Shelly Dimmer 3

🔆 Shelly Dimmer Gen3 – Smart Light Dimming, With or Without Neutral Wire

Shelly Dimmer Gen3 is a smart controller designed for smooth dimming of compatible lights and drivers. It works both with and without a neutral wire, making it ideal for retrofits and new builds alike. Equipped with Shelly’s latest-generation chip, it ensures fast, reliable performance and effortless integration into any smart home setup.

✅ Wi-Fi Control – No hub required
📶 Multi-protocol connectivity – Wi-Fi + Bluetooth (BLE gateway)
💡 Accurate dimming – Supports dimmable LED lights, incandescent bulbs, and transformers (up to 200 W)
🌙 Night Mode – Automatically lowers brightness during nighttime
📊 Smart Scheduling – Automate lights by time or sunrise/sunset
🔥 Built-in protection – Overload & overtemperature protection
⚙️ Works without neutral – Bypass required under 20 W
📱 Broad compatibility – Shelly app, Alexa, Google Home, MQTT, Webhooks, etc.

🧠 Recommended Use Cases
🎯 Precise lighting control – Adjust the brightness for reading, relaxation, or bedtime.
🏡 Perfect for retrofits – Easy installation in wall boxes, no rewiring needed.
🛋️ Personalized comfort – Combine with other Shelly devices for smart lighting scenes.
📉 Energy efficiency – Save electricity by reducing brightness without sacrificing comfort.

📐 Technical Specifications

• Dimensions: 38 x 42.5 x 16.5 mm

• Weight: 24.3 g

• Power supply: 220–240 V~ 50 Hz

• Power consumption: < 1.5 W

• Max output power: 200 W

• Dimming type: Trailing edge

• Protections: Short circuit, overvoltage, overtemperature

• Voltmeter (AC): 180–240 V / ±5%

• Ammeter (AC): up to 3 A / ±5%

• Operating temperature: -20 °C to +40 °C

• Humidity: 30–70% RH

• Wi-Fi range: up to 50 m outdoors / 30 m indoors

• Bluetooth range: up to 30 m outdoors / 10 m indoors

• Wi-Fi Protocol: 802.11 b/g/n

• Bluetooth Protocol: 4.2

• CPU: ESP32 C3 STM32 G051

• Flash memory: 8 MB

• Supports: Scripting, MQTT, Webhooks, Advanced Schedules

🔧 Note: Shelly Bypass is required if no neutral wire is used and the load is under 20 W.