Sonoff MINI DUO-L 2-Gang Zigbee Smart Switch (No Neutral)

The SONOFF MINI DUO-L (MINI-ZB2GS-L) is a 2-gang Zigbee 3.0 smart switch designed for installations without a neutral wire. Thanks to its ultra-slim housing, it fits into most European (Ø60 mm) wall boxes, making it an ideal solution for retrofitting smart control in older properties. It supports two independent channels with a total rated load of up to 12 A, while maintaining manual control through traditional wall switches.

The Zigbee-based control provides reliable, local (cloud-free) operation and broad compatibility. With support for schedules, automations, and voice control, the switch easily integrates into daily routines. No flicker-prevention module is required for no-neutral installations, and its use is not recommended. Please note: the minimum load should be at least 3W.

About the SONOFF Brand

SONOFF is a key player in the DIY smart home community. Its product lineup—relays, switches, sensors, gateways (Wi-Fi and Zigbee)—offers excellent value for money, wide ecosystem compatibility, and easy installation for quick smart upgrades.

Key Product Features

• No-neutral installation: does not require a neutral wire, ideal for retrofitting in older electrical systems. Note: the connected load must be at least 3W.
• Two independent channels: control two separate circuits from one compact module, up to 12 A combined load.
• Ultra-compact size: fits behind most Ø60 mm EU wall boxes; easy to place behind a wall switch.
• Wide switch compatibility: works with both momentary (push-button) and rocker switches via S1/S2 inputs.
• Reliable Zigbee control: stable operation with local control even when the internet is down, via a compatible Zigbee hub.

Smart Home Protocols & Platform Compatibility

• Protocol: Zigbee 3.0
• Compatibility: Home Assistant (ZHA, Zigbee2MQTT), SmartThings, and other Zigbee 3.0 hubs (available features may vary by platform).
• Voice control: Alexa / Google Home (via supported Zigbee hub).
• Local control: manual switching via wall switch always works; Zigbee enables local control without cloud.

Smart Features

• On/Off control on two circuits: independent channel switching with state reporting.
• Schedules and scenes: timed actions and automations via your Zigbee hub’s app.
• Grouping: control multiple devices simultaneously (e.g., room-based lighting control).
• Power-on state: configurable behavior after power outage (depending on hub support).

Technical Specifications

• Product: SONOFF MINI DUO-L 2-Gang Zigbee Smart Switch
• Model: MINI-ZB2GS-L
• Channels: 2 × independent relay outputs
• Rated load: max. 12 A total (resistive load)
• Wiring: live wire only (L); no neutral wire required
• Terminal labels: L, L, L, L1, L2, S1, S2
• Dimensions: approx. 45 × 39.4 × 16.8 mm
• Weight: ~33 g
• Operating temperature: −10 to +40 °C
• Operating humidity: 5–95% RH, non-condensing
• Housing material: PC (polycarbonate), IP20 rated
• Zigbee role: end device (not a router)
• Compatible wall box: EU Ø60 mm recessed box
• Certifications: CE / FCC / RoHS (e.g., FCC ID: 2APN5-MINIZB2GSL)
• Note: external anti-flicker modules are not required and not recommended.

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Available documents are organized by manufacturer in folders on Google Drive.

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