Menu

Somfy Sonesse 40 Zigbee 404S2 with Fast Connector

Somfy / 1245920

Last checked

Amazon links here are plain search links and earn this site no commission. Disclosure

Does the Somfy Sonesse 40 Zigbee 404S2 with Fast Connector work with HomeKit, Alexa, and Google Home?

The Sonesse 40 Zigbee 404S2 with Fast Connector is a wired 120 V AC motor for interior shades, blinds and projection screens, rated 42 dB.

It suits Home Assistant users, with native support through Zigbee. HomeKit, Google Home and Alexa users reach it through an integration (the maker's hub).

At a glance: works withHow this is decided: cited platform facts only
HomeKit
Yes[1]
Proprietary + hub, via integration
Google Home
Yes[1]
Proprietary + hub, via integration
Alexa
Yes[1]
Proprietary + hub, via integration
SmartThings
Unknown
Unknown
Home Assistant
Yes[2]
Zigbee, native

Key facts

Somfy Sonesse 40 Zigbee 404S2 with Fast Connector facts

How facts are sourced: every cell cites its source below
FactValue
StatusCurrent[1]
TypeRoller shade motor[1]
PowerWired, 120 V AC[1]
Key spec42 dB, 95 W in operation[1]
Works withTaHoma switch[1]

Sizes and finishes

These models differ from the Somfy Sonesse 40 Zigbee 404S2 with Fast Connector only by length, color or region, so they share this page. Each is listed with its own details on the line page.

Integration paths

How the Somfy Sonesse 40 Zigbee 404S2 with Fast Connector connects

2 pathsHow facts are sourced: every cell cites its source below
PathRequiresiLocaliFeatures lostPlatformsi
Zigbeeunknownunknownunknown
Proprietary + hubHUBSomfy TaHoma switch[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 Somfy Sonesse 40 Zigbee 404S2 with Fast Connector

1 routeHow facts are sourced: every cell cites its source below
PlatformLeveliIntegrationDetailsEvidenceLimitations
Home AssistantVia Zigbee/Z-Wave[2]zigbee2mqttZigbee
  • Works with Home Assistant: Not certified[2]
Model namedNone stated
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

Somfy Sonesse 40 Zigbee 404S2 with Fast Connector. Smart Home Canon. https://smarthomecanon.com/devices/somfy-sonesse-40-zigbee-404s2-with-fast-connector. Last checked 2026-10-20.

Sources

  1. [1]
    MFRsomfysystems.com / Sonesse 40 Zigbee 404S2 with Fast Connector (1245920) - Somfy Systems
    Accessed Back to text
  2. [2]
    DBzigbee2mqtt.io / Zigbee2MQTT: Somfy 1245920 (Sonesse2 40 Zigbee roller shades)
    Accessed Back to text