Shelly 1L Gen3 Single-Channel WiFi Smart Switch for No-Neutral Lights

The Shelly 1L Gen3 represents a significant advancement in smart lighting control, specifically engineered for installations where neutral wiring is unavailable. This single-channel WiFi smart switch delivers sophisticated functionality while maintaining a remarkably compact form factor. Its ability to operate without a neutral wire makes it particularly valuable for retrofitting older electrical systems, eliminating the need for costly rewiring projects while bringing modern smart home capabilities to any property. Designed for seamless integration into existing infrastructure, the device fits discreetly within standard electrical wall boxes or behind traditional light switches. The embedded web interface provides comprehensive control and customisation options, while Matter readiness ensures future compatibility with evolving smart home ecosystems through simple firmware updates. Remote access and management are available via mobile applications or web browsers when connected to a WiFi network, offering complete control from any location with internet connectivity.

Technical Specifications

• Device Model: S3SW-0A1X1EUL
• Bluetooth ID: 0x1014
• Operating Voltage: 220-240 VAC
• Minimum Load Requirement: Requires Shelly Bypass 1L/2L Gen3 for bulbs greater than 5W
• Wireless Connectivity: Dual-mode WiFi and Bluetooth
• Installation Flexibility: Compatible with standard electrical wall boxes

Key Features

• No Neutral Wire Required: Operates using only live wire connection, making retrofitting straightforward and cost-effective
• Remote Accessibility: Full control via smartphone applications or web interface from any location with internet access
• Voice Control Integration: Compatible with Amazon Alexa and Google Assistant for hands-free operation
• Advanced Scheduling: Comprehensive timer functions and automation routines for energy efficiency and convenience
• Compact Dimensions: Space-efficient design ensures easy installation in confined spaces
• Broad Compatibility: Tested with extensive range of lighting types and voltage requirements
• Local Network Operation: Functions independently within local WiFi network without requiring cloud services

Practical Applications

The device excels in residential settings where neutral wires are absent from switch boxes, particularly in older properties undergoing modernisation. Its compact size makes it ideal for installation behind existing light switches without requiring modification to wall fittings. The scheduling capabilities enable automated lighting patterns that enhance home security while reducing energy consumption. Integration with voice control systems provides accessibility benefits and convenience for users with mobility challenges. The robust construction and wide voltage tolerance ensure reliable performance across various electrical systems and lighting types.