1. Introduction
The RMshebei Tuya WIFI Intelligent Circuit Breaker is a smart device designed for comprehensive electrical management and protection. It integrates remote control, energy metering, and various safety features such as over/under voltage, over/lost current, and residual current (leakage) protection. This device also supports photovoltaic (PV) metering and smart timing functions, making it suitable for a wide range of applications in smart homes and industrial settings. This manual provides detailed instructions for its installation, setup, operation, and maintenance.
RMshebei Smart Meter & Energy Protector with key features like remote control, voice control, electricity metering, and various protections.
2. Safety Information
Please read and understand all safety instructions before installing or operating this device. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Installation and maintenance should only be performed by qualified electricians.
- Ensure the main power supply is disconnected before any installation or wiring work.
- Do not operate the device with wet hands or in damp environments.
- Verify all connections are secure and correctly wired according to the provided diagrams.
- Do not exceed the rated voltage and current specifications of the device.
- Keep the device away from children and unauthorized personnel.
3. Product Features
The RMshebei Tuya WIFI Intelligent Circuit Breaker offers a robust set of features for advanced electrical management:
- Remote Control: Turn power on/off via mobile phone anytime, anywhere.
- Voice Control: Compatible with Google Assistant and Amazon Alexa for hands-free operation.
- Electricity Metering: Real-time monitoring of current, voltage, power, and energy consumption (kWh).
- Photovoltaic (PV) Metering: View electricity input from PV generation to the State Grid (daily, monthly, yearly).
- Over/Under Voltage Protection: Adjustable thresholds for automatic power cut-off and reclosing.
- Residual Current (Leakage) Protection: Adjustable leakage current thresholds (10-99mA).
- Over/Lost Current Protection: Adjustable overcurrent thresholds (1.0A-80A) and delay settings.
- Temperature Protection: Adjustable over-temperature thresholds (10-85°C).
- Smart Multi-Timing Current Limit Protection: Adjustable from 1-80A with up to 15 programmable time slots, enhancing safety and efficiency.
- Automatic Reclosing: Configurable reclosing times and delay after a trip event.
- Multiple Timing Modes: Supports timing mode, countdown mode, cycle timing, and jog switch with up to 30 sets of timing settings.
- OTA Cloud Updates: Centralized firmware updates without individual user intervention.
- Flexible Communication: Available in WiFi Only or WiFi + RS485 Dual Mode options.
Diagram highlighting the benefits of RMshebei Smart Circuit Breakers, including flexible communication, multi-protection system, OTA updates, and factory direct benefits.
4. Specifications
| Parameter | Value |
|---|---|
| Brand Name | RMshebei |
| Model Number | WTDZW-80A/N |
| Type | Mini Circuit Breaker |
| Is Smart Device | Yes |
| Rated Supply Voltage | AC230V |
| Rated Frequency | 50/60Hz |
| Operation Voltage Range | AC80V-300V (single phase) |
| Rated Current (>A) | 1-80A (Adjustable) |
| Over Voltage (>U) | 120-300V (Adjustable, Default: 275V) |
| Under Voltage (<U) | 80-210V (Adjustable, Default: 175V) |
| Leakage Protection | 10-99mA (Adjustable to Off, Default: 50mA) |
| Over/Under Voltage Trip Delay | 0.5s |
| Over Current and Leakage Protect Times | 1-30 (Adjustable to Off) |
| Reset/Start Delay | 10s-99s |
| Power Display Range | 0-99999.9 kWh |
| Operating Temperature | -30°C to 70°C |
| Electrical Life | 105 cycles |
| Mechanical Life | 105 cycles |
| Protection Level | IP20 |
| Pollution Level | 3 |
| Altitude | <2000m |
| Working Humidity | <50% at 40°C (no condensation) |
| Backlight Time | Light |
| Data Sync Time | Up to 20 seconds (network dependent) |
| Error | 1% |
| Voltage Measurement Accuracy | 1% (not exceeding 1% of total range) |
| Rated Insulation Voltage | 400V |
| Output Contact | 1NO |
| Installation | 35mm DIN rail |
| Certification | CE, FCC, RoHS |
5. Installation
The circuit breaker is designed for installation on a standard 35mm DIN rail. Ensure the main power supply is OFF before proceeding with installation.
5.1. Physical Installation
- Mount the device securely onto a 35mm DIN rail in your electrical panel.
- Ensure adequate ventilation around the device to prevent overheating.
5.2. Wiring Diagram
Connect the device according to the following diagram. Pay close attention to the Live (L) and Neutral (N) connections for both input and output. For PV metering, ensure the PV panel and inverter are correctly integrated as shown.
Wiring diagram illustrating the PV Metering setup, connecting the State Grid, PV Panel, Inverter, and House to the smart circuit breaker.
Product dimensions and wiring diagram labels (L: Fire Line, N: Neutral Line).
6. Setup and Configuration (App)
To unlock the full smart features of your circuit breaker, you need to connect it to the Tuya Smart or Smart Life app.
6.1. App Download and Account Creation
- Scan the QR code provided in the product packaging or search for "Smart Life" or "Tuya Smart" in Google Play Store or Apple App Store.
- Download and install the app.
- Open the app and create an account using your mobile number or email address.
6.2. Device Pairing
- Ensure your mobile phone is connected to a 2.4 GHz Wi-Fi network (5 GHz networks are not supported for initial pairing).
- Enable Bluetooth on your mobile phone.
- Open the Smart Life/Tuya Smart app. On the homepage, tap the "+" button in the upper right corner.
- Select "Add Device".
- On the circuit breaker, long press the "SET" button for 3 seconds.
- After releasing the "SET" button, press the "ON/OFF" button. The display should show "3 release" or a similar indication that the device is in pairing mode.
- In the app, confirm that the indicator is blinking rapidly (refer to the app's instructions for visual confirmation).
- The app will search for nearby devices. Once your circuit breaker is detected (usually as "Smart meter"), select it.
- Follow the on-screen prompts to complete the pairing process, which may include entering your Wi-Fi password.
Image showing the device pairing process on the mobile app, including Wi-Fi network selection and indicator blinking confirmation.
Image showing the device selection (Smart meter) and adding a new device in the app.
6.3. Initial Password
The initial password for device settings is 0000. It is recommended to change this password within the app for security purposes.
7. Operation
Once installed and configured, you can operate your circuit breaker using the physical buttons on the device or through the mobile app and voice commands.
7.1. Manual Operation
- ON/OFF Button: Press to manually turn the circuit breaker ON or OFF.
- SET Button: Used for entering pairing mode and navigating local device settings (if applicable).
7.2. Remote Control via App
The Smart Life/Tuya Smart app provides comprehensive control and monitoring:
- Power Control: Remotely switch the circuit breaker ON or OFF.
- Real-time Data: View current, voltage, power, leakage current, and temperature.
- Energy Statistics: Monitor daily, monthly, and annual electricity consumption and PV generation data.
- Protection Settings: Adjust thresholds for over/under voltage, overcurrent, leakage current, and temperature protection.
- Timing Schedules: Set up various timing modes (countdown, cycle, scheduled ON/OFF) for automated control.
Mobile app interface demonstrating remote control capabilities and real-time data viewing for current, voltage, power, and leakage current.
7.3. Voice Control
Integrate your circuit breaker with voice assistants like Google Assistant or Amazon Alexa for convenient voice commands. Once linked, you can use commands such as "Alexa, turn on the [device name]" or "Hey Google, turn off the [device name]".
Image depicting voice control functionality with smart speakers (Google Home, Amazon Echo) interacting with the circuit breaker.
8. Maintenance
To ensure optimal performance and longevity of your RMshebei Intelligent Circuit Breaker, follow these maintenance guidelines:
- Regular Cleaning: Keep the device clean and free from dust and debris. Use a dry, soft cloth for cleaning.
- Connection Checks: Periodically inspect all wiring connections to ensure they are tight and secure. Loose connections can lead to poor performance or safety hazards.
- Firmware Updates: Ensure the device firmware is up-to-date through the Smart Life/Tuya Smart app to benefit from the latest features and security enhancements.
- Environmental Conditions: Ensure the operating environment remains within the specified temperature and humidity ranges.
9. Troubleshooting
If you encounter issues with your circuit breaker, refer to the following troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not powering on | No power supply; incorrect wiring. | Check main power supply. Verify wiring connections according to the diagram. |
| Unable to pair with app | Incorrect Wi-Fi band (5GHz); Bluetooth off; device not in pairing mode. | Ensure phone is on 2.4GHz Wi-Fi. Turn on Bluetooth. Follow pairing steps (Section 6.2) carefully. Reset device if necessary. |
| Device trips frequently | Overload, over/under voltage, or leakage current detected. | Check connected load. Review and adjust protection thresholds in the app (Section 7.2). Consult an electrician if issues persist. |
| Remote control not working | No internet connection; app issues. | Check Wi-Fi connectivity of the device and your phone. Restart the app or device. |
| Voice control not responding | Incorrect linking with voice assistant; poor internet connection. | Verify the device is correctly linked in your Google Home or Alexa app. Check internet connection. |
10. User Tips
- 110V Network Compatibility: This device is designed to operate within an AC voltage range of 80V-300V (single phase), making it fully compatible with 110V networks.
- Wi-Fi Network: For initial setup and consistent remote control, ensure your Wi-Fi network is 2.4GHz. Most smart devices do not support 5GHz Wi-Fi for pairing.
- Protection Settings: Take time to customize the over/under voltage, overcurrent, and leakage protection thresholds in the app to match your specific electrical system and connected appliances. This helps prevent unnecessary trips and ensures optimal safety.
- Firmware Updates: Regularly check for and install firmware updates through the app to ensure your device has the latest features and security patches.
11. Warranty and Support
For warranty information, technical support, or service inquiries, please contact RMshebei customer support or refer to the official product page. Keep your purchase receipt as proof of purchase.
You can also refer to the official user manual PDF for additional details: RMshebei User Manual (PDF)