and automate your entire electrical ecosystem with unparalleled intelligence.

Take professional energy monitoring to the next level with the Shelly Pro 3EM 120 A, a three‑phase DIN‑rail device offering WiFi, LAN and Bluetooth connectivity.

Designed for advanced home or small commercial installations, this unit measures up to 120 A per phase with high accuracy and stores up to 60 days of data with one‑minute resolution.

Whether you´re tracking solar production, managing multiple circuits or integrating with your smart home system, it allows real‑time insights and advanced scripting to automate responses to energy patterns.

Its compact form factor makes it easy to install in standard panels, and it works independently.
- no hub required.

Compatible with major ecosystems, it delivers professional‑grade control while remaining accessible for smart home enthusiasts wanting precision, automation and control in one powerful package.

Engineered for reliability, the Shelly Pro 3EM ensures you are always connected. It features robust connectivity options including 2.4 GHz Wi-Fi and a stable LAN (Ethernet) connection, guaranteeing consistent data reporting even in challenging network environments. The addition of Bluetooth allows for quick and effortless device setup and integration. With its measurement accuracy to Class B for active energy, it is precise enough for detailed sub-metering, tracking the consumption of individual heavy-duty appliances, or verifying the output of your photovoltaic (PV) solar array.

Unlock the full potential of smart energy management with advanced protection and scripting capabilities. The Shelly Pro 3EM is equipped with essential safety features, including overpower, overvoltage, and overcurrent protection, safeguarding your valuable equipment and electrical system. For the ultimate in custom automation, it supports mJS scripting, allowing you to create complex, tailored scenarios that react to specific energy events, time of day, or data from other smart devices. This powerful flexibility enables you to build a truly intelligent and responsive energy system that works perfectly for your unique needs. Integrate it seamlessly into your preferred platform, with full support for Home Assistant, Amazon Alexa, and Google Home, and take command of your energy consumption with the precision and power of the Shelly Pro 3EM