1. Product Overview
The Lioaeust Smart WiFi Circuit Breaker is an advanced electrical device designed for remote control and intelligent circuit protection. It integrates seamlessly with the eWelink application, allowing users to manage their electrical appliances from anywhere. This device offers features such as overload, short-circuit, and over-voltage protection, enhancing safety and convenience in your home or office.

Figure 1: Lioaeust Smart WiFi Circuit Breaker (Model SR263WE)
2. Key Features
- Remote Control: Control your electrical devices from anywhere using your smartphone via the eWelink app.
- Smart Button Design: Features an intelligent button design resistant to electromagnetic interference, ensuring smooth and efficient operation.
- Multifunction Indicator: Provides visual indication for leakage protection and self-check capabilities, enhancing electrical system safety.
- Anywhere Control Switch: A single-touch switch allows real-time monitoring of home appliance status. Turn devices on/off at your convenience.
- Smart Voice Control: Compatible with mainstream smart speakers for hands-free voice control of your connected devices.
- Timed On/Off: Supports various smart modes including timer, delay, and cycle timing. Automate lights, humidifiers, and other appliances for energy saving and convenience.
- Circuit Protection: Offers essential protection against overloads, short-circuits, and over-voltage conditions.
3. Specifications
| Parameter | Value |
|---|---|
| Product Name | WiFi Circuit Breaker |
| Model | SR263WE |
| Functions | Overload protection, Short-circuit protection, Over-voltage protection |
| Poles | 2P |
| Rated Frequency | 50 Hz |
| Rated Voltage | 230V AC (adjustable) |
| Wireless Type | Wi-Fi 2.4GHz (5GHz not supported) |
| Rated Current Options | 16A, 25A, 32A, 40A, 50A, 63A |
| Communication Mode | WiFi |
| Standard | IEC 60947, IEC 60898 |
| Dimensions (L x W x H) | 9 x 7 x 4 cm |
| Mounting Type | DIN Rail Mount |
Important Note: This model does not include an energy meter function. It is not possible to set or view current, voltage, or power readings within the application.

Figure 2: Product Dimensions (36mm width, 89mm height, 66mm depth)
4. Setup and Installation
Follow these steps to set up your Lioaeust Smart WiFi Circuit Breaker:
- Download and Install eWelink App:
Download the eWelink application from your mobile device's app store. Install the app and register for an account, then log in.
Figure 3: eWelink App Download and Registration
- Add Device in App:
Once logged in, click on the "+" key (usually located in the middle or lower part of the app interface) to add a new device. Follow the on-screen instructions within the app.
Figure 4: Adding a Device in the eWelink App
- Enable Bluetooth and Connect to WiFi:
Ensure Bluetooth is enabled on your smartphone. Connect your phone to a 2.4GHz WiFi network. The device only supports 2.4GHz WiFi. Make sure your router is configured for this frequency.
Figure 5: WiFi Network Selection (2.4GHz only)
- Pairing the Device:
After physically connecting the circuit breaker, long-press the blue button on the device for approximately 5 seconds. The button indicator will begin to flash rapidly, indicating it is in pairing mode. Bring your smartphone close to the WiFi router and the device to facilitate connection.
Figure 6: Initiating Device Pairing
5. Operating Instructions
Once successfully paired, you can operate your Smart WiFi Circuit Breaker using the eWelink app or voice commands:
- Remote On/Off: Open the eWelink app, select your device, and tap the power icon to turn the connected circuit on or off remotely.
- Scheduling and Timers: Utilize the app's scheduling features to set up timers, countdowns, or recurring schedules for automatic operation of your appliances. For example, set lights to turn on automatically at dusk or off after a set delay.
- Voice Control: If integrated with a smart speaker (e.g., Amazon Alexa, Google Assistant), use voice commands to control the circuit breaker. Refer to your smart speaker's instructions for linking eWelink accounts.
- Real-time Status: The app provides real-time status updates of the circuit breaker, allowing you to verify if the circuit is on or off.
6. Maintenance
To ensure optimal performance and safety of your circuit breaker, regular maintenance is recommended:
- Monthly Test: Press the 'Test monthly' button (orange 'T' button) on the device to perform a self-test of the leakage protection function. This ensures the safety mechanism is working correctly.
- Cleaning: Keep the device clean and free from dust. Use a dry, soft cloth for cleaning. Do not use liquid cleaners or solvents.
- Environmental Conditions: Ensure the device is installed in a dry environment, away from direct sunlight, excessive heat, or moisture.

Figure 7: Monthly Test Button for Leakage Protection
7. Troubleshooting
If you encounter issues with your Smart WiFi Circuit Breaker, refer to the following common problems and solutions:
- Device Not Connecting to WiFi:
- Ensure your WiFi network is 2.4GHz. This device does not support 5GHz networks.
- Check if your WiFi password is entered correctly in the eWelink app.
- Make sure the device is in pairing mode (blue indicator flashing rapidly).
- Move the device closer to your WiFi router during the pairing process.
- Restart your WiFi router and try pairing again.
- Device Offline in App:
- Verify that your home WiFi network is active and stable.
- Check if the circuit breaker has power.
- If the issue persists, try re-pairing the device with the app.
- Cannot Set Current/Voltage/Power in App:
- This model (SR263WE) does not have an energy metering function. Therefore, it is not designed to display or allow adjustment of current, voltage, or power readings within the eWelink application. This is normal operation for this specific model.
- Voice Control Not Working:
- Ensure your eWelink account is correctly linked to your smart speaker service (e.g., Alexa, Google Home).
- Check your internet connection.
- Verify that the voice commands are correctly phrased according to your smart speaker's requirements.
8. Warranty and Support
For product support, technical assistance, or warranty inquiries, please contact the manufacturer, Lioaeust, through their official channels or the retailer from whom you purchased the product.
Please note that information regarding spare parts availability for this product is currently unavailable.




