The Fronius Smart Meter 63A-3 is a bidirectional energy meter designed for use with Fronius inverters to accurately measure energy consumption and production in a three-phase power system. It provides precise readings, enabling optimized energy management and load control. The meter communicates with Fronius inverters via the Modbus RTU interface, allowing for real-time monitoring and management through the Fronius Solar.web portal. Its built-in LCD display offers easy access to key measurement values and system status. The device is housed in a compact and robust enclosure, suitable for indoor installations.