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Dimmer Gen4

Dimmers Shelly wiring diagrams

Shelly Dimmer Gen4 and Gen3 wiring diagram

How to wire a Shelly Dimmer to dim a light, with a push button on S1 that switches with a press and dims while held.

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Wiring diagrams

Shelly Dimmer Gen4

230 V~ 50 Hz
Circuit overview
LN230 V~ 50 Hz1Dimmable light2Push buttonLLNOOS2S1Shelly Dimmer Gen4
1Dimmable light2Push button
Active (supply)Neutral / 0 VSwitched loadSwitch signal / dry contact

In Australia, fixed 230 V wiring is licensed-electrician work. Use these diagrams to plan the job and brief your electrician.

Showing the whole circuit

Shelly Dimmer Gen4

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LN230 V~ 50 Hz1Dimmable light2Push buttonLLNOOS2S1Shelly Dimmer Gen4
1Dimmable light2Push button

Select a terminal to follow its wiring.

How it's wired, terminal by terminal

The Shelly Dimmer Gen3 is wired the same way as the Shelly Dimmer Gen4.

  1. Dim a light

    One dimmed circuit, with a button on S1

    Mains comes in on L and N, and O carries the dimmed active out to the light. A push button on S1 switches the light with a press and dims it while held. Dimmable lights only, up to 150 W of LED or 200 W of incandescent or halogen.

    Terminals for dim a light on the Shelly Dimmer Gen4
    Terminal What it does here
    L 230 V active in (either L terminal)
    N Neutral in
    O Dimmed active out to the light (either O terminal)
    S1 Push button: press to switch, hold to dim
    S2 Second switch or button input

    Supply: 230 V~ 50 Hz

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