Shelly 2L Gen3 – 2-Channel Smart Switch No Neutral

Shelly 2L Gen3 – 2-Channel Smart Switch Without Neutral Wire: Smart Control

Shelly 2L Gen3 allows controlling 2 lighting channels without a neutral wire. Compact, Wi-Fi, compatible with Alexa, Google Assistant, and home automation.

The Shelly 2L Gen3 is a compact, two-channel smart switch designed to offer precise lighting control in electrical installations without a neutral wire. Ideal for modernizing existing homes, it allows converting any conventional switch into a smart one without the need for complex renovations.

Thanks to the included Shelly Bypass, channel 1 controls even low-power LED lighting without requiring a minimum load, while channel 2 supports up to 700 W directly, extending compatibility with different types of loads, such as incandescent bulbs, LEDs, fluorescent lights, and fans.

This device connects to Wi-Fi networks without the need for additional hubs, allowing remote control from anywhere via the Shelly Smart Control app. It is also compatible with voice assistants like Amazon Alexa and Google Assistant, and integrates easily with home automation platforms that support MQTT, HTTPs, and WebSockets.

Key Features

• 2-channel control:

  • Channel 1: up to 200 W with Shelly Bypass (LED)

  • Channel 2: up to 700 W without Bypass

• No neutral wire required

• Overheating protection: internal temperature sensor

• Remote and local control: from the app or home automation platform

• Voice and automation compatibility: Alexa, Google Assistant, Home Assistant

• OTA updates: new features and security

• Built-in Wi-Fi repeater and Bluetooth gateway

• Matter-ready: future integration via firmware

• Compact design: ideal for mounting behind switches or in electrical boxes

Technical Specifications

• Inputs: 2 inputs for conventional switches (S1 and S2)

• Outputs: 2 relays (O1 and O2) and signal output (Sx)

• Power supply: 220-240 V AC, 50 Hz

• Consumption: < 1.2 W

• Dimensions: 37 x 42 x 16 mm

• Weight: 28 g

• Material: Cyan plastic

Recommended Applications

• Single-family homes and apartments

• Hotels and residential buildings

• Offices and small businesses

• Municipal or educational facilities

The Shelly 2L Gen3 is the perfect solution to modernize your lighting with smart technology, offering security, versatility, and advanced control without the need for a neutral wire or complex renovations.