Shelly EM Gen3
A compact retrofit monitor for single-phase homes that want real-time circuit visibility and stronger local-integration options than many app-only consumer monitors.
Overview
Shelly EM Gen3 is aimed at homeowners who want to watch one or two circuits in real time, automate loads around solar surplus, and keep an open path into Home Assistant or local dashboards.
Key Specs
- Single-phase monitor with two measurement channels
- Supports current transformers for retrofit installs
- Works with Shelly app plus local networking
- Useful for solar, EV charger, or heat-pump sub-circuit monitoring
- MQTT, HTTP, WebSocket, and RPC support for automation users
- Compact form factor for enclosure or cabinet installs
Why Homeowners Consider It
It is one of the more commercially visible retrofit monitors for homeowners who want easier installation than a classic DIN-rail Modbus meter while still keeping local-control options.
Monitoring And Integration
Wi-Fi / Bluetooth / MQTT / HTTP / WebSocket / RPC