# SONOFF S31 Lite zb

*SONOFF / S31 LiteZB*

> The S31 Lite zb needs a Zigbee 3.0 hub or coordinator. It is a Zigbee plug for US sockets, rated 15 A / 1800 W, and it works with Alexa Zigbee hubs and SmartThings. It suits Home Assistant users, with native support through Zigbee. HomeKit users reach it through an integration (a Matter bridge). Alexa and SmartThings users reach it through an integration (Zigbee).

- Canonical page: https://smarthomecanon.com/devices/sonoff-s31-lite-zb
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [SONOFF](https://smarthomecanon.com/brands/sonoff) |
| Category | Plug |
| Model numbers | S31 LiteZB |
| Status | Current[^1] |
| Radio | Zigbee[^1] |
| Max load | 15 A, 1800 W[^1] |
| Energy monitoring | unknown |
| Zigbee router | unknown |

## Integration paths

**How the SONOFF S31 Lite zb connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Matter via Bridge](https://smarthomecanon.com/protocols/matter-bridged) | A SONOFF Matter bridge, such as the Zigbee Bridge Ultra[^2] | unknown | unknown |
| [Zigbee](https://smarthomecanon.com/protocols/zigbee) | A Zigbee 3.0 hub or coordinator[^1] | unknown | unknown |

**Platform support for the SONOFF S31 Lite zb**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Matter via Bridge | [HomeKit](https://smarthomecanon.com/platforms/homekit) | Via integration[^2] |  |
| Zigbee | [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) | Via integration[^1] |  |
| Zigbee | [Samsung SmartThings](https://smarthomecanon.com/platforms/smartthings) | Via integration[^1] |  |
| Zigbee | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | withheld | zigbee2mqtt |

## Related pages

- [SONOFF smart plugs](https://smarthomecanon.com/lines/sonoff-plugs) (line)
- [SONOFF](https://smarthomecanon.com/brands/sonoff) (brand)
- [Matter through a bridge](https://smarthomecanon.com/protocols/matter-bridged) (protocol)
- [Zigbee](https://smarthomecanon.com/protocols/zigbee) (protocol)
- [HomeKit](https://smarthomecanon.com/platforms/homekit) (platform)
- [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) (platform)
- [Samsung SmartThings](https://smarthomecanon.com/platforms/smartthings) (platform)
- [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) (platform)

## Sources

[^1]: SONOFF store: SONOFF S31 Lite zb Smart Plug US Type Zigbee Version. https://sonoff.tech/products/sonoff-s31-lite-zb-smart-plug-us-type-zigbee-version (manufacturer, checked 2026-10-10)
[^2]: SONOFF Zigbee Bridge Ultra. https://sonoff.tech/products/sonoff-zigbee-bridge-ultra (manufacturer, checked 2026-10-13)