Smart Switch Shelly 1L Gen3 Matter (No neutral)

Shelly 1L Gen3 Smart Relay (Matter) – smart light control without a neutral wire

Shelly 1L Gen3 is a unique smart switch that turns any regular wall switch into a smart one – even if there’s no neutral wire. With support for Matter, Zigbee, Wi-Fi, and Bluetooth, it works seamlessly with Apple HomeKit, Google Home, Alexa, and Home Assistant. It’s compact, easy to install, and perfect for both new and existing electrical setups — no rewiring needed.

Main Features

• No neutral wire needed – ideal for older homes. Comes with a Shelly Bypass included.

• Supports Matter, Zigbee, Wi-Fi, Bluetooth – works with all major smart home systems.

• Precise light control – manage lights remotely or with voice commands (Alexa, Google, Siri).

• Automation and schedules – set your lights to follow routines, sunrise/sunset, or motion sensors.

• Compact size – fits easily behind a wall switch, 37 × 42 × 16 mm.

• Safe to use – built-in temperature sensor and OTA firmware updates.

• BLE gateway and Wi-Fi extender – strengthens your network and connects with Shelly BLU sensors.

• Script, MQTT, Webhooks, KNX support – great for both beginners and advanced users.

How It Helps in Everyday Life

• Turn any switch into a smart one, even in homes without a neutral wire.

• Lighting automation – set up a “morning routine” so the lights turn on before your alarm.

• Comfort and safety – combine with a motion sensor so the light turns on automatically.

• Energy saving – easily turn off forgotten lights from your phone.

• No hub required – works directly through the app or your local network.

Who It’s For

• Houses and apartments, especially those without a neutral wire.

• Renters and renovations – ideal when you don’t want to change the wiring.

• Smart home users – who want Matter compatibility without complexity.

• Energy-conscious users – who care about saving electricity and efficiency.

How to Install Shelly 1L Gen3 Smart Relay

1. Turn off the power at the circuit breaker.

2. Connect Shelly 1L Gen3 to the live wire and the load (light).

3. If needed, add the Shelly Bypass to the lighting circuit.

4. Place the device inside the wall box behind the switch.

5. Turn the power back on and use the Shelly app or WebUI for setup.

6. Activate Matter or another protocol if required.