SONOFF ZBMINI-L Zigbee 3.0 Smart Switch works without neutral wire

When using a wireless switch like SONOFF T2 a connection to the neutral wire is needed to power the device, but this is not always feasible/practical as many lights as cabled without a neutral wire.

SONOFF ZBMINI-L Zigbee 3.0 smart switch solves this issue as it does not require a neutral wire. Simply connect the two wires for the light and you are good to go. ITEAD says its solution does not require an extra anti-flicker module and relies on an “advanced electricity extraction technique”.

Sonoff Zigbee switch no neutral wire

SONOFF ZBMINI-L specifications:

  • Connectivity – Zigbee 3.0 via TI CC2652P, up to 50 meter range (line of sight)
  • Input – 100-240V 50/60Hz up to 6A
  • Output – 100-240V 50/60Hz up to 6A
  • Max. Load
    • Resistive – 1380W Max @ 230V, 720W Max @ 120V
    • LED – 300W Max @ 230V, 150W Max @ 120V
  • Dimensions – 54 x 45 x 24mm (supports 35mm DIN Rail mounting)
  • Enclosure material – PC V0
  • Temperature Range – -10°C to +40°C
  • Certifications – FCC, CE; TÜV safety certification
Wiring instructions for one external switch control (left) and 2-way switch control (right)

It’s nice to see a SONOFF switch getting TUV safety certification and it should alleviate concerns some had with previous SONOFF products notably with regards to insurance, besides safety. The company says the switch works LED lights that draw as little as 3W without flickering, so I just draw enough current to power itself at all times without turning on the light unless instructed by the user.

ZBMINI-L is compatible with SONOFF ZBBridge and SONOFF Zigbee Dongle Plus, as well as Amazon Hub, Samsung Hub, and other Zigbee 3.0 compatible home hubs. You may also automate lighting with motion or windows/door sensors like SNZB-01, SNZB-02, SNZB-03, SNZB-04, or compatible Zigbee devices from third parties.

SONOFF ZBMINI-L works with the eWelink app for Android and iOS, and supports Google Assitant, Amazon Alexa, Yandex Alice, and Samsung SmartThings. There seem to be two features that I had not seen before with Web Control to control devices from a web browser and eWelink keyboard to turn on/off the lights with a keyboard shortcut from your computer or laptop. IFTTT is also available, but only with the (paid-for) Advanced membership for the eWelink app.

ITEAD has produced the first batch of 1,000 pieces with the unit sold for $13.40 directly in their store. For additional information, you may want to check out the user manual and quick start guide.

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