Shelly Single Phase Din Rail Energy Meter Pro

Shelly Pro EM-50

The Shelly Pro EM-50 is a DIN rail mountable dual-channel single-phase energy meter with an integrated switch for contactor control. This professional monitoring device enables detailed tracking of energy consumption for home appliances, electric circuits, and office equipment across two independent measurement channels.

Real-time monitoring provides instantaneous readings of voltage, current, active power, and apparent power for each phase, along with accumulated energy data. The 4-quadrant measurement capability with optical pulse indication accurately tracks energy flow in both directions, essential for installations with solar panels or other generation equipment. Class B accuracy compliance with IEC 62053-21 ensures reliable measurements for billing and analysis purposes.

The integrated switch output enables contactor control for managing larger loads based on consumption data or schedules. Photovoltaic system readiness makes this meter ideal for solar installations requiring net metering functionality. Data storage in non-volatile memory retains up to 60 days of readings in 1-minute intervals. LAN, Wi-Fi, and Bluetooth connectivity provide flexible integration options. Advanced features include scripting, webhooks, MQTT, WebSocket, HTTPS, UDP, TLS, custom certificates, and Modbus TCP protocol. The package includes 2 pieces of 50A current transformers for immediate installation.