Shelly Pro 3EM-3CT63

Shelly Pro 3EM-3CT63 – Professional Three-Phase Energy Meter with Advanced Connectivity

The Shelly Pro 3EM-3CT63 is a DIN rail mounted three-phase energy meter , designed to offer accuracy, safety and total control in both residential and commercial and industrial electrical installations.

Thanks to its second-generation firmware and LAN, Wi-Fi and Bluetooth connectivity, it allows real-time monitoring of electricity consumption and its integration into multiple automation systems, without the need for additional hubs.

Ideal for professional projects and environments requiring continuous monitoring, energy management and maximum reliability , the Shelly Pro 3EM-3CT63 is a robust and future-proof solution.

Main features:

• Bidirectional measurement : energy consumed and produced, by phase and in real time

• 4 measurement quadrants (active and reactive energy) with high precision (Class B, IEC 62053-21)

• 3 x 63A current transformers (CTs) included , for direct, contactless installation

• Internal storage of up to 60 days of data at 1-minute intervals

• Real-time clock for reliable records even without an internet connection

• Advanced protections : phase sequence detection, minimum load threshold, overconsumption warning

• Full connectivity : Wi-Fi, LAN, Bluetooth + integration via Modbus, MQTT, RPC, HTTP and WebSocket

• Ready for photovoltaics : controls production and consumption in renewable energy installations

• Easy integration with Shelly Cloud, voice assistants (Alexa, Google Assistant), Home Assistant, and home automation servers

Use cases:

• Commercial and residential buildings : control and optimization of electricity consumption

• Industrial facilities and data centers : critical real-time monitoring

• Renewable energies : monitoring solar or wind power production phase by phase

• Substations and complex electrical systems : greater reliability and safety

• Energy management in Smart Buildings (BMS) : accurate data for efficiency strategies