Shelly Dimmer Gen4

Shelly Dimmer Gen4 – Smart Dimming Made Easy

The Shelly Dimmer Gen4 is a next-generation single-channel smart dimming controller designed to give you full control over your lighting. Whether you are upgrading your home, commercial space, or hospitality environment, this compact dimmer lets you remotely adjust brightness, automate lighting schedules, and integrate with popular smart home ecosystems.

Featuring Wi-Fi, Bluetooth, Zigbee, and Matter support, the Dimmer Gen4 offers exceptional versatility and seamless compatibility—without needing a dedicated hub. It can operate locally or through cloud services, providing access anytime, anywhere.

Main Features

• No Neutral Required: Works with or without a neutral wire for easy retrofitting.
• Bypass Support: Recommended for loads under 20W or when faint light appears when off (no-neutral setups).
• Multiplatform Connectivity: Wi-Fi, Bluetooth, Zigbee, and Matter for flexible integrations.
• Zigbee & Wi-Fi Range Extension: Acts as a repeater to boost your smart home coverage.
• Scripting & Automation: Create advanced automations using built-in scripting.
• Schedules: Supports weekly and advanced yearly schedules with brightness and transition controls.
• Auto On/Off Timers: Configure automatic lighting behavior.
• Local Actions & Webhooks: Enable fast, trigger-based automation with other devices.
• Power Monitoring: Measures voltage, current, and consumption when used with a neutral.
• Night Mode: Set a reduced brightness level during nighttime hours.
• Input Flexibility: One or two-button dimming control, with adjustable fade rate and button presets.
• Automatic Dimming Calibration: Ensures smooth dimming performance across all light types.
• Highly Compatible: Integrates with Home Assistant, Google Home, Alexa, SmartThings, and more.
• Safety Protections: Overheat, overvoltage, undervoltage, overpower, and overcurrent protection (full protections with neutral).

Use Cases

• Retrofit existing lighting systems—even without a neutral wire.
• Control brightness to create the perfect ambiance in homes or businesses.
• Sync lighting with sunrise/sunset schedules.
• Enable night mode for gentle nighttime illumination.
• Automate scenes with third-party platforms like Home Assistant or Alexa.
• Activate lights upon motion detection for added comfort and safety.
• Perfect for restaurants, cafés, MDUs, offices, and residential settings.

Integration Support

• Amazon Alexa: Brightness control, On/Off
• Google Home: Brightness control, On/Off
• Samsung SmartThings: Brightness control, On/Off
• Matter: Simple and secure multi-ecosystem support

Connectivity

• Wi-Fi: 802.11 b/g/n/ax
• Bluetooth 5.0
• Zigbee 3.0 with repeater functionality
• Matter Compatibility

Supported Load Types

• Dimmable LED lamps – up to 150W
• Incandescent & halogen lamps – up to 200W
• Iron-core transformers – up to 200VA
• Dimmable electronic transformers – up to 200W

Specifications

• Power Supply: 220–240V AC, 50Hz
• Power Consumption: < 1.5W
• Dimensions: 38.5 × 43.5 × 17 mm
• Operating Temperature: -20°C to 40°C
• Maximum Output Power: 200W
• Wireless Range: Up to 30m indoors (Wi-Fi), up to 100m indoors (Zigbee)

The Shelly Dimmer Gen4 is one of the most advanced, flexible, and compact dimming solutions for modern smart homes. Whether you're upgrading a single room or an entire property, it delivers professional-grade performance with unparalleled compatibility.