Aqara H2 EU Smart Light Switch

Compatible with standard 55mm frames from major European brands such as Gira, Merten, Busch, and Schneider, it integrates into existing panels without custom adaptation. Available in 2-button 1-channel and 4-button 2-channel versions, it accepts wiring with or without a neutral wire, making the Aqara H2 EU smart light switch a suitable solution for the vast majority of electrical installations in Europe without modifying existing conduits. An Aqara hub is required to access all functionalities.

 

MARS Technology, Advanced Protection, and Consumption Monitoring

MARS (Multi-load-type Adaptable and Reliable Switching) technology keeps smart bulbs online even when a button is pressed, preventing connectivity losses that disrupt automations. The H2 EU automatically protects the installation against overheating and overloads by cutting the circuit if safety thresholds are exceeded. Energy consumption monitoring is available for configurations with a neutral wire, displaying the consumption of wired circuits directly in the Aqara Home application.

 

Thread, Zigbee, and Matter for the Aqara H2 EU Smart Light Switch

Its dual Thread (Matter) and Zigbee 3.0 connectivity allows it to natively join Apple Home, Google Home, Alexa, SmartThings, Homey, and Home Assistant without complex reconfiguration. Thread ensures low latency and local operation, while Zigbee guarantees backward compatibility with existing Aqara hubs, making the Aqara H2 EU smart light switch one of the most scalable options in the catalog for multi-protocol installations.

 

Wireless Modes, Scene Trigger Conversion, and Dimensional Compatibility

The wireless switching mode allows buttons to be converted into smart home scene triggers without modifying existing wiring, for personalized automations adapted to household routines. Powered by 200-240V AC with a maximum resistive load of 8A, the H2 EU covers common lighting uses with a minimum power of 5W without neutral and unlimited with neutral. Its dimensions of 86 × 86 × 45 mm correspond to standard European flush-mounted boxes.

 

FAQ

Is a neutral wire mandatory to install the H2 EU?

No, the H2 EU is designed as a 2-in-1 version and accepts both wiring without a neutral wire and with a neutral wire. The minimum power is 5W without neutral, and energy consumption monitoring is only available in the configuration with neutral.

Is the H2 EU compatible with light dimmers?

No, the H2 EU does not have a dimmer function. It is designed for conventional on/off switching of lighting circuits.

Can Thread and Zigbee be used simultaneously on the H2 EU?

The H2 EU supports both protocols but operates on one or the other depending on the configuration chosen during installation. The choice of protocol depends on your smart home ecosystem and the hub used.

Is the Aqara H2 EU compatible with Home Assistant?

Yes. The H2 EU can be integrated into Home Assistant via Matter over Thread or via Zigbee, depending on the smart home architecture used.

 

Specifications

Specification	Technical Details
Brand	Aqara
Product Name	Smart Light Switch H2 EU
Wireless Protocols	Zigbee, Thread, Bluetooth (for pairing)
Power Supply	200-240V AC, 50/60 Hz — With or Without Neutral Wire compatible
Maximum Load	Up to 8A max (Resistive load, micro-gap )
Minimum Load Requirement	No-Neutral: 5W | With Neutral: No minimum limit
Ecosystem Compatibility	Apple Home, Amazon Alexa, Google Home, Samsung SmartThings, Homey
Advanced Integration	Native Matter support (via Thread) and Home Assistant ready
Dimensions	86 × 86 × 45 mm (Fits standard European wall boxes)
Operating Environment	Temperature: 0°C to 40°C | Humidity: 0 to 95% RH (non-condensing)
Package Contents (1-Channel)	2 Buttons, 1 Channel Version: 1× Light Switch H2 EU, 1× User Manual, 1× Screw Kit
Package Contents (2-Channel)	4 Buttons, 2 Channels Version: 1× Light Switch H2 EU, 1× User Manual, 1× Screw Kit