Next generation 3-phase energy meter. The Shelly Pro 3EM is a WiFi-powered, DIN-mountable 3-phase energy meter with WiFi, Bluetooth and LAN connectivity. With 1% active energy metering accuracy, the Shelly Pro 3EM can be used to individually monitor the consumption of all household appliances, circuits and office equipment. Historical data is stored for up to 60 days, with each phase having a one-minute resolution. Additionally, scripting functionalities allow complex scenarios to be run and provide advanced monitoring capabilities. Can measure up to 120A for each phase and neutral 4-quadrant measurement with multiple connection types. Class B accuracy for active energy (compliance with IEC 62053-21 based on manufacturer testing). Suitable for photovoltaics. Detection of phase sequence errors (option). Optical pulse display of energy consumption. Measurement accuracy to 1%. Memory that can be accessed in 1-minute intervals over a period of up to 60 days. Package includes 3 pieces of 120A current transformers.