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Shelly Pro 3EM Energy Meter

Shelly Pro 3EM Energy Meter

Shelly Pro Series

Key Hardware & Protocol Features

  • 4-quadrant 3-phase energy measurement
  • DIN rail mounting format
  • Wi-Fi, LAN, and Bluetooth connectivity
  • Solar net metering and surge protection alerts

Shelly Corporate DNA & Headquarters

Full Brand Portfolio (4.6/5) →
Parent Company Shelly Group AD
Headquarters Location Bulgaria
Corporate Structure Public (BSE: SLYG / XETRA: SLYG)

Ecosystem Strengths

Praised for robust local-first control, open APIs (MQTT, REST, WebSocket), reliable retrofit relays, active developer support, and seamless Matter/Home Assistant integration without requiring cloud lock-in.

Considerations

Installation often requires direct electrical wiring behind switch boxes, app user interface can feel complex to non-technical users, and compact enclosures can experience heat buildup under high loads.