# Shelly Outdoor Plug S Gen3

*Shelly / S3PL-20112EU*

> The Shelly Outdoor Plug S Gen3 is a Schuko smart plug that is weather-protected (IP44). It measures power and supports Matter. It suits Google Home, Alexa and SmartThings users through an integration (the maker's cloud). Home Assistant users reach it through an integration (local Wi-Fi control).

- Canonical page: https://smarthomecanon.com/devices/shelly-outdoor-plug-s-gen3
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [Shelly](https://smarthomecanon.com/brands/shelly) |
| Category | Plug |
| Model numbers | S3PL-20112EU |
| Status | Current[^1][^2] |
| Generation | Gen3[^3] |
| Model code | S3PL-20112EU[^4] |
| Socket | Type F (Schuko) and Type E sockets[^4] |
| Max load | 12 A, 2500 W resistive at 230 V~[^4] |
| Power measurement | Voltage, current, power and energy[^4] |
| Radio | Wi-Fi, Bluetooth 4.2[^4] |
| Matter | withheld |
| Local API | HTTP API, MQTT and webhooks[^4][^5] |

## Integration paths

**How the Shelly Outdoor Plug S Gen3 connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Matter / Wi-Fi](https://smarthomecanon.com/protocols/matter-wifi) | Matter controller[^4] | unknown | unknown |
| [Wi-Fi local](https://smarthomecanon.com/protocols/wifi-local) | withheld | withheld | unknown |
| [Wi-Fi cloud](https://smarthomecanon.com/protocols/wifi-cloud) | Vendor cloud account[^4] | No[^4] | unknown |

**Platform support for the Shelly Outdoor Plug S Gen3**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Wi-Fi local | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | withheld | Shelly |
| Wi-Fi local | [Homey](https://smarthomecanon.com/platforms/homey) | withheld | cloud.shelly |
| Wi-Fi cloud | [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) | Via integration[^4] |  |
| Wi-Fi cloud | [Google Home](https://smarthomecanon.com/platforms/google-home) | Via integration[^4] |  |
| Wi-Fi cloud | [Samsung SmartThings](https://smarthomecanon.com/platforms/smartthings) | Via integration[^4] |  |

## Related pages

- [Shelly plugs](https://smarthomecanon.com/lines/shelly-plugs) (line)
- [Shelly](https://smarthomecanon.com/brands/shelly) (brand)
- [Matter over Wi-Fi](https://smarthomecanon.com/protocols/matter-wifi) (protocol)
- [Wi-Fi with local control](https://smarthomecanon.com/protocols/wifi-local) (protocol)
- [Wi-Fi through a cloud service](https://smarthomecanon.com/protocols/wifi-cloud) (protocol)
- [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) (platform)
- [Homey](https://smarthomecanon.com/platforms/homey) (platform)
- [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) (platform)
- [Google Home](https://smarthomecanon.com/platforms/google-home) (platform)
- [Samsung SmartThings](https://smarthomecanon.com/platforms/smartthings) (platform)

## Sources

[^1]: Shelly Outdoor Plug S Gen3 - Shelly Europe shop. https://www.shelly.com/products/shelly-outdoor-plug-s-gen3 (manufacturer, checked 2026-10-09)
[^2]: Shelly Europe shop catalog (Shopify product feed, pages 1-3). https://www.shelly.com/products.json?limit=250&page=1 (manufacturer, checked 2026-10-09)
[^3]: Shelly Gen3 devices - Shelly Knowledge Base. https://kb.shelly.cloud/knowledge-base/shelly-gen3-devices (manufacturer, checked 2026-10-09)
[^4]: Shelly Outdoor Plug S Gen3 - Shelly Knowledge Base. https://kb.shelly.cloud/knowledge-base/outdoor-plug-s-gen3 (manufacturer, checked 2026-10-09)
[^5]: Shelly Technical Documentation. https://shelly-api-docs.shelly.cloud/ (manufacturer, checked 2026-10-09)