Shelly Pro 3EM-400 is a three-phase energy meter for DIN rail mounting. Equipped with full gen2 firmware flexibility and LAN connectivity, it offers professional integrators additional options for end customer solutions. It can operate standalone on a local LAN and/or Wi-Fi network or via cloud home automation services via MQTT, HTTP and WebSocket. All incoming connections support TLS. The device reports the cumulative energy as well as the instantaneous voltage, current, active and apparent power per phase in real time. It stores data in non-volatile memory, which can be retrieved at 1-minute intervals for a period of up to 60 days. The device has a real-time clock to maintain the correct time if the connection to an SNTP server is interrupted. Shelly Pro 3EM-400 can be remotely accessed, set up and monitored by the user. The device can also access and communicate with an automation system as long as it is in the same network infrastructure. The device has an integrated web interface that allows you to monitor and control the device and customise its settings. The device does not have a built-in relay. The contactor is controlled via a Shelly Pro add-on, which is connected to the Shelly Pro 3EM-400. Scope of delivery: 3x 400 A current transformers