Designed with industry-grade mTLS for MQTT, HTTP, and secure outbound WebSockets, Shelly Pro 3EM 400A ensures safe direct cloud connectivity while helping to cut down on network deployment expenses.

With MODBUS compatibility, Shelly Pro 3EM 400A delivers precise monitoring of voltage, current, power, and energy. Thanks to customizable firmware, it provides real-time data updates as frequently as every 100 milliseconds.

Shelly Pro 3EM 400A tracks two-way energy flow across three phases or circuits, handling up to 400 A per phase. It provides detailed insights into key power metrics, including active and reactive power, voltage, and power factor.

Take direct control of your Shelly and Wi-Fi devices without depending on cloud connectivity. Automate heating, cooling, and EV charging based on your solar (PV) output, with intelligent power shedding for optimized energy use.
 

Shelly Pro 3EM 400A makes it easy to monitor renewable energy sources like solar panels and wind turbines. Analyze real-time performance, review two months of historical data, and link with other Shelly devices to automate your energy management effortlessly.