Sonoff MINI-ZBDIM Zigbee Dimmer Switch – dimmer module with power monitoring, Zigbee

The SONOFF MINI-ZBDIM is an ultra-compact, in-wall Zigbee 3.0 trailing-edge dimmer that allows you to upgrade existing lighting circuits into smart ones easily and cleanly. It offers smooth, flicker-free dimming with precise percentage control and soft fade transitions. Additionally, it acts as a Zigbee router, strengthening your mesh network for increased range and stability.

Designed in the Mini Extreme form factor, the module fits comfortably behind standard wall switches and retains traditional control – supporting both momentary (push-button) and toggle switches, selectable directly on the device. Advanced settings such as minimum brightness threshold, transition time, and calibration allow fine-tuning for compatibility with various dimmable LEDs, bulbs, or electronic transformers.

Thanks to its Zigbee-based control, the MINI-ZBDIM integrates into brand-agnostic smart homes: compatible with Home Assistant (ZHA / Zigbee2MQTT), SONOFF gateways (e.g., NSPanel Pro, iHost), and other Zigbee 3.0 hubs. Remote control, dimming, scheduling, scenes, and automations are fully supported – even via voice assistants, depending on the platform used.

About the SONOFF Brand

SONOFF (ITEAD) is one of the most recognized brands in the DIY smart home community. Their portfolio includes Wi-Fi and Zigbee relays, dimmers, sensors, and switches with excellent price-performance and flexible integration options – supporting eWeLink, Home Assistant, Google Home, Amazon Alexa, and SmartThings ecosystems.

Key Features

• Ultra-compact installation: Mini Extreme size – fits behind wall switches for clean retrofit setups.
• Pro-grade trailing-edge dimming: Smooth, flicker-free control for 230V dimmable light sources.
• Zigbee 3.0 router: Acts as a signal repeater to enhance mesh network range and stability.
• Flexible external switch support: Works with both momentary and toggle switches; mode selectable on device.
• Fine-tuning options: Minimum brightness level, transition times, calibration, and smooth dimming curve.

Smart Home Protocols & Platform Compatibility

• Protocol: Zigbee 3.0
• Compatibility: Home Assistant (ZHA, Zigbee2MQTT), SONOFF Zigbee gateways (NSPanel Pro, iHost), and other Zigbee 3.0 hubs (features may vary by hub).
• Voice Control: Works with Alexa, Google Home, SmartThings (via Zigbee hub integration).
• Local Control: Operates with wall switch even without internet connection.

Smart Features

• Remote On/Off & Dimming: Status control, scenes, and automation supported via Zigbee.
• Calibration & Min. Brightness: Helps prevent flickering and sets usable dimming range.
• Transition Times: Configure soft brightness fades.
• Power-On Behavior: Choose default state after power outage (e.g., restore previous state).
• Grouping: Sync multiple lighting circuits for unified control.

Technical Specifications

• Product / Name: SONOFF MINI-ZBDIM (MINI DIM – Zigbee)
• Product Series: MINI Extreme Series
• Type: Zigbee Dimmer Switch (Trailing-Edge)
• Model: MINI-ZBDIM
• MCU / Radio: EFR32MG21; Zigbee 3.0 (IEEE 802.15.4)
• Power Supply / Network: 220–240 V~ 50 Hz
• Rated Load: Max 400 W (resistive load); LED: 200 VA
• Zigbee Role: Router / Repeater
• External Switch Input: S1/S2 – supports both momentary and toggle switches
• Available Settings: Min brightness, transition time, calibration, power-on state
• Recommended Wiring: 18–16 AWG solid/stranded copper (SOL/STR)
• Installation / Application: In-wall mounting behind wall switch; indoor use only
• Dimensions: 45 × 39.4 × 16.8 mm
• Net Weight: 24.5 g
• Color / Housing: White / PC plastic
• Operating Temperature: −10…+40 °C
• Operating Humidity: 5–95% RH, non-condensing
• Certifications: CE / RoHS

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