# Shelly i4 Gen4

*Shelly / S4SN-0A24X*

> The Shelly i4 Gen4 reads four wall-switch inputs and triggers scenes or other devices. It is mains powered, with Matter by default and Zigbee as an alternate profile. It suits Home Assistant users, with native support through Zigbee. Google Home, Alexa and SmartThings users reach it through an integration (the maker's cloud).

- Canonical page: https://smarthomecanon.com/devices/shelly-i4-gen4
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [Shelly](https://smarthomecanon.com/brands/shelly) |
| Category | Button |
| Model numbers | S4SN-0A24X |
| Status | Current[^1][^2] |
| Generation | Gen4[^3] |
| Model code | S4SN-0A24X[^4] |
| Inputs | Four switch inputs[^4] |
| Power | 110-240 V~[^4] |
| Radio | Wi-Fi 6, Bluetooth 5, Zigbee[^4] |
| Matter | Built in (default). Zigbee is the alternate profile.[^4] |
| Local API | HTTP API, MQTT and webhooks[^4][^5] |

## Integration paths

**How the Shelly i4 Gen4 connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Matter / Wi-Fi](https://smarthomecanon.com/protocols/matter-wifi) | Matter controller[^4] | unknown | unknown |
| [Zigbee](https://smarthomecanon.com/protocols/zigbee) | Zigbee coordinator[^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 i4 Gen4**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Zigbee | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | withheld | zigbee2mqtt |
| 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.control |
| 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 inputs and controllers](https://smarthomecanon.com/lines/shelly-inputs-and-controllers) (line)
- [Shelly](https://smarthomecanon.com/brands/shelly) (brand)
- [Matter over Wi-Fi](https://smarthomecanon.com/protocols/matter-wifi) (protocol)
- [Zigbee](https://smarthomecanon.com/protocols/zigbee) (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 i4 Gen4 - Shelly Europe shop. https://www.shelly.com/products/shelly-i4-gen4 (manufacturer, checked 2026-10-13)
[^2]: Shelly Europe shop catalog (Shopify product feed, pages 1-4). https://www.shelly.com/products.json?limit=250&page=1 (manufacturer, checked 2026-10-13)
[^3]: Shelly Gen4 devices - Shelly Knowledge Base. https://kb.shelly.cloud/knowledge-base/shelly-gen4-devices (manufacturer, checked 2026-10-13)
[^4]: Shelly i4 Gen4 - Shelly Knowledge Base. https://kb.shelly.cloud/knowledge-base/shelly-i4-gen4 (manufacturer, checked 2026-10-13)
[^5]: Shelly Technical Documentation. https://shelly-api-docs.shelly.cloud/ (manufacturer, checked 2026-10-13)