Getting specifications, connection paths, and resources ready.
Model: S4SW-001X8EU
A compact in-wall relay with potential-free contacts and local Wi-Fi control. It requires neutral and supports Matter or a selectable Zigbee profile. Home Assistant can use the local Shelly integration.
Catalog-level details. Controllers, bridges, accounts, and available features depend on the connection route.
Shelly USA (official store). Confirm the exact variant before choosing. Store prices and availability can change; product-information pages are not store offers.
What to know about this device before choosing a connection.
A recommendation is not recorded yet. Compare the requirements below with your home and the capabilities you need.
Compact design and 20 device-firmware schedules are documented. The recorded 8 A limit is for AC output; the separate dry-contact DC output rating is 5 A at 30 V DC and does not establish DC device supply. Neutral is required. The US listing retains exact code S4SW-001X8EU; market attribution does not establish independent safety certification. Exact firmware minima, simultaneous-mode behavior and integration capabilities remain scoped to the existing guides.
Check your ecosystem, then choose a connection method for its requirements and available controls.
A listed ecosystem is a starting point. Connection methods and exposed capabilities must be checked for the exact variant.
Reviewed guide
A documented connection is available. Check its equipment, account, firmware and feature requirements.
Home Assistant via Shelly (local Wi-Fi)No verified evidence yet
Compatibility has not been established for this exact model. This does not mean it is incompatible.
Catalog listing only
Compatibility has not been established for this exact model. This does not mean it is incompatible.
Catalog listing only
Compatibility has not been established for this exact model. This does not mean it is incompatible.
Catalog listing only
Compatibility has not been established for this exact model. This does not mean it is incompatible.
No verified evidence yet
Compatibility has not been established for this exact model. This does not mean it is incompatible.
No verified evidence yet
Compatibility has not been established for this exact model. This does not mean it is incompatible.
Missing documentation does not mean a device is incompatible. Reviewed documentation is not a physical hardware test.
Basic controls on the reviewed connection. Setup, remote access, voice services and firmware updates have separate requirements.
S4SW-001X8EU · US · Documentation reviewed. Check the unit’s hardware and firmware before setup.
Documented controls may have firmware or configuration conditions. Read the guide before relying on a feature.
Open setup guideInstallation & device requirements · Manuals & resources · All connection details
Choose a documented method. Requirements, controls, local/cloud behavior, and evidence stay attached to that route.
Home Assistant · US · S4SW-001X8EU
Documentation reviewed · 10/18/2026. Not tested on physical hardware.
Shelly 1 Mini Gen4
To Home Wi-Fi / LAN
Home Wi-Fi / LAN
To Home Assistant
Home Assistant
Complete the required items before setup. Items marked “Not required” are optional for this route.
Documented
Use the exact model code on this page. US listing identity does not establish independent safety certification.
Derived from documentation
Connect the relay and Home Assistant to a reachable local network; client isolation can prevent discovery and control.
Documented
Have a qualified electrician install the 110–240 V AC relay with live and neutral, using the exact unit’s current manual and applicable load limits. The dry-contact DC output rating of the 1 Mini is not a DC supply rating.
Derived from documentation
Use Home Assistant’s built-in Shelly integration. Keep Wi-Fi/RPC access available; this guide does not commission Matter or Zigbee.
Derived from documentation
A running Home Assistant host is needed for this route; a separate Shelly, Zigbee or Matter hub is unnecessary for direct Wi-Fi/RPC control.
Derived from documentation
Use its local web interface to connect to 2.4 GHz Wi-Fi and verify the device’s IP address.
Documented
Accept the discovered device, or open Settings > Devices & services > Add Integration > Shelly and enter its hostname or IP address.
Derived from documentation
Test the relay with a suitable load and confirm state updates before creating automations.
Derived from documentation
The exact switch:0 component and supported Shelly integration establish a documented local relay-control path.
Not yet verified
Exact Home Assistant entity exposure on this model/firmware has not been verified. Manufacturer metering does not establish another connection mode’s features.
Not yet verified
Exact Home Assistant entity exposure on this model/firmware has not been verified. Manufacturer metering does not establish another connection mode’s features.
Not yet verified
Exact Home Assistant entity exposure on this model/firmware has not been verified. Manufacturer metering does not establish another connection mode’s features.
Derived from documentation
Connect using the local web interface, then add the Shelly integration. Exact minimum firmware and offline update behavior remain unverified.
Documented
The integration communicates directly with the device; ordinary relay control and state updates do not require Shelly cloud.
Not yet verified
Configure Home Assistant remote access separately; this route does not establish a cloud-free remote-access method.
Not yet verified
Confirm the resulting entities and triggers before building Home Assistant automations.
Not yet verified
The exact Home Assistant update path and minimum firmware remain unverified.
Not yet verified
Keep the Wi-Fi/RPC path available. Matter and Zigbee are alternative setup paths; simultaneous feature availability and exact minimum firmware are not established.
Documented
Home Assistant documents support for all four Shelly generations and direct local communication.
Derived from documentation
Electrical installation precedes network setup; use a qualified installer.
Shelly · manufacturer · Checked 2026-10-10
Exact-model device, local Wi-Fi control and installation requirements.
Source location: Device identification, Short description, Specifications and wiring
Shelly · manufacturer · Checked 2026-10-10
Linked exact-device API exposes switch:0; capabilities depend on operating mode.
Source location: Device description and Switch component
Home Assistant · platform · Checked 2026-10-10
Official local integration and setup requirements.
Source location: Device generations, Configuration, generation 2+ RPC, Data updates
Compare the documented support source and effort for each route. Official/community support and local/cloud operation are separate questions.
Home Assistant documents support for all four Shelly generations and direct local communication.
Check status & evidenceElectrical installation precedes network setup; use a qualified installer.
Check status & evidenceSee how it can help your network and which other connection functions it offers. Each answer applies to its documented protocol and operating mode.
✓ Zigbee mesh extender
Helps relay Zigbee traffic for other devices when operating in this mode.
Exact-model evidence has not established this answer.
Shelly explicitly documents a Zigbee range-extender function for this exact model. It relays Zigbee traffic when used on a Zigbee network. The precise Zigbee role label and a separate routing-disable control are not established.
Shelly explicitly documents a Zigbee range-extender function for this exact model. It relays Zigbee traffic when used on a Zigbee network. The precise Zigbee role label and a separate routing-disable control are not established.
Exact-model evidence has not established this answer.
Documentation reviewed. Not tested on physical hardware.
Choose a connection method for its app, account and controller requirements. An app used by one method is not necessarily required for every connection.
Controllers for the reviewed connections are listed below. These requirements do not apply automatically to other setup methods.
Open connection instructions Find manuals and installation diagramsSetup and software downloads have separate requirements from everyday local control. A completely offline setup has not been established by these summaries.
Requirements apply to this setup method.
Connect using the local web interface, then add the Shelly integration. Exact minimum firmware and offline update behavior remain unverified.
Check evidenceA running Home Assistant host is needed for this route; a separate Shelly, Zigbee or Matter hub is unnecessary for direct Wi-Fi/RPC control.
Check evidenceUse Home Assistant’s built-in Shelly integration. Keep Wi-Fi/RPC access available; this guide does not commission Matter or Zigbee.
Check evidenceThis direct local integration communicates with the device without a cloud connection.
Check evidenceDirect Shelly Wi-Fi/RPC communication does not require a Shelly cloud bridge, Zigbee coordinator or Matter controller. The Home Assistant host and reachable Wi-Fi network are still required.
Check evidenceExpand a group to see all recorded attributes. Electrical maxima depend on load type; check operating and installation limits in the exact model documentation. Route-specific feature availability can differ. Missing fields are not a confirmed “No.”
Check the model, region, hardware revision, and document version. Connection-specific sources are linked in each guide.
Shelly 1 Mini Gen4 · S4SW-001X8EU · Archive started 2026-09-26. Individual additions may be newer. These files open from Dwelleno.
Original manufacturer page
Original manufacturer files, including its safety instructions. Diagrams may show different AC and DC configurations; check the exact model and supply type.
Earlier observations checked 10/10/2026. Later observations state their own dates. Certification claims below are attributed to the manufacturer.
The official Shelly US storefront technical section lists this exact model code. This is US-market listing attribution; the EU suffix is retained, and independent US safety certification remains unverified.
Manufacturer sourceHave a qualified electrician install the device using its current manufacturer manual and applicable local requirements. Device supply is 110–240 V AC with live and neutral. The 1 Mini dry-contact output can switch separately rated AC/DC loads; its DC output rating does not mean the device accepts DC power.
Manufacturer sourceDirect local Wi-Fi/web control does not require a separate vendor hub. Zigbee and Matter need their respective hub/controller. These are separate connection paths.
Manufacturer sourceMatter is the default profile; five button presses select Zigbee and start a three-minute inclusion window. Simultaneous Matter/Zigbee capabilities and a minimum firmware version remain unverified.
Manufacturer sourceAdditional exact-model feature check on October 10, 2026: the manufacturer documents compact design, 20 device-firmware schedules and 8 A AC output. Product controls do not establish identical capabilities through Home Assistant, Matter or Zigbee. Existing guides keep their original scope and evidence dates. The separate 5 A / 30 V DC dry-contact output rating does not establish DC device supply.
Manufacturer sourceReviewed documentation, catalog records, and manufacturer observations have different scopes. A source for one capability does not establish every feature.
Connection guides preserve source dates, publishers, review status, and claim-level links. “Documentation reviewed” does not mean tested on physical hardware.
Documentation reviewed Oct 18, 2026 · S4SW-001X8EU · US
Other active devices in this category. Their connection requirements and capabilities may differ.
MINIR4 · In-Wall Relay Modules
ZBMINIL2 · In-Wall Relay Modules
Not required
Direct Shelly Wi-Fi/RPC communication does not require a Shelly cloud bridge, Zigbee coordinator or Matter controller. The Home Assistant host and reachable Wi-Fi network are still required.
Not required
This direct local integration communicates with the device without a cloud connection.
Shelly Plus 1PM, EU/non-UL press photographPhoto: Vibrant Frame / Shelly, via D/P Communications & Media.
SNSW-001P16EU · In-Wall Relay Modules
Compact Wi-Fi switch module with power measurement. Exact model SNSW-001P16EU (Shelly Plus 1PM).
S4SW-001P8EU · In-Wall Relay Modules
Reviewed guides: Home Assistant →
A compact in-wall relay with power measurement and local Wi-Fi control. It requires neutral and supports Matter or a selectable Zigbee profile. Home Assistant readings depend on the connection path and firmware.
Shelly USA (official store)
WAVE1 · In-Wall Relay Modules
