Shelly Per 3EM-400

for end-user solutions. It can operate standalone on a local LAN and/or Wi-Fi network, or it can also operate via cloud home automation services using MQTT, HTTP and WebSocket. All incoming connections support TLS. The unit reports cumulative energy as well as instantaneous voltage, current, active and apparent power per phase in real time. It stores data in non-volatile memory that can be retrieved at 1-minute intervals for a period of up to 60 days. The unit has a real-time clock to maintain the correct time if the connection to an SNTP server is lost. Shelly Pro 3EM-400 can be accessed, set up and monitored remotely by the user. The unit can also access and communicate with an automation system if it is on the same network infrastructure. The unit has a built-in web interface that allows you to monitor and control the unit and adjust its settings. The unit does not have a built-in relay. Contactor control is via a Shelly Pro add-on connected to the Shelly Pro 3EM-400.