Moes ZigBee Smart Light Switch Module No Neutral

Moes ZigBee Smart Light Switch Module No Neutral

A Zigbee relay for wall boxes with no neutral, switching two circuits at 5 A each, with DIN rail mounting.

Launch Year: 2020

Model: ZM-104-L-MS

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Our review

Moes ZigBee Smart Light Switch Module (No Neutral) Review: Two Channels Without a Neutral Wire

The verdict

This Moes module is the no-neutral answer for older wiring: a Zigbee relay that installs behind an existing switch in a box that has no neutral wire, and still gives you two independently switched channels at up to 5 A each on 90-250 V AC. It works with Google Home, Alexa and Home Assistant through a Zigbee hub, mounts on a DIN rail as well as in a back box, and keeps the physical switch in play. What you give up is the extras: no energy monitoring, no Apple HomeKit or Matter, no Zigbee routing, and several specs the manufacturer does not document.

Best for
  • Homes without a neutral wire
  • Double switches and two-circuit rooms
  • Zigbee and Home Assistant setups
  • Keeping existing switch plates

Pros

  • Installs without a neutral wire
  • Two independent channels from one module
  • Wide 90-250 V AC compatibility
  • DIN rail mountable as well as back-box friendly
  • Works with Google Home, Alexa and Home Assistant
  • Keeps the existing switch and plate in use
  • Low price

Cons

  • Only 5 A per channel, resistive loads only
  • Does not act as a Zigbee router
  • No energy monitoring
  • No Apple HomeKit, SmartThings, IFTTT or Matter support
  • Requires a Zigbee hub, with no Wi-Fi or Bluetooth fallback
  • No interlock or roller mode for motorised shutters
  • Protection features, power-off memory, manual button and OTA support are not documented

Who is this module for?

Wall boxes without a neutral wire are the single most common reason a smart lighting project stalls, and this module exists for exactly that situation. It hides behind the switch you already have, so nothing about the room changes and the switch keeps working by hand, and it handles two circuits rather than one, which suits a double switch or a room with separate main and accent lighting. Control comes through a Zigbee hub, with Google Home, Alexa and Home Assistant supported.

What it handles

Two channels, each switching AC from 90 to 250 V at up to 5 A, in wet contact mode so the connected load is powered directly. Automations are supported through the integrated platforms, and DIN rail mounting means it can also be installed inside a panel rather than a back box. The 18 x 47 x 52 mm body is slim enough for most retrofit installs.

What to know before you buy

Each channel is limited to 5 A and resistive loads only, so inductive and capacitive loads and DC are all outside its scope. It does not act as a Zigbee router, so unlike many mains-powered Zigbee devices it will not extend your mesh. There is no energy monitoring. Platform support stops at Google Home, Alexa and Home Assistant: no Apple HomeKit, no SmartThings, no IFTTT, no Matter. A Zigbee hub is required, with no Wi-Fi or Bluetooth fallback. Undocumented for this model: maximum load power in watts, the four protection features (overheating, overvoltage, overcurrent, overpower), power-off memory, the presence of a manual button, and OTA update support. There is also no interlock or roller mode, so it should not be used for motorised shutters.

Is this module worth it?

It is cheap and it solves a specific wiring problem while covering two circuits, which is a better deal than buying two single-channel no-neutral relays. Set expectations accordingly: this is basic switching without metering, mesh routing or Apple support, and with more unstated specs than a well-documented brand-name module. On a Google Home, Alexa or Home Assistant setup with no neutral at the switch, it is a practical, low-cost fix.

Frequently asked questions

Does this module need a neutral wire?

No. It is designed for wall boxes without a neutral wire, which is what rules out most smart switches in older homes.

How many circuits can it control?

Two, independently, at up to 5 A each on AC from 90 to 250 V.

Does it work with Apple HomeKit?

No. Google Home, Alexa and Home Assistant are supported. Apple HomeKit, Samsung SmartThings, IFTTT and Matter are not.

Will it extend my Zigbee network?

No. Unlike some mains-powered Zigbee devices, this module does not act as a Zigbee router.

Can it drive a roller blind?

No. Interlock (roller or cover) mode is not supported, so it should not be used to drive a motor that needs two channels safely interlocked.

At a glance

Summary

Everything this relay supports, grouped by category.

Size & Materials
0.7 × 1.9 × 2 in (18 × 47 × 52 mm)
Connectivity
Zigbee (Zigbee Hub required)
Integrations
Google HomeAlexaHome Assistant
Features
Relay Channels (2)Wet Contact ModeDIN rail mount

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Company
Moes logo

Moes

4.2/ 5 avg ratingChina flagHeadquartered in China

Moes is a smart home brand built largely on the Tuya platform, offering a wide range of switches, dimmers, thermostats, curtain motors and sensors in Wi-Fi and Zigbee versions. Its devices work through the Tuya/Smart Life app and integrate with Alexa and Google Home, with a Zigbee hub available for local control. Moes is popular for affordable, customizable wall switches and automation accessories.

Full specifications

Every spec, organized

Browse the full breakdown by category. Tap the on any row for what it means, or the for sources and documentation.

Size & Materials
Dimensions

0.7 × 1.9 × 2 in (18 × 47 × 52 mm)

Weight

?

Power
AC Power

YES

AC Load Voltage

90-250 V

Resistive Load

YES

Max Resistive Load Power (Per Channel)

?

Max Resistive Load Current (Per Channel)

5A

Inductive Load

NO

Max Inductive Load Power (Per Channel)

-

Max Inductive Load Current (Per Channel)

-

Capacitive Load

NO

Max Capacitive Load Power (Per Channel)

-

Max Capacitive Load Current (Per Channel)

-

DC Power

NO

Max DC Load Power (Per Channel)

-

Max DC Load Current (Per Channel)

-

DC Load Voltage

-

Neutral Required

NO

Idle Consumption

?

Safety
Overheating protection

?

Overvoltage protection

?

Overcurrent protection

?

Overpower protection

?

Connectivity
2.4 GHz WiFi

NO

5 GHz WiFi

NO

Bluetooth

NO

Z-Wave

NO

Zigbee

Zigbee Hub required

Thread Protocol

NO

Radio Frequency

NO

Integrations
Google Home

YES

Alexa

YES

Apple HomeKit

NO

Samsung SmartThings

NO

Home Assistant

YES

Matter

NO

Features
Relay Channels

2

Energy Monitoring

NO

Power Off Memory

?

Wireless Switch Mode

NO

Dry Contact Mode

NO

Wet Contact Mode

YES

Interlock/Cover/Roller mode

NO

DIN rail mount

YES

On/Off Button

?

Automations

YES

Zibgee Router

NO

OTA

?

Required to work

You need a Zigbee hub for this

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Why it needs a Zigbee coordinator

The Moes ZigBee Smart Light Switch Module No Neutral speaks Zigbee, not Wi-Fi. On its own it cannot reach your phone, your voice assistant or any automation: it needs a Zigbee coordinator to join. These are the ones in our catalog that can run it.

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