Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your SONOFF TX T3 2-Gang Smart WiFi Wall Switch. Please read this manual carefully before installation and use to ensure proper function and safety. Keep this manual for future reference.
Safety Information
- Neutral Wire Required: This device requires a neutral wire for proper operation. If your electrical box does not have a neutral wire, consult a qualified electrician.
- 2.4 GHz WiFi Only: The switch supports only 2.4 GHz Wi-Fi networks. It is not compatible with 5 GHz networks.
- Not a Dimmer Switch: This is an ON-OFF switch and does not support dimming functions.
- Professional Installation Recommended: For safety, installation should be performed by a qualified electrician. Always turn off power at the circuit breaker before installation.
- Indoor Use Only: This device is designed for indoor use in dry locations.
- Operating Voltage: 120 Volts. Ensure your electrical system matches this requirement.
- Current Rating: 4 Amps. Do not exceed the maximum current rating.
Package Contents
Upon opening the package, verify that all items are present and undamaged:
- SONOFF TX T3 2-Gang Smart WiFi Wall Switch
- Instruction Manual (this document)
- Mounting Screws (typically included)
Image: The SONOFF TX T3 2-Gang Smart WiFi Wall Switch shown with its retail packaging. The switch is black with two touch-sensitive areas, and the box displays the SONOFF logo and compatibility with Google Play and Alexa.
Product Overview
The SONOFF TX T3 is a touch-sensitive smart wall switch designed to control your lights. It features a toughened glass panel for durability and easy cleaning.
Dimensions
Image: A technical diagram illustrating the backplate dimensions of the SONOFF TX T3 wall switch, indicating measurements of 120mm length, 74mm width, and an internal mounting distance of 85±2mm. This helps ensure compatibility with existing electrical boxes.
The switch measures 4.72 x 2.91 x 1.5 inches (120 x 74 x 38 mm) and is designed to fit standard wall boxes. Refer to the diagram for detailed measurements.
Setup
1. Electrical Installation
- Turn off Power: Before starting any electrical work, ensure the power is OFF at the circuit breaker to avoid electric shock.
- Verify Neutral Wire: Confirm that your wall box has a neutral wire (usually white or gray). This switch requires a neutral wire.
- Wiring: Connect the wires from your wall box to the corresponding terminals on the SONOFF switch. Typically:
- Live (Load) Wire to L-IN
- Neutral Wire to N
- Light Output Wire(s) to L1, L2 (for 2-gang switch)
- Ground Wire (if present) to Ground terminal
If you are unsure about wiring, consult a qualified electrician.
- Mount the Switch: Secure the switch into the wall box using the provided screws. Attach the glass front panel.
- Restore Power: Turn the power back ON at the circuit breaker.
2. App Installation and Device Pairing
The SONOFF TX T3 switch uses the eWeLink app for smart control.
- Install eWeLink App: Download and install the "eWeLink Smart Home" app from the App Store (iOS) or Google Play Store (Android).
- Register/Login: Open the app and register a new account or log in with an existing one.
- Enter Pairing Mode: On the switch, press and hold one of the touch buttons for approximately 5-7 seconds until the Wi-Fi indicator light starts flashing rapidly. This indicates pairing mode.
- Add Device in App: In the eWeLink app, tap the "+" icon or "Add Device". Follow the on-screen instructions.
- Connect to 2.4GHz WiFi: Enter your 2.4GHz Wi-Fi network name (SSID) and password when prompted. Ensure your phone is also connected to the 2.4GHz network during pairing.
- Complete Pairing: The app will search for and connect to the switch. Once connected, you can rename the device and assign it to a room.
Image: A visual guide showing the four steps for pairing the SONOFF smart switch with the eWeLink app: 1. Install and login, 2. Tap to add device, 3. Enter 2.4GHz WiFi password, 4. Discover and add device.
No Hub Required: This smart switch connects directly to your 2.4GHz Wi-Fi network, eliminating the need for a separate smart home hub.
Image: A smartphone displaying the eWeLink app next to a Wi-Fi router, illustrating that the SONOFF smart switch connects directly to your home Wi-Fi without needing an additional hub.
Operating Instructions
1. Manual Touch Control
Simply touch the designated areas on the glass panel to turn the connected lights ON or OFF. The blue LED indicators will show the current status of each gang.
2. eWeLink App Control
Once paired, you can control your lights from anywhere using the eWeLink app on your smartphone or tablet. The app allows you to:
- Turn lights ON/OFF remotely.
- Check the real-time status of your lights.
- Set schedules and timers.
- Create smart scenes with other eWeLink compatible devices.
Image: A man outdoors using his smartphone to control lights inside his home via the eWeLink app, demonstrating remote control capabilities.
3. Voice Control (Alexa & Google Home)
Integrate your SONOFF switch with Amazon Alexa or Google Home for convenient voice control. Link your eWeLink account within the Alexa or Google Home app, then use simple voice commands like:
- "Alexa, turn on the living room light."
- "Hey Google, turn off the kitchen lights."
Image: A woman in a dining area interacting with an Amazon Echo Dot, demonstrating hands-free voice control of a SONOFF smart wall switch to turn on a light.
4. RF433 Remote Control
The TX T3 switch supports RF433MHz remote control, offering an additional method for local control without needing Wi-Fi or the app. Pair a compatible RF433 remote (sold separately) with your switch according to the remote's instructions.
Image: A hand holding an RF433 remote control, pointing towards a SONOFF smart wall switch installed in a bedroom, illustrating an alternative control method.
5. Timer and Schedule Functions
Automate your lighting by setting up schedules and timers within the eWeLink app. You can schedule lights to turn ON/OFF at specific times, at sunrise/sunset, or after a set duration.
Image: A man sleeping peacefully in bed, with an overlay graphic indicating a timer set for 23:00 to turn off the lights, demonstrating the scheduling feature for convenience.
6. Family Sharing
Share control of your smart switch with family members through the eWeLink app. This allows multiple users to manage the lights from their own devices.
Image: Two individuals looking at a smartphone displaying the eWeLink app's sharing interface, indicating the ability to share control of smart devices with family members.
7. LAN Control
For TX series switches, LAN control allows you to operate appliances even without an active internet connection, provided your devices are on the same local network. This ensures continued functionality during Wi-Fi outages.
Image: A floor plan diagram showing multiple smart switches connected via a local area network (LAN), highlighting the ability to control devices even without an internet connection.
Maintenance
- Cleaning: The toughened glass panel is easy to clean. Use a soft, damp cloth to wipe the surface. Avoid abrasive cleaners or harsh chemicals.
- Firmware Updates: Periodically check the eWeLink app for firmware updates for your switch. Updates can improve performance and add new features.
- Environmental Conditions: Ensure the switch is not exposed to excessive moisture or extreme temperatures.
Image: A hand wiping a white SONOFF smart wall switch with a blue cloth, demonstrating the ease of cleaning the toughened glass panel.
Troubleshooting
| Problem | Possible Cause / Solution |
|---|---|
| Switch not responding to touch. |
|
| Cannot pair with eWeLink app. |
|
| Voice control not working. |
|
| Lights flicker or don't turn on/off correctly. |
|
Specifications
| Feature | Detail |
|---|---|
| Brand | SONOFF |
| Model Number | T3US2C |
| Product Dimensions | 4.72 x 2.91 x 1.5 inches (120 x 74 x 38 mm) |
| Weight | 6.74 ounces |
| Operation Mode | ON-OFF |
| Current Rating | 4 Amps |
| Operating Voltage | 120 Volts |
| Contact Type | Normally Closed |
| Connector Type | Crimp |
| Terminal | Screw |
| Circuit Type | 1-way |
| Actuator Type | Smart Touch |
| Wireless Connectivity | 2.4 GHz Wi-Fi (IEEE 802.11 b/g/n) |
| RF Control | RF433MHz |
| Compatibility | Amazon Alexa, Google Home, IFTTT, eWeLink App |
Warranty and Support
SONOFF products typically come with a limited warranty. Please refer to the warranty card included with your product or visit the official SONOFF website for detailed warranty terms and conditions.
For technical support, troubleshooting assistance, or further inquiries, please visit the SONOFF support page or contact their customer service directly. Contact information can usually be found on the product packaging or the official SONOFF website.
Note on Video Content: The provided product data indicates the presence of videos; however, specific URLs for embedding these videos were not available in the provided information. Therefore, no video content could be embedded in this manual.
