Prepare to bring the Shelly Pro 3EM-400 to a whole new level of energy monitoring! This energy meter is different from your typical one. Instead, it's a DIN-mountable, Wi-Fi-powered behemoth designed for 3-phase energy monitoring in commercial and residential environments. The Shelly Pro 3EM-400 offers a sophisticated and all-inclusive solution for your energy management needs with simultaneous Wi-Fi, Bluetooth, and LAN connectivity. Connectivity is at its peak, with simultaneous Ethernet and Wi-Fi usage. The Pro 3EM-400 supports MQTT, inbound and outbound WebSocket, UDP, and mTLS, ensuring a versatile and adaptable communication environment. Employing 4-quadrant measurement, the Pro 3EM-400 accurately measures the kinds of active imports and exports of energy with capacitive and inductive loads. With an accuracy class of B and MODBUS support, seamless integration into existing industrial installations is guaranteed. Monitor mono-phase electrical systems with up to 3 points simultaneously, receiving fast notifications and benefiting from a minimum of 60 days' worth of 1-minute records kept for in-depth analysis. Scripting functionalities are enhanced, fully supporting mjS scripting to create additional features and functionalities tailored to your needs. Safety is a priority, featuring a flame retardant shell (V-0) with internal overtemperature, overpower, and overvoltage protection. Enhanced security measures include MQTT and WSS support, TLS, and custom certificates, ensuring secure operations in various use cases. Enjoy hub-free control directly from your smartphone using the Shelly Cloud App, making energy management convenient and accessible.