Description
DIN‑rail mounted 3‑channel smart relay for panel installations. Shelly Pro 3 combines hard‑wired LAN and 2.4 GHz Wi‑Fi with Bluetooth provisioning for reliable, local control. Each channel is independently switchable, exposed via a built‑in web UI, and controllable through Shelly’s local APIs, CoIoT/RPC, MQTT, or optional Shelly Cloud. No proprietary hub is required.
Highlights
- Three independent relay outputs for lighting and general power circuits
- DIN‑rail form factor for electrical panels (professional installation recommended)
- LAN + Wi‑Fi connectivity; Bluetooth for easy onboarding
- Local web interface, schedules, and scenes; works fully offline
- Native Home Assistant support via the official Shelly integration; MQTT optional
Why it fits Home Assistant
Home Assistant discovers Shelly Pro 3 locally on your network and creates entities for each relay channel. You can also enable MQTT on the device and integrate it through the HA MQTT integration for a fully local, cloud‑free setup.
Works with Home Assistant
Add via Settings > Devices & Services > Add Integration > Shelly. Ensure the device and Home Assistant are on the same LAN/subnet so it can be discovered. For a cloud‑free setup, keep Shelly Cloud disabled and use the native Shelly integration or enable MQTT on the device and configure the Home Assistant MQTT integration. Power/relay wiring should be installed by a qualified electrician.
Connection Path
Hubs
This device connects directly over Wi-Fi and does not require a hub.
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