Warehouse display
Description
Shelly Bypass for Dimmer helps a compatible Shelly dimmer operate with low-power lighting when no neutral wire is available at the dimmer. Use it with Shelly Dimmer Gen3 or Gen4 when the connected load is below 20 W.
Why you’ll love it
- Supports low-load lighting retrofits with compatible dimmers.
- Compact body fits inside a suitable light fixture.
- A simple companion accessory for no-neutral dimmer installations.
Technical specifications
- Supply: 220–240 V AC, 50 Hz; power consumption: <4 W.
- Dimensions excluding wires: 39 × 23 × 13 mm; weight: 8 g.
- Cable length: 65 ±5 mm; conductor: 0.2 mm² stranded.
- Operating temperature: −20 to +40 °C; humidity: 30–70% RH.
- Compatibility: Shelly Dimmer Gen3 and Shelly Dimmer Gen4.
The bypass connects in parallel with the light as shown in the manufacturer’s wiring diagram. It is an accessory, not a standalone dimmer or wireless controller. Installation must be carried out by a qualified electrician.
Manuals and technical information
- Shelly Bypass for Dimmer user and safety guide (PDF)
- Shelly Bypass for Dimmer specifications, wiring and integration information



