The Shelly 3EM-63W Gen3 (Wire 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 63 A 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. In addition, the Shelly 3EM-63W stores energy consumption data at hourly intervals for up to five years, enabling comprehensive analysis of energy consumption. The compact design integrates electronics and current transformer in one unit, minimising the space required on the DIN rail. Easy installation and advanced connectivity options make this device an ideal choice for modern smart home applications.