Shelly 1L Gen3: Smart WiFi Relay for Lights without Neutral

Shelly 1L Gen3 — No Neutral WiFi Relay 200W

The Shelly 1L Gen3 is a third-generation WiFi relay designed for installations without a neutral wire. It controls incandescent, LED, and halogen lights up to 200W from the Shelly app, by voice, or automatically. Includes the Shelly Bypass to ensure proper operation with low-power LED loads. No hub or subscriptions required.

Technical Specifications — Shelly 1L Gen3

• Connectivity: WiFi 802.11 b/g/n (2.4 GHz) + Bluetooth BLE
• Power Supply: 220–240V~ 50 Hz (no neutral)
• Self-consumption: <1.2W
• Maximum Load: 200W (resistive/incandescent); LED requires Shelly Bypass
• Channels: 1
• Includes: Shelly Bypass (for low-power LED loads)
• Operating Temperature: -20 to +40°C
• Dimensions: 37 × 42 × 16 mm
• Protocols: MQTT, HTTPS, Webhooks, Scripting (mJS)
• Certifications: CE, RoHS

Main Features

• No neutral: install in any switch box where only live and load are present, no rewiring needed
• Shelly Bypass included: prevents flickering or ghosting in low-power LED bulbs
• Integrated Bluetooth Gateway: manage Shelly BLU devices from the same app without additional hardware
• WiFi Extender: automatically extends your home automation network coverage
• mJS Scripting: local automations without relying on the cloud
• Ultra-compact (37×42×16mm): compatible with standard European switch boxes

Compatible with

• Home Assistant (local, no cloud)
• Amazon Alexa
• Google Home
• MQTT, HTTPS, Webhooks, Scripting mJS

Use Cases

• Automate lighting in rooms where only live and load are present (no neutral)
• Modernize old electrical installations without construction or new wiring
• Voice control of lighting with Alexa or Google Home
• Integration with Home Assistant for automatic lighting scenes and routines

Official Shelly distribution. Shipped from Spain. Official Shelly warranty.