The Shelly 3EM-63T Gen3 (Flat Terminal Model) is an advanced three-phase energy meter specifically designed to accurately measure energy consumption in three individual phases. With a maximum load of up to 63A and an accuracy of 99%, this device fulfils IEC 62053-21 Class B standards. It enables real-time monitoring of power data such as current, voltage and power factor with a resolution of one minute. The integrated data storage allows energy consumption data to be stored for up to five years, enabling comprehensive analysis of energy consumption over longer periods of time. The Shelly 3EM-63T is easy to install and requires no additional space on the DIN rail as the electronics and current transformers are integrated in a compact housing. The device also offers broad compatibility with over 200 smart home systems, making it a flexible solution for modern households.