Description
Aqara Light Switch H2 EU – Smart wall switch with advanced connectivity
Note: This product uses the Zigbee and Thread protocols and requires a compatible hub to connect to the network and be controlled from the app: for Zigbee an Aqara hub (e.g. Aqara Hub / Aqara Hub E1 / Aqara Hub M2 / Aqara Hub M3), for Matter over Thread a Thread Border Router and a Matter Controller. It does not work standalone over WiFi.
Aqara Light Switch H2 EU is a smart switch compatible with the Matter over Thread and Zigbee protocols, allowing lights and other devices to be controlled with extended flexibility and compatibility. It fits standard 55 mm frames, and its design allows installation both with a neutral wire and without a neutral wire, giving you more freedom when installing.
Two Relays, Four Buttons
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The upper buttons control the electrical circuits (the relays)
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The lower buttons work wirelessly for scenes, automations or controlling other devices
Highlights:
Zigbee & Thread compatibility
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Supports Matter over Thread for integration into third-party ecosystems (Apple HomeKit, Google Home, Alexa etc.)
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Supports Zigbee for access to all advanced Aqara features (MARS-Tech, LED settings, local automations etc.)
Compatible with installations with and without a neutral wire
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For homes without neutral: quick, hassle-free installation
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For homes with neutral: energy monitoring, overload and overheating protection
Energy monitoring
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In installations with neutral: detailed daily, weekly and monthly reports
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In installations without neutral: manual entry of values for a basic estimate
Compatible with 55 mm frames
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Fits standard modular systems (e.g. Gira System 55, Merten M etc.)
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Simple installation in European wall boxes without special adapters
Overload and overheating protection
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Automatically disconnects the power in case of danger to prevent accidents and damage to devices
Wireless switch mode
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The lower buttons can be configured for quick control (single press) or advanced control (double, long press) for custom scenes
Note:
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An Aqara hub is required for full operation and integration with the Aqara app
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Matter integration requires a Thread Border Router and a Matter Controller
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Functions such as energy monitoring and protections are available only with a neutral wire
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Wireless mode and the functions exposed in third-party apps may vary depending on platform compatibility
Practical use cases
- Control one or two independent lighting circuits from a single wall point.
- Retrofit an installation without a neutral wire, while keeping the bulbs working normally.
- Schedule an automatic timetable for each controlled lighting channel.
Technical specifications:
| Model | Light Switch H2 EU (4 buttons, 2 channels), WS-K08D |
| Protocol | Matter over Thread + Zigbee, BLE |
| Number of buttons | 4 |
| Number of channels | 2 (2 relays) |
| Neutral wire | Optional (extra functions with neutral: overload/overheating protection, energy monitoring) |
| Maximum supported power | max. 8A resistive load; incandescent lamp: 1600W (220V); LED/fluorescent/energy-saving: 300W |
| Frame compatibility | Standard 55mm frames (Gira, Merten, Busch, Schneider) |
| Technology | MARS-Tech for a permanently stable connection |
| Button | Capacitive touch |
| LED indicator | Red-Blue |
| Operating temperature | 0°C ~ 40°C |
| Humidity | 0 – 95% RH |
It is the right choice for upgrading your lighting with independent control over several channels.
