Shelly 1 Gen4 (EU): what it works with
Shelly · model 1 Gen4 (S4SW-001X16EU) · For Europe
- Matter Yes, over Wi-Fi
- Apple Home Via Matter
- Google Home Via Matter
- Amazon Alexa Via Matter
- SmartThings Via Matter
- Home Assistant Yes
Behind a switch or socket, the Shelly 1 Gen4 is a 16 A single-relay module with a potential-free output. It needs a neutral wire, has no power metering and no dimming. The default firmware is Matter over Wi-Fi, so Apple Home, Google Home, Alexa and SmartThings can add it without a hub.
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Ecosystem compatibility
| Platform | Works? | Details |
|---|---|---|
| Matter | Yes, over Wi-Fi | CSA lists Shelly 1 Gen4 (CSA250D5MAT45095-24, Matter 1.3, firmware 1.3.0-s2, Wi-Fi and Bluetooth). The listing's description text names the 1PM, a copy error. Shelly's page also says it is Matter-certified.[1],[3] Other Matter smart switches |
| Apple Home | Via Matter | Through Matter in the default firmware; Shelly's page says it works with Apple Home through Matter. Needs an Apple home hub for remote use and automations.[1],[3] |
| Google Home | Via Matter | Through Matter. Shelly's page also says it integrates with Google, without saying how, so only Matter is claimed.[1],[3] |
| Amazon Alexa | Via Matter | Through Matter. Shelly's page names Alexa without saying how, its spec table lists no Alexa capabilities and Shelly's Alexa guide doesn't name this model, so only Matter is claimed.[1],[3] |
| SmartThings | Via Matter | Through Matter. Shelly's pages also name SmartThings; the route is not stated.[1],[3] |
| Home Assistant | Yes | Official Shelly integration with local push, covering all Shelly generations. It can also be added through Matter.[4] |
“Via Matter” means you add it with that platform's Matter controller instead of a brand skill or app. “Unconfirmed” means we couldn't find an official source either way. How we verify.
Specs that matter for setup
- Radio: Wi-Fi, Bluetooth and Zigbee. Matter over Wi-Fi is the default profile; five button presses switch it to the Zigbee profile.
- Hub: Wi-Fi device that pairs through Matter or the Shelly app. Zigbee mode needs a Zigbee coordinator, but the default does not.
- Local control: Shelly lists an embedded web interface, MQTT and scripting, standalone on a local Wi-Fi network; Home Assistant's integration uses local push.
- Form: 37 x 42 x 16 mm relay with a potential-free output that sits behind an existing switch or socket.
- Dimmer: On/off relay, 16 A at 240 V AC; no dimming and no power metering listed.
- Needs neutral wire: Shelly's spec lists 'Neutral not needed: No'; the supply uses separate N and L terminals.
- Gangs / channels: Single potential-free relay output with one switch input.
Before you buy
- Needs a neutral wire at the box; Shelly's spec lists neutral as required.
- No power metering is listed for this model.
- Zigbee is an alternative profile you switch to, and it needs a Zigbee coordinator; Matter over Wi-Fi is the default.
Quick answers
- Does the Shelly 1 Gen4 (EU) work with Apple Home?
- Yes, through Matter: add it with Apple Home's Matter pairing. Through Matter in the default firmware; Shelly's page says it works with Apple Home through Matter. Needs an Apple home hub for remote use and automations. More smart switches for Apple Home
- Does the Shelly 1 Gen4 (EU) work with Google Home?
- Yes, through Matter: add it with Google Home's Matter pairing. Through Matter. Shelly's page also says it integrates with Google, without saying how, so only Matter is claimed. More smart switches for Google Home
- Does the Shelly 1 Gen4 (EU) work with Amazon Alexa?
- Yes, through Matter: add it with Amazon Alexa's Matter pairing. Through Matter. Shelly's page names Alexa without saying how, its spec table lists no Alexa capabilities and Shelly's Alexa guide doesn't name this model, so only Matter is claimed. More smart switches for Amazon Alexa
- Does the Shelly 1 Gen4 (EU) work with SmartThings?
- Yes, through Matter: add it with SmartThings' Matter pairing. Through Matter. Shelly's pages also name SmartThings; the route is not stated. More smart switches for SmartThings
- Does the Shelly 1 Gen4 (EU) work with Home Assistant?
- Yes. The Shelly 1 Gen4 (EU) works with Home Assistant directly. Official Shelly integration with local push, covering all Shelly generations. It can also be added through Matter. More smart switches for Home Assistant
Sources
- Shelly 1 Gen4 — Shelly Group manufacturer · accessed Oct 22, 2026
- Shelly 1 Gen4 — Shelly Knowledge Base manufacturer · accessed Oct 22, 2026
- Shelly 1 Gen4 - CSA-IOT — Connectivity Standards Alliance certification · accessed Oct 22, 2026
- Shelly - Home Assistant — Home Assistant ecosystem · accessed Oct 22, 2026
Official product page: www.shelly.com