Shelly 1L Gen4

Shelly 1L Gen4 is a compact one-channel smart switch for lighting circuits where no neutral conductor is available at the wall switch.

• Output: 1 lighting channel, up to 200 W at 220–240 Vac
• No-neutral installation: supported; Shelly Bypass for 1L/2L is included for LED and low-load circuits
• Connectivity: Wi‑Fi, Zigbee and Bluetooth
• Smart-home standards: Matter over Wi‑Fi and KNXnet/IP
• Automation: schedules, scenes, local actions, scripting, MQTT, webhooks and WebSockets
• Installation: flush-mounted behind an existing switch
• Protection: internal temperature monitoring for overheating protection
• Manufacturer SKU: FG3800238074326

Suitable for retrofit lighting automation in older and modern installations without rewiring a neutral conductor to the switch box.