1. Produktet er slutview
The SONOFF ZBM5-2C-120W is a 2-gang Zigbee smart wall switch designed for intelligent control of your home lighting. It offers versatile wiring options, supporting both neutral and no-neutral wire installations. This smart switch integrates seamlessly with SONOFF Zigbee hubs and is compatible with open-source platforms like Home Assistant via Zigbee2MQTT. Enjoy convenient control through the eWeLink app, voice commands with Alexa and Google Home, and advanced automation features.

Image 1.1: SONOFF ZBM5-2C-120W 2-Gang Smart Light Switch and its retail packaging.
2. Nøglefunktioner
- Fjernbetjening: Control your lights from anywhere using the eWeLink app on your smartphone. A SONOFF Zigbee Gateway is required for this functionality.
- Neutral Wire Optional: Designed for flexible installation, this smart light switch can be used in electrical systems with or without a neutral wire.
- Open-Source Platform Compatibility: Beyond the eWeLink app, the switch can connect to Home Assistant via Zigbee2MQTT, allowing integration with devices from various manufacturers.
- Stemmestyring: Manage your lights hands-free using voice commands through Amazon Alexa or Google Home smart speakers after binding your voice assistant account to the eWeLink app.
- Timers and Scene Automation: Utilize the eWeLink app to set scheduled on/off times for lights or create smart scenes that automate lighting based on other Zigbee sensors or conditions.
- Detach Relay Function: This feature allows smart bulbs to remain online and controllable via app or voice even when the physical switch is turned off, preventing them from going offline. (Note: Supports connecting smart lights only in the neutral required mode.)
3. Installation og opsætning
3.1 Ledningsinstruktioner
The SONOFF ZBM5-2C-120W supports both no-neutral and with-neutral wiring configurations. Always ensure the main power is turned off at the circuit breaker before attempting any electrical wiring.

Image 3.1: Wiring diagrams for No Neutral and With Neutral installations. The 'No Neutral' setup requires a minimum load of 3W.

Image 3.2: Detailed wiring connections and terminal descriptions for the smart switch.
Ledningstrin:
- Sluk for strømmen ved afbryderen.
- Remove your existing wall switch.
- Connect the Live (L) wire to the 'L' terminal on the SONOFF switch.
- Connect the Live Output (Lout) wires to the corresponding 'Lout1' and 'Lout2' terminals.
- If using a neutral wire, connect it to the 'N' terminal.
- Fastgør afbryderen i vægdåsen.
- Gendan strømmen ved afbryderen.
3.2 App Setup (eWeLink)
To control your smart switch via the eWeLink app, follow these steps:

Image 3.3: Visual guide for eWeLink app setup process.
- Download eWeLink-appen fra Google Play Store eller Apple App Store.
- Open the app and register/log in.
- Ensure your SONOFF Zigbee Hub is powered on and connected to the eWeLink app.
- In the eWeLink app, tap the '+' icon to add a device.
- Follow the on-screen instructions to put the switch into pairing mode (usually by pressing and holding a button on the switch until an indicator light flashes).
- The app will scan for and detect the new Zigbee device.
- Once detected, name your switch and assign it to a room if desired.
4. Betjeningsvejledning
4.1 Manuel kontrol
The SONOFF ZBM5-2C-120W can be operated manually by pressing the physical buttons on the switch panel to turn connected lights on or off.
4.2 App kontrol
Once paired with your SONOFF Zigbee Hub and the eWeLink app, you can control the switch remotely:

Image 4.1: Remote control of the smart switch via the eWeLink app.
- Åbn eWeLink-appen.
- Navigate to the device list and select your SONOFF Zigbee Smart Light Switch.
- Tap the on/off icons for each gang to control the connected lights.
4.3 Stemmekontrol
Integrate your smart switch with Amazon Alexa or Google Home for convenient voice control:

Image 4.2: Voice control with Alexa or Google Home.
- Ensure your eWeLink account is linked to your Alexa or Google Home app.
- Find enheder i din stemmeassistent-app.
- Brug kommandoer som:
- "Alexa, tænd [Lysnavn]."
- "Hey Google, sluk [Lysnavn]."
5. Smarte scener og automatisering
Enhance your smart home experience by setting up automated routines and scenes:
5.1 Scheduling Timers

Image 5.1: Scheduling lights to turn off automatically for a healthier routine.
- In the eWeLink app, go to the 'Timer' section for your switch.
- Indstil specifikke tidspunkter for, hvornår lyset skal tændes eller slukkes, dagligt eller på udvalgte dage.
5.2 Oprettelse af smarte scener

Image 5.2: Zigbee two-way control setup using a wireless button and the smart switch.
- In the eWeLink app, navigate to 'Scenes'.
- Create custom scenes based on triggers (e.g., another Zigbee sensor, time of day) and actions (e.g., turn on/off lights, activate other devices).
- Example: Lights turn on automatically when a door sensor detects entry.
6. Detach Relay Function
The Detach Relay function is particularly useful for smart bulbs. When enabled, the physical switch button will not cut power to the smart bulb, allowing the bulb to remain connected to the network and controllable via app or voice, even when the physical switch is in the 'off' position.

Image 6.1: Detach Relay function ensures smart bulbs remain online and controllable.
To enable Detach Relay:
- This feature is typically configured within the eWeLink app settings for the specific switch.
- Note: This function is supported only when the switch is wired with a neutral wire.
7. Kompatibilitet
7.1 Zigbee Hub Compatibility
The SONOFF ZBM5-2C-120W requires a compatible Zigbee hub for full smart functionality. It works with various SONOFF Zigbee hubs and other Zigbee 3.0 compliant gateways.

Image 7.1: Zigbee Hub Compatibility chart, including supported and unsupported hubs.
7.2 Open-Source Platform Integration
For advanced users, the switch can be integrated into open-source home automation platforms:

Image 7.2: Integration with Home Assistant via Zigbee2MQTT or ZHA.
- Hjemmeassistent: The switch can be added to Home Assistant via Zigbee2MQTT or ZHA for seamless integration with a wider range of smart devices.
- Functionality may vary when added via these platforms compared to the eWeLink app.
8. Specifikationer

Image 8.1: Technical specifications for the SONOFF ZBM5-2C-120W.
| Attribut | Værdi |
|---|---|
| Modelnummer | ZBM5-2C-120 |
| Produktdimensioner | 4.72 x 2.91 x 1.55 tommer |
| Vægt | 5.51 pund |
| Driftstilstand | TÆND SLUK |
| Nuværende vurdering | 10 Amps |
| Operation Voltage | 120 volt |
| Kontakttype | Normalt lukket |
| Connector Type | Crimp |
| Terminal | Skrue |
| Kredsløbstype | 1-vejs |
| Aktuator type | Tryk knap |
| Min. Load (No Neutral Required) | 3W |
| Trådløs forbindelse | Zigbee |
| Farve | Hvid |
| Casing Materiale | PC+CRS |
| Antal bander | 2-bande |
| Driftstemperatur | -10°C ~ 40°C |

Image 8.2: Physical dimensions of the SONOFF ZBM5-2C-120W switch.
9. Vedligeholdelse
- Rensning: Use a soft, dry cloth to clean the surface of the switch. Do not use abrasive cleaners or solvents.
- Firmwareopdateringer: Tjek regelmæssigt eWeLink-appen for tilgængelige firmwareopdateringer for at sikre optimal ydeevne og sikkerhed.
- Netværksstabilitet: Ensure your Zigbee network is stable and your SONOFF Zigbee Hub is within an optimal range of the switch for reliable operation.
10. Fejlfinding
- Switchen reagerer ikke:
- Check if the main power supply to the switch is on.
- Verify that the switch is properly wired.
- Ensure the SONOFF Zigbee Hub is online and functioning correctly.
- Try re-pairing the switch with the Zigbee hub.
- Cannot connect to eWeLink app:
- Confirm your phone has a stable internet connection.
- Ensure the Zigbee hub is connected to the internet.
- Reset the switch to factory settings (refer to product documentation for specific reset procedure) and attempt pairing again.
- Stemmestyring virker ikke:
- Check if your eWeLink account is correctly linked to Alexa/Google Home.
- Ensure the device is discovered in your voice assistant app.
- Bekræft, at enhedsnavnet, der bruges i stemmekommandoer, matcher navnet i appen.
- Lights flicker or do not turn off completely (No Neutral wiring):
- Ensure the connected load meets the minimum 3W requirement for no-neutral installations.
- Consider adding a bypass capacitor if flickering persists with low-wattage LED-lys.
- Switch loses connection after power outage:
- Some Zigbee devices may require a manual button press or power cycle to reconnect to the network after a power interruption.
- Ensure your Zigbee hub has stable power and connectivity.
11. Garanti og support
For garantioplysninger og teknisk support henvises til den officielle SONOFF-side. webwebstedet eller kontakt deres kundeservice direkte. Gem din købskvittering som købsbevis i tilfælde af garantikrav.
Online ressourcer:
- Besøg SONOFF-butik på Amazon for produktinformation og opdateringer.
- Check the eWeLink app for in-app support and FAQs.





