Sonoff - 2-channel Zigbee switch without neutral MINI DUO-L

MINI DUO-L Zigbee 3.0 No-Neutral Dual-Channel Smart Switch

The MINI DUO-L is a compact dual-channel Zigbee 3.0 smart switch module that fits behind traditional wall switches — perfect for homes without a neutral wire. With support for two independent loads, this module enables automation, scheduling, and remote control via your Zigbee hub while keeping your existing switches.

Main Features

• No neutral wire required – compatible with older electrical installations
• Two independent outputs for controlling separate lights or circuits
• Zigbee 3.0 protocol – integrates with Zigbee hubs like Home Assistant, Jeedom, SmartThings, etc.
• Manual control supported via S1/S2 external switches
• Custom behavior modes via Zigbee2MQTT (power-on state, trigger type, etc.)
• OTA firmware updates supported through compatible hubs

Typical Applications

• Upgrade traditional switches to connected smart switches without rewiring
• Control of two independent lighting circuits (e.g., lamp + socket)
• Integrate into home automation scenes, schedules, and triggers
• Ideal for refurbishment or older buildings without neutral wiring

Technical Specifications

• Model: MINI-ZB2GS-L
• Protocol: Zigbee 3.0 (IEEE 802.15.4)
• Power Supply: 100–240 V AC, 50/60 Hz – no neutral required
• Maximum Load: 8 A per channel, 12 A total (resistive)
• Minimum Load: 3 W – supports LED lighting
• Outputs: L1 and L2 (2 channels), S1/S2 switch inputs
• Terminals: L (line), L1, L2, S1, S2
• Operating Temperature: -10°C to +40°C
• Humidity: 5–95% RH (non-condensing)
• Dimensions: 45 × 39.4 × 16.8 mm
• Material: Flame-retardant PC
• Certifications: CE, FCC, RoHS

This module is ideal for transforming a standard two-gang switch into a connected smart switch — without changing the wiring. It brings Zigbee automation into every room, no neutral wire needed.