Shelly 1L Gen3

The Shelly 1L Gen3 is a compact smart relay for no neutral wire installations, making it the ideal solution for upgrading existing light switches without rewiring your home. Powered by Shelly's advanced Gen3 platform, it features Wi-Fi, Bluetooth, local scripting, and seamless smart home integration, allowing you to automate lighting while preserving your existing switches.

Perfect for retrofit projects and older electrical installations, the Shelly 1L Gen3 delivers reliable remote control, scheduling, and intelligent automation—even in homes where a neutral wire is not available.

Designed for Homes Without a Neutral Wire

Unlike many conventional smart switches, the Shelly 1L Gen3 is specifically engineered for installations that lack a neutral wire. This makes it an excellent choice for renovating older homes or adding smart functionality without extensive electrical modifications.

• Designed for no neutral wire installations
• Perfect for retrofit projects
• Works behind existing wall switches
• Maintains manual switch operation
• Minimal changes to existing wiring

Smart Lighting Control

Transform traditional lighting into an intelligent system with remote control, schedules, timers, and automation. Control your lights from anywhere using the Shelly Smart Control app or compatible smart home platforms.

• Remote ON/OFF control
• Lighting schedules
• Timers and scenes
• Sunrise and sunset automation
• Vacation mode lighting

Powered by Shelly Gen3

The Shelly 1L Gen3 is built on Shelly's latest Gen3 platform, providing improved processing power, expanded memory, Bluetooth onboarding, BLE Gateway functionality, and support for advanced local automation.

• Wi-Fi connectivity
• Bluetooth for quick setup
• BLE Gateway functionality
• Local scripting support
• MQTT, REST API and Webhooks

Advanced Smart Home Automation

Create intelligent automations based on schedules, occupancy, sunrise and sunset, or custom events. Integrate the Shelly 1L Gen3 with compatible Shelly sensors and devices to automatically control lighting throughout your home.

Thanks to local scripting capabilities, automations continue running even without cloud connectivity.

Simple Retrofit Installation

The compact relay module fits neatly behind existing wall switches, allowing you to upgrade conventional lighting circuits while maintaining the familiar appearance and operation of your switches.

Note: Depending on the electrical installation and connected load, a Shelly Bypass may be required to ensure proper operation with certain low-power LED lighting circuits.

Ideal Applications

• Existing light switches
• Older homes without neutral wiring
• Apartments
• Hallways
• Bedrooms
• Living rooms
• Holiday homes
• Office lighting
• Commercial retrofit projects

Why Choose Shelly 1L Gen3?

• Designed specifically for no neutral wire installations
• Remote lighting control
• Wi-Fi and Bluetooth connectivity
• Powered by Shelly Gen3
• BLE Gateway functionality
• Advanced local scripting and automation
• MQTT, REST API and Webhooks support
• No smart hub required
• Easy retrofit installation behind existing switches

What is the Shelly 1L Gen3?

The Shelly 1L Gen3 is a smart relay designed for lighting circuits without a neutral wire, enabling remote control and automation of existing light switches without major rewiring.

Do I need a neutral wire?

No. The Shelly 1L Gen3 is specifically designed for installations where a neutral wire is not available, making it ideal for many older homes.

Will I need a Shelly Bypass?

For some low-power LED lighting installations, a Shelly Bypass may be required to ensure stable operation. This depends on the connected load and wiring configuration.

Can I automate my lighting?

Absolutely. You can create schedules, timers, sunrise and sunset automations, occupancy-based lighting, and advanced custom routines using the Shelly Smart Control app or compatible smart home platforms.

Modern Smart Lighting Without Rewiring

The Shelly 1L Gen3 makes smart lighting accessible even in homes without a neutral wire. Combining advanced Gen3 hardware, Wi-Fi, Bluetooth, local scripting, and powerful automation features, this smart relay for no neutral wire installations is the ideal solution for modernizing existing lighting systems with minimal effort and maximum flexibility.

Delivery and warranty

Shipped from our New Zealand supplier's warehouse, typically dispatched within 2 working days. Full Shelly manufacturer warranty, backed by MEDA support.