Shelly Pro EM-50 Single Phase Energy Meter 50A

The Shelly Pro EM-50 is a professional DIN rail mountable two-channel, single-phase energy meter designed for precise power monitoring and control. It features an integrated relay with dry contacts, making it an ideal choice for contactor control in larger load setups.

This energy meter provides comprehensive real-time data, reporting accumulated energy alongside instantaneous voltage, current, active power, and apparent power per phase. With two independent measurement channels on the same phase and four-quadrant measurement complete with optical pulse indication, you can easily track energy usage with high precision. It meets Accuracy Class B (IEC 62053-21) standards and is fully photovoltaic ready.

Equipped with LAN, WiFi, and Bluetooth connectivity, the Pro EM-50 ensures secure and reliable communication. It requires no hub for operation, allowing easy control via the Shelly Smart Control app, popular platforms, and voice assistants like Alexa and Home Assistant. For advanced users, it supports scripting, web hooks, MQTT, WebSocket, HTTPS, UDP, TLS, custom certificates, and Modbus TCP protocol.

The compact device measures 43 mm in height, 33 mm in width, and 15 mm in depth. It securely stores data in non-volatile memory, retrievable for up to 60 days in 1-minute intervals, and comes complete with two 50A current transformers for straightforward installation.