The Shelly Pro 3EM is a Wi-Fi-enabled, DIN-rail-mountable 3-phase electricity meter with Wi-Fi, Bluetooth, and LAN connectivity. Next-Generation 3-Phase Power Meter The Shelly Pro 3EM is a Wi-Fi-enabled, DIN-rail-mountable 3-phase power meter with Wi-Fi, Bluetooth, and LAN connectivity. With active energy measurement accuracy of 1%, the Shelly Pro 3EM can be used to monitor the consumption of all household appliances, electrical circuits, and office equipment individually. Historical data is stored for up to 60 days, with each phase recorded at one-minute intervals. In addition, the scripting capabilities allow for the execution of complex scenarios and offer advanced monitoring options. 4-Quadrant Measurement Measurement of capacitive and inductive load types for imported and exported active energy. Accuracy Class B (Active Energy) The Shelly Pro 3EM has a measurement accuracy of 1%. MODBUS Support Enables quick and easy deployment in existing industrial facilities. Wi-Fi, LAN, and Bluetooth Connectivity Simultaneous use of Ethernet and Wi-Fi. MQTT, incoming and outgoing WebSocket, UDP, and mTLS support. Power Grid Monitoring Monitors single-phase electrical systems with up to three points simultaneously. Fast notifications and at least 60 days of recorded data storage at 1-minute intervals. Note: Package includes 3x 120A terminals https://elecena.pl/product/30450975/shelly-pro-3em-120a-v2-shelly-pro-3em-v2 2026-06-27 https://elecena.pl/product/30450975/shelly-pro-3em-120a-v2-shelly-pro-3em-v2 2026-07-08 https://elecena.pl/product/30450975/shelly-pro-3em-120a-v2-shelly-pro-3em-v2 2026-08-27 https://elecena.pl/product/30450975/shelly-pro-3em-120a-v2-shelly-pro-3em-v2 2026-10-04