Shelly PRO 3EM-120A Профессиональный трехфазный счетчик электроэнергии нового поколения с контакторным управлением - Sonoff, Sma

The Shelly Pro 3EM 120A (model SPEM-003CEBEU120) is a professional three-phase energy meter designed for DIN rail mounting. It provides accurate measurement of voltage, current, power, and energy for each phase with ±1% accuracy. The device supports Wi-Fi (802.11 b/g/n) and Bluetooth 4.2 for local and remote monitoring via the Shelly app, MQTT, HTTP, or WebSocket. It stores up to 60 days of data with 1-minute resolution and offers advanced scripting capabilities.

• Three-phase energy metering with 1% accuracy for voltage, current, and power per phase
• 120A rated current via external current transformers (CTs included)
• Wi-Fi and Bluetooth connectivity for easy integration with smart home systems
• Data storage for 60 days with 1-minute resolution
• DIN rail mounting – compact 1-module design (94 x 19 x 69 mm)
• Compatible with Shelly app and third-party platforms via open protocols

Ideal for monitoring energy consumption in residential and commercial three-phase installations. Requires external CTs (120A).