1. Overview
This smart IoT device is designed for single-phase circuits (AC110V or 220V/230V, 50/60Hz, up to 63A) in residential, commercial, and industrial settings. It functions as a bi-directional two-way meter, capable of measuring both positive active energy consumption from the grid and negative active energy from solar power systems. Key features include remote control, adjustable protection settings (over/under voltage, overcurrent, residual current/leakage, high temperature), auto-reclosing functionality, programmable timing control, and device sharing via the mobile application. It supports local manual control and voice control through AI speakers like Amazon Alexa, Google Assistant, and Yandex Alice.
2. Specifications
| Feature | Description |
|---|---|
| Poles | Single phase 2P |
| Rated Voltage | AC110V or 220V/230V |
| Rated Current | 1~63A (adjustable) |
| Frequency | 50/60Hz |
| Display | LCD with backlight |
| Mounting | 35mm DIN-rail |
| Dimensions (W x H x D) | 36mm x 85mm x 65mm |
| Communication Method | Wi-Fi (2.4G) |
| Certification | CE, FCC, RoHS, KC, WEEE |
Dimensions Diagram:
Figure 1: Device Dimensions
3. Safety Information
Please read and understand all safety instructions before installation and operation. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Installation should only be performed by a qualified electrician.
- Ensure power is disconnected at the main circuit breaker before any installation or wiring.
- Do not operate the device if it is damaged or malfunctioning.
- This device is designed for indoor use in dry environments.
- Do not exceed the specified rated voltage and current.
- Keep out of reach of children.
4. Setup
4.1 Wiring Diagram
Ensure correct wiring according to your system type (AC only or AC + PV). Always disconnect power before wiring.
Application 1: Used in AC system (One-Way meter)
Figure 2: AC System Wiring
Application 2: Used in AC + PV system (Two-Way meter)
Figure 3: AC + PV System Wiring
4.2 App Download and Device Pairing
- Download and Install App: Download and install the 'Tuya Smart' or 'Smart Life' app on your mobile device. Register an account if you don't have one.
- Enter Pairing Mode: Power on the meter. After a time delay countdown, the device will auto-close. Long press the 'WiFi' button for a few seconds until the signal indicator flashes rapidly to enter pairing mode.
- Add Device in App:
Figure 4: App Download and Pairing Mode
Open the Tuya Smart app. Tap '+' to add a device. The app may automatically discover the device. If not, select 'Electrical' -> 'Breaker' or 'Socket (Wi-Fi)'.
Figure 5: Adding Device in App
- Connect to Wi-Fi: Enter your 2.4G Wi-Fi network name and password when prompted in the app.
- Device Added: Once successfully added, the app will confirm. Tap 'Done'.
Figure 6: Device Added Successfully
Video: Device Pairing and Basic Control Demonstration
Video 1: Demonstrates the process of pairing the device with the mobile app and basic control functions.
5. Operating Instructions
5.1 Control Options
The device offers four primary control methods:
- Remote Control (Mobile App): Control your devices anytime, anywhere using the Tuya Smart or Smart Life app.
Figure 7: Remote Control via Mobile App
- Voice Control (AI Speaker): Integrate with AI speakers like Amazon Alexa, Google Assistant, or Yandex Alice to control your devices using voice commands.
Figure 8: Voice Control Integration
- Timing Control (Programmable Schedule): Set schedules for automatic on/off operations to optimize energy usage. The app supports Countdown, Schedule, Cycle Time, and Inching modes.
Figure 9: Timing Control Modes
- Manual Control: Directly operate the device using the physical buttons on its front panel.
Figure 10: Manual Control
An overview of the control options is shown below:
Figure 11: Four Control Options
5.2 Monitoring and Bi-directional Measuring
The mobile app allows you to monitor real-time electricity statistics including Current (A), Voltage (V), Power (kW), and Temperature (°C). It also provides electricity statistics (kWh) on an hourly, daily, monthly, and yearly basis.
The device supports bi-directional measuring, tracking both positive active energy consumed from the utility grid and negative active energy generated from a solar PV system.
Figure 12: Visible Consumption Data in App
Figure 13: Bi-directional Measuring Application
5.3 Prepaid Metering Mode
The device supports an optional prepaid metering mode. In the app's 'Expense management' section, you can enable/disable prepayment, view balance energy, charge energy, recharge records, and clear energy data. Access to these settings may require a password for security.
Figure 14: Prepaid Metering Settings
5.4 Device Sharing
You can share control of the device with family members or team members through the mobile app, allowing multiple users to manage the smart home system.
Figure 15: Device Sharing Feature
6. Adjustable Protections
The device offers comprehensive protection features, configurable via the mobile app:
- Overcurrent Protection: Adjustable from 1~63A (default 63A). Alarm can be disabled.
- Over Voltage Protection: Adjustable from 120~300V (default 275V). Alarm can be disabled.
- Under Voltage Protection: Adjustable from 80~210V (default 175V). Alarm can be disabled.
- Residual Current (Leakage) Protection: Adjustable from 10~99mA (default 50mA). Alarm can be disabled.
Figure 16: Leakage Protection
- High Temperature Protection: Adjustable from 10~85℃ (default 80℃). Alarm can be disabled.
These settings can be accessed and modified within the app's 'Alarm settings' section.
Figure 17: Adjustable Protection Settings
6.1 Auto-Reclosing Function
The device features auto-reclosing, which automatically restores power after a protected condition (e.g., overvoltage) recovers. This helps ensure an uninterrupted power supply and reduces the need for manual intervention. This feature can be disabled if not desired.
- Reclosing Time Delay: Adjustable from 1~99 seconds (default 30 seconds).
- Reclosing Times Allowed: Adjustable from 1~30 times (default 5 times).
Figure 18: Auto-Reclosing Settings
7. Maintenance
- Regularly check the device for any visible damage or loose connections.
- Keep the device clean and free from dust and moisture.
- Ensure the surrounding area is well-ventilated to prevent overheating.
- Periodically check the app for firmware updates to ensure optimal performance and security.
8. Troubleshooting
| Problem | Possible Cause / Solution |
|---|---|
| Device not pairing with app | Ensure the device is in fast-flashing pairing mode. Check your Wi-Fi network is 2.4GHz. Verify Wi-Fi password. Move device closer to router. |
| Device offline in app | Check Wi-Fi connection. Ensure the device has power. Restart the device and router. |
| Device trips frequently | Check alarm settings (overcurrent, over/under voltage, leakage, temperature). Adjust thresholds if necessary, or investigate the connected load for faults. |
| Display shows '0.0' or no data | Verify correct wiring and power supply. Ensure a load is connected and drawing power. |
| Cannot reset factory settings | Refer to the app's device settings for a 'Reset' option or consult the manufacturer's support for specific button sequences if not available in the app. |
| Blinking malfunction indicator | A blinking indicator usually signifies an alarm condition (e.g., overcurrent, overvoltage, leakage). Check the device's display or the app's alarm records for details on the specific malfunction. Address the underlying issue or adjust protection settings if appropriate. |
| Unable to limit output to grid | This device measures bi-directional energy but does not inherently limit output to the grid. Any grid export limitations would typically be managed by your solar inverter or utility grid connection equipment, not directly by this meter. |
9. User Tips
- Regular Monitoring: Utilize the app's real-time monitoring and historical data features to track your energy consumption and generation patterns. This can help identify energy-saving opportunities.
- Optimize Protection Settings: Customize the over/under voltage, overcurrent, and leakage protection thresholds to match your specific electrical setup and connected appliances for optimal safety and performance.
- Leverage Timing Schedules: Use the timing control features to automate the switching of appliances, reducing manual effort and potentially saving energy during off-peak hours.
- Prepaid Mode Management: If using the prepaid mode, regularly check your balance energy in the app to avoid unexpected power cuts.
- Stay Updated: Keep the Tuya Smart/Smart Life app and the device firmware updated to benefit from the latest features and security enhancements.
10. Warranty & Support
For warranty information and technical support, please refer to the seller's policies or contact the manufacturer directly. Keep your purchase receipt as proof of purchase.