1. Introduktion
The SONOFF DUALR3 Lite is a dual-relay Wi-Fi smart switch module designed to transform traditional switches and motorized devices into smart ones. It supports two-way control and is compatible with various smart home platforms, including Alexa and Google Assistant. This module is ideal for automating curtains, blinds, roller shutters, and other motorized facilities, offering both motor mode and switch mode functionalities.
The DUALR3 Lite has received TUV certifications, ensuring a safer and more reliable product for your home automation needs.

Figure 1: SONOFF DUALR3 Lite Smart Switch Modules
2. Säkerhetsinformation
Läs och förstå alla säkerhetsinstruktioner före installation och användning. Underlåtenhet att följa dessa instruktioner kan leda till elektriska stötar, brand eller andra faror.
- Installationen bör utföras av en kvalificerad elektriker eller fackman.
- Se till att strömförsörjningen är frånkopplad före installation eller underhåll.
- Utsätt inte enheten för fukt eller extrema temperaturer.
- Operate the device within its specified electrical ratings (100-240V AC, 10A Max).
- Förvaras utom räckhåll för barn.
3. Product Features and Applications
The DUALR3 Lite offers versatile control for various motorized and electrical appliances:
- Dual Relay Control: Independently control two devices or a single motorized device with two directions (e.g., open/close).
- Wi-Fi-anslutning: Connects to your home Wi-Fi network for remote control via the eWeLink app.
- Motorläge: Specifically designed for 100-240V AC motors, enabling smart control of curtains, blinds, roller shutters, awnings, and more. Supports four-wire AC motors (GND, Neutral, Forward, Reverse).
- Växla läge: Can also function as a standard smart switch for lights and other appliances.
- Röststyrning: Kompatibel med Amazon Alexa och Google Assistant för handsfree-användning.
- Schemaläggning och scener: Set timers, schedules, and create smart scenes for automated operation.
- Existing Switch Compatibility: Retains functionality with your existing wall switches.

Figure 2: DIY Automated Motorized Facilities with DUALR3 Lite
DUALR3 Lite vs. DUALR3 Comparison
The DUALR3 Lite is a streamlined version of the DUALR3. Key differences are outlined below:

Figure 3: Feature Comparison: DUALR3 vs. DUALR3 Lite
| Drag | DUALR3 | DUALR3 Lite |
|---|---|---|
| Power metering (monitoring, real-time & historical power statistics) | ✓ | ✗ |
| Överbelastningsskydd | ✓ | ✗ |
| Roller motor stroke calibration | ✓ | ✗ |
| Progress bar control with percentage (motor position display) | ✓ | ✗ |
| Mätarläge | ✓ | ✗ |
| Motorläge | ✓ | ✓ |
| External switch control in both Motor and Switch Mode | ✓ | ✓ |
| Växla läge | ✓ | ✓ |
Note: The roller motor requires the travel limit function.
4. Installation och installation
Before proceeding with installation, ensure the main power supply is turned off at the circuit breaker to prevent electric shock.
4.1 Kabeldragning
The DUALR3 Lite module requires connection to live, neutral, and load wires. For motorized applications, it connects to the motor's forward and reverse control wires. Refer to the wiring diagram provided in the product packaging or the eWeLink app for detailed instructions specific to your application (e.g., curtain motor, light switch).
- Input: Connect Live (L) and Neutral (N) wires from your power supply.
- Produktion: Connect Live Out 1 (L Out 1) and Live Out 2 (L Out 2) to your devices or motor.
- Extern brytare: Connect your existing wall switch to S1 and S2 terminals for manual control.
Viktig: Ensure all connections are secure and insulated. If you are unsure about electrical wiring, consult a qualified electrician.
4.2 Parkoppling med eWeLink-appen
- Ladda ner eWeLink-appen från App Store eller Google Play.
- Registrera dig och logga in på ditt eWeLink-konto.
- Power on the DUALR3 Lite module. It will automatically enter pairing mode (indicated by a blinking LED). If not, press and hold the pairing button for 5 seconds.
- In the eWeLink app, tap the '+' icon to add a device.
- Följ instruktionerna på skärmen för att ansluta enheten till ditt 2.4 GHz Wi-Fi-nätverk.
- Once connected, you can name your device and assign it to a room.
4.3 Kompatibla switchtyper
The DUALR3 Lite is designed to work with various existing switch types, allowing you to retain manual control alongside app control.

Figure 4: Compatible Existing Switch Types
5. Bruksanvisning
Once installed and paired, you can control your DUALR3 Lite using the eWeLink app, voice commands, or your existing wall switches.
5.1 Appkontroll
Open the eWeLink app to access your DUALR3 Lite. You can:
- Slå på/av enheter.
- Control motorized devices (e.g., open/close curtains, adjust position).
- Ställ in scheman och timers.
- Create smart scenes to automate actions based on conditions (e.g., time, other device status).

Figure 5: Remote Control via eWeLink App
5.2 Röststyrning
Integrate your DUALR3 Lite with Amazon Alexa or Google Assistant for convenient voice control. Link your eWeLink account in the respective assistant app and use commands such as:
- "Alexa, open the living room curtain."
- "Hej Google, släck sovrumslampan."

Figur 6: Röststyrning Example
5.3 Schemaläggning
Set up schedules to automatically open or close your curtains, blinds, or other devices at specific times. This feature enhances comfort and energy efficiency.

Figure 7: Scheduling for Automated Comfort
6. Underhåll
To ensure optimal performance and longevity of your DUALR3 Lite module:
- Håll enheten ren och fri från damm. Använd en torr, mjuk trasa för rengöring.
- Undvik att utsätta modulen för vatten eller andra vätskor.
- Regularly check the eWeLink app for firmware updates to ensure you have the latest features and security enhancements.
- Försök inte att ta isär eller reparera enheten själv. Kontakta kundsupport om problem uppstår.
7. Felsökning
If you encounter issues with your DUALR3 Lite, consider the following common solutions:
- Enhet offline: Check your Wi-Fi connection. Ensure the module is within range of your 2.4GHz Wi-Fi router. Restart the module and your router.
- Kan inte para ihop: Ensure the device is in pairing mode (blinking LED). Verify your Wi-Fi password and network type (only 2.4GHz is supported). Try resetting the device by holding the pairing button for 5 seconds.
- Motorn svarar inte: Check wiring connections to the motor. Ensure the module is in 'Motor Mode' in the eWeLink app settings. Verify the motor itself is functioning correctly.
- Röststyrning fungerar inte: Ensure your eWeLink account is correctly linked to Alexa or Google Assistant. Check the device name in the eWeLink app and use clear voice commands.
- Intermittent kontroll: This could be due to weak Wi-Fi signal. Consider relocating your router or adding a Wi-Fi extender.
For further assistance, refer to the eWeLink app's help section or contact SONOFF customer support.
8. Specifikationer
| Specifikation | Detalj |
|---|---|
| Modellnummer | DUALR3 Lite |
| Produktens mått | 1.3 x 2.68 x 4.02 tum; 4.8 uns |
| Tillverkare | SONOFF |
| Driftläge | Smart Switch |
| Aktuellt betyg | 10 Amps |
| Operation Voltage | 120 Volts (Supports 100-240V AC) |
| Kontakttyp | beröringsfri |
| Anslutningstyp | Crimp |
| Switch Typ | Rocker |
| Terminal | Skruva |
| Material | Koppar |
| trådlös standard | Wi-Fi IEEE 802.11 b / g / n 2.4GHz |
9. Garanti och support
SONOFF-produkter har vanligtvis en begränsad garanti. Se garantikortet som medföljer din produkt eller besök den officiella SONOFF-webbplatsen. webwebbplatsen för detaljerade garantivillkor.
För teknisk support, felsökning eller andra frågor, vänligen kontakta SONOFFs kundtjänst via deras officiella webwebbplatsen eller eWeLink-appens supportsektion.
Inga officiella produktvideor från säljaren hittades i den angivna informationen.





