# Shelly Plug S MTR Gen3

Shelly Plug S MTR Gen3 is a direct Matter-over-Wi-Fi plug and power meter for Shelly-heavy homes. The safer expectation is Matter for the shared endpoint and Shelly for firmware, diagnostics, and any detailed power data.

Canonical page: https://matterhome.io/devices/shelly-plug-s-mtr-gen3
Markdown page: https://matterhome.io/devices/shelly-plug-s-mtr-gen3.md
Author: Matterhome Editorial Team
Author profile: https://matterhome.io/authors/matterhome-editorial-team
Edited and fact-checked by: JC Martinez
Editor profile: https://matterhome.io/authors/jc-martinez

## Device Facts

- Brand: Shelly
- Model: Plug S MTR Gen3
- Product type: Matter-over-Wi-Fi Smart Plug with Power Monitoring
- Category: Smart plugs
- Connection: Matter over Wi-Fi
- Matter status: CSA lists Shelly Plug S MTR Gen3 as a Matter 1.2 product using Wi-Fi, Bluetooth, certified on 2024-07-15.
- Launch date: 2024-07-15
- Thread border router required: No
- Brand hub required: No
- Typical price range: €15-€40
- Review status: Compatibility guide
- Product image: https://matterhome.io/content-assets/devices/shelly-plug-s-mtr-gen3/product.png
- Product image alt text: Shelly Plug S MTR Gen3 product image
- Product image source: https://cdn.shopify.com/s/files/1/0871/9967/8813/files/Plug-S_Gen3_black_soon-938x938.png?v=1733901851

## Ecosystem Support

- Apple Home: Supported
- Google Home: Supported
- Alexa: Supported
- SmartThings: Supported
- Home Assistant: Limited

## Best For

- Lamps and appliances where a Shelly plug format fits
- Shelly users who want direct Matter sharing
- Homes with reliable Wi-Fi at the outlet

## Skip If

- The regional plug format is wrong for your outlet
- You require portable energy history in every ecosystem
- Your 2.4 GHz Wi-Fi is weak where the plug will sit

## Setup Notes

- Use a reliable 2.4 GHz Wi-Fi location before Matter pairing.
- Keep Shelly available for firmware and detailed device settings.
- Check appliance load and regional plug type before buying.

## Known Limitations

- Matter may expose switching more consistently than detailed energy history.
- Shelly app or web UI may still be needed for firmware, setup, diagnostics, and advanced behavior.
- Local Wi-Fi reliability still determines the normal Matter connection path.

## Pros

- Direct Matter-over-Wi-Fi plug control
- No Thread border router or Shelly hub required
- Power monitoring hardware is part of the device family
- Shelly app remains available for firmware and settings

## Cons

- Energy readings may not appear in every Matter app
- Regional plug formats matter
- Shelly app is still needed for firmware and detailed settings

## Sources

- https://csa-iot.org/csa_product/shelly-plug-s-mtr-gen3/
- https://www.shelly.com/products/shelly-plug-s-gen3-1
- https://cdn.shopify.com/s/files/1/0871/9967/8813/files/Plug-S_Gen3_black_soon-938x938.png?v=1733901851

## Direct Matter without a Shelly hub

Shelly Plug S MTR Gen3 is listed by CSA as a Matter over Wi-Fi device. That makes the Matter path direct: it joins a Matter controller over Wi-Fi and does not need a Thread border router or a Shelly bridge for the Matter endpoint.

## Setup path

For a plug, the physical setup is simple: put it where 2.4 GHz Wi-Fi is reliable, update it in Shelly, then add it to the Matter app you actually use.

Use Shelly's app or web interface for Wi-Fi onboarding, firmware, device settings, calibration, and any device detail that your Matter ecosystem does not expose cleanly.

## What to verify

Matter should cover the common endpoint, but the valuable details can vary. For Shelly meters, plugs, and PM relays, verify wattage, energy totals, and reporting frequency. For flood and motor-control devices, test the exact alert or movement behavior before building routines around it.

## Should you buy it?

Buy Plug S MTR Gen3 when the physical format fits the job and you want a direct Wi-Fi Matter path. Skip it if you need every Shelly app feature to appear identically in Apple Home, Google Home, Alexa, SmartThings, and Home Assistant.