The smart dimmer Shelly Dimmer 2 delivers precise brightness control, works even without a neutral wire, and supports Wi‑Fi control from anywhere. It offers power consumption metering, overheating and overload protection, and easily integrates into your smart home via Amazon Alexa, Google Assistant, and open interfaces MQTT/CoAP/REST API.
Shelly Dimmer 2 is a compact Wi‑Fi lighting controller for modern installations that fits standard wall boxes. It enables smooth dimming of LEDs, bulbs, and halogens, operates without a neutral wire, and handles a wide load range. Thanks to power measurement, you get insight into consumption, and smart automation boosts comfort and savings.
Connect it to your home network easily via 2.4 GHz Wi‑Fi, control it locally or remotely, and create weekly schedules or scenes based on sunrise and sunset. The built‑in temperature sensor and overheat and overload protections ensure safe operation. Open interfaces (MQTT, CoAP, REST API) expand integration options for DIY projects and smart home platforms.
Main advantages:
- Works without neutral – ideal for older installations.
- Smooth dimming of LEDs, bulbs, and halogens.
- Energy metering for better power control.
- Safety: thermal protection and overload protection.
- Smart scenarios, schedules, and sun‑based modes.
- Wide integration: Alexa, Google Assistant, MQTT/CoAP/REST.
Specifications
- Manufacturer
- Shelly
- Model
- Dimmer 2
- Power supply
- 110–230 V ±10%, 50/60 Hz
- Device thermal protection
- Yes; 95 °C
- Overload protection
- Yes
- Power measurement
- Yes
- Dimming
- Yes
- Operating current
- 0.1–1.1 A
- Dimmable LED loads
- 50–200 VA / 10–200 W
- Incandescent and halogen
- 10–220 W
- Operation without neutral wire
- Yes
- Channels
- 1 channel
- Operating temperature
- 0 to +40 °C
- Self‑consumption
- < 1 W
- Smart on/off
- Yes
- Local and remote control
- Yes
- Sunrise/sunset automation
- Yes
- Weekly scheduling
- Yes
- Wi‑Fi
- 802.11 b/g/n
- Radio frequency
- 2400–2500 MHz
- Range
- Up to 50 m outdoors, up to 30 m indoors (depending on building materials)
- Dimensions
- 42 × 36 × 14 mm
