S1-B(WT) Wi-Fi TRIAC dimmer with Tuya and Push-Dimm, white
The S1-B(WT) is a single-channel AC dimmer for single-colour dimmable light sources, including LED bulbs and strips, incandescent lamps and halogen lamps. It provides on/off switching and smooth, flicker-free brightness adjustment from 0–100%, with 256 dimming levels.
Control and automation
- App control: Tuya Smart or Smart Life offers brightness adjustment, timers, scenes and delayed switching.
- Local control: supports 2.4 GHz RF remotes for single-zone or multi-zone control, plus a standard momentary push switch using Push-Dimm.
- Voice control: works with Amazon Alexa, Google Assistant, Tmall Genie and Xiaodu.
- Wi-Fi to RF conversion: synchronise one or more RF dimming controllers or LED drivers through Tuya Smart.
Settings and installation
Select leading-edge or trailing-edge dimming using the DIP switch. Minimum brightness is configurable with the button, and fade-in/fade-out time can be set up to 3 seconds.
The 60 × 60 × 40 mm unit fits in a standard wall junction box behind a switch. Built-in overheating and overload protection includes automatic recovery. The IP20 enclosure is not waterproof.
| Model | S1-B(WT) |
|---|---|
| Number of channels | 1 |
| Supported lighting systems | Single-colour |
| Connectivity and frequency | Wi-Fi + RF, 2.4 GHz |
| Input voltage | 100–240 V AC |
| Output voltage | 100–240 V AC |
| Output current | 1.5 A |
| Dimming range | 0–100% |
| Button | 1; brightness adjustment in 5%/10%/15%/20%/25%/30% steps |
| Operating distance | Up to 30 m |
| App | Tuya Smart / Smart Life (Android, iOS) |
| Compatible voice assistants | Amazon Alexa and Google Assistant |
| Protection rating | IP20; not waterproof |
| Compatible wire cross-section | 0.5–2.0 mm² |
| Certificates | CE, EMC, RoHS |
| Operating temperature | −20 to +55 °C |
| Dimensions | 60 × 60 × 40 mm |
| Colour | White |
| Weight | 61 g |
| Phase-cut dimming type | Leading edge or trailing edge; DIP switch selection |
| Number of dimming levels | 256 |
| Fade-in/fade-out time | Configurable up to 3 s |
| EAN | 9990001084653 |
|---|
Can it be controlled without the app?
Yes. It supports a 2.4 GHz RF remote control and a standard momentary push switch using Push-Dimm.
Which light sources does it support?
Single-colour dimmable light sources, including LED bulbs and strips, incandescent lamps and halogen lamps.
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