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SONOFF POWR3

SONOFF / POWR3

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Does the SONOFF POWR3 work with HomeKit, Alexa, and Google Home?

The POWR3 is a 25 A Wi-Fi switch with power monitoring for loads such as water heaters and HVAC.

It runs from the eWeLink app, takes voice control from Alexa, Google Assistant, SmartThings and Alice, and reaches Matter platforms through an eWeLink CUBE OS bridge. It suits HomeKit, Google Home, Alexa, SmartThings and Home Assistant users through an integration (a Matter bridge).

At a glance: works withHow this is decided: cited platform facts only
HomeKit
Yes[1]
Matter via Bridge, via integration
Google Home
Yes[1]
Matter via Bridge, via integration; 1 other path
Alexa
Yes[1]
Matter via Bridge, via integration; 1 other path
SmartThings
Yes[1]
Matter via Bridge, via integration; 1 other path
Home Assistant
Yes[1–3]
Matter via Bridge, via integration; 1 other path

Key facts

SONOFF POWR3 facts

How facts are sourced: every cell cites its source below
FactValue
StatusCurrent[1]
List price$34.90[1] as of
TypePower monitoring switch[1]
RadioWi-Fi 2.4 GHz[1]
Channels1[1]
Rated load25 A / 5500 W[1]
Energy monitoringYes[1]

Integration paths

How the SONOFF POWR3 connects

2 pathsHow facts are sourced: every cell cites its source below
PathRequiresiLocaliFeatures lostPlatformsi
Matter via BridgeeWeLink CUBE OS Matter bridge[1]Yes[1]unknown
Wi-Fi cloudeWeLink app[1]unknownunknown
About these columns
Requires
Hardware the path needs beyond the device and a controller.
Local
Yes when control on this path keeps working with the internet down.
Platforms
The platforms that work with the device on this path: Native (out of the box), Via integration (needs an add-on) or Not supported.

Home Assistant and Homey

Ways to add the SONOFF POWR3

1 routeHow facts are sourced: every cell cites its source below
PlatformLeveliIntegrationDetailsEvidenceLimitations
Home AssistantCommunity[2][3]AlexxIT/SonoffLANWi-Fi cloud
  • Quality: Custom[2][3]
  • Works with Home Assistant: Not certified[2][3]
Model namedLimited: Power, current and voltage updates over the cloud connection stopped in 2026.[2][3]
About these columns
Level
How the device gets into the platform on this route. The headline is the best route: local before cloud, direct before bridged, core before community. The methodology page lists every level.

Cite this page

SONOFF POWR3. Smart Home Canon. https://smarthomecanon.com/devices/sonoff-powr3. Last checked 2026-10-20.

Sources

  1. [1]
    MFRsonoff.tech / SONOFF store: SONOFF POWR3 High Power Smart Switch
    Accessed Back to text
  2. [2]
    DBgithub.com / GitHub: AlexxIT/SonoffLAN (HACS default list)
    Accessed Back to text
  3. [3]
    DBgithub.com / SonoffLAN: Devices
    Accessed Back to text