1. Introduction
The TOMZN TOVA-63T is a smart WiFi-enabled circuit breaker and energy protector designed for real-time monitoring and control of electrical circuits. It integrates multiple protection functions, energy metering, and smart timing features, all controllable via the Tuya APP. This device is suitable for use with L N 110V/220V AC systems.
Key Features:
- Remote ON/OFF control via smartphone.
- Real-time display and monitoring of current, voltage, leakage current, total kWh, power factor, and frequency.
- Timer, Schedule, Circulate, and Inching functions for intelligent time control.
- Multiple adjustable protection settings: Overload, Over Voltage, Under Voltage, Over Current, Leakage Current, and High Temperature.
- Three Smart Relay Modes: ON (auto-restart), OFF (stays off), and MEMORY (remembers last state).
- Password protection for parameter settings.
- Clear LCD display for precise readability.
- Prepaid function for expense management.
2. Safety Information
Warning: To avoid danger of suffocation, keep packaging away from babies and children. Do not use packaging in cribs, beds, carriages, or playpens. This packaging is not a toy.
General Precautions:
- Do not place the device near flammable materials.
- Ensure adequate ventilation during operation to prevent overheating.
- Disconnect the device from power and store it properly when not in use for extended periods.
- This device is intended for indoor use only.
Applicable Regulations and Harmonized Standards:
- Low Voltage Directive (LVD) 2014/35/EU
- EN IEC 60947-1:2021
- EN IEC 60947-3:2021
3. Specifications
| Parameter | Value |
|---|---|
| Product Name | Circuit breaker |
| Model Number | TOVA-63T |
| Protection Pole Number | 2P+N (N pole not disconnected) |
| Rated Voltage Range | 80-300V AC (50/60Hz) |
| Working Current Range | 1A-63A (adjustable) |
| Rated Load | General electric apparatus ≤13000W, electric motor ≤6000W |
| Native Power Consumption | ≤2W |
| kWh Range | 0-99999.9kWh |
| Overvoltage Protection Value | 120V-300V (adjustable, default: 270V) |
| Undervoltage Protection Value | 80V-210V (adjustable, default: OFF) |
| Overcurrent Protection Value | 1A-63A (adjustable, default: 63A) |
| Leakage Protection Value | 0mA-99mA (adjustable, default: 0mA) |
| Overload Protection | 1-17kW (adjustable, default: 13kW) |
| High Temperature Protection | 1-200℃ (adjustable, default: 80℃) |
| Reconnect Time (Delay On) | 0s-500s (adjustable, default: 10s) |
| Reclosure Times Limit | 1-30 times (default: 5 times) |
| Working Temperature | -40℃~100℃ |
| Product Size (L*W*H) | 84mm * 36mm * 65mm (approx. 36mm*50mm*82mm from OCR) |
| Communication Protocol | WIFI (2.4G only, NOT for 5G) |
4. Installation
Important: Installation should be performed by a qualified electrical professional. Ensure the main power supply is turned off before installation.
Wiring Instructions:
- Turn off the main power supply to your home or the circuit where the device will be installed.
- Connect the incoming live wire (L) to the 'L IN' terminal and the incoming neutral wire (N) to the 'N IN' terminal on the top of the device.
- Connect the outgoing live wire (L) to the 'L OUT' terminal and the outgoing neutral wire (N) to the 'N OUT' terminal on the bottom of the device.
- Ensure all connections are secure and correctly wired according to the diagram.
Initial Setup and Network Configuration:
- After wiring, restore power to the circuit. The device's display should light up.
- Download the Tuya APP (or Smart Life APP) on your mobile phone. You can scan the QR code provided in the manual or search for it in your app store.
Scan to Download Tuya APP. - Ensure your mobile phone is connected to a 2.4GHz WiFi network (5GHz networks are not supported) and Bluetooth is enabled.
- Open the Tuya APP. The device should automatically be detected and a matching object may pop up. If not, click the "+" sign in the upper-right corner to add a device manually.
- Follow the in-app instructions to enter your WiFi network name and password.
- Once successfully connected, the device's WiFi indicator light will change from slowly flashing blue to a constant blue.
5. Operation
Device Display and Controls:
- Signal Light: Indicates device status.
- Power Light: Indicates power status.
- Display: Shows real-time kWh, Voltage (V), Ampere (A), and Leakage value (mA).
- SET Button: Press to cycle through display functions or long-press for more settings.
- Adjustment Keys (Up/Down Arrows): Used to adjust values in settings mode.
- Manual Switch (Power Button): Turns the device ON/OFF manually. Long press for 5 seconds to pair WiFi.
Real-time Data Display:
The device's LCD screen and the Tuya APP provide real-time monitoring of electricity consumption. You can view current, voltage, power, and leakage values directly on the device. The app offers more detailed statistics, including historical data by day, month, and year.
Remote Control and Smart Functions via Tuya APP:
- Remote ON/OFF: Control the power supply from anywhere using your phone.
- Timer Function: Set specific times for the device to turn ON or OFF.
- Schedule Function: Create detailed schedules for power management.
- Circulate Function: Set repetitive ON/OFF cycles.
- Inching Function: Configure the device to turn on for a brief period and then automatically turn off.
- Countdown Function: Set a countdown timer for automatic power off.
- Operation & Alarm Records: View historical operation logs and alarm events (e.g., power outage, leakage alarm) within the app.
6. Settings and Protection Functions
The TOVA-63T offers extensive customization for protection parameters and operational modes, accessible both from the device's display and the Tuya APP.
Adjusting Settings on the Device:
Long-press the SET button on the device to enter the settings menu. Use the Up/Down arrow keys to navigate through parameters such as overvoltage, undervoltage, overcurrent, recloser restoration delay, leakage settings, and background light time. Press SET again to confirm changes or move to the next parameter.
Protection Settings via Tuya APP:
The Tuya APP allows for comprehensive configuration of all protection parameters, including delay times, and offers password protection for security.
- Overload Protection: Adjustable from 1-17kW (default: 13kW), with a delay of 1-500s (default: 1s).
- Under Voltage Protection: Adjustable from 80V-210V (default: OFF), with a delay of 1-500s (default: 1s).
- Over Voltage Protection: Adjustable from 120V-300V (default: 270V), with a delay of 1-500s (default: 1s).
- Over Current Protection: Adjustable from 1A-63A (default: 63A), with a delay of 1-500s (default: 1s).
- Leakage Protection: Adjustable from 0mA-99mA (default: 0mA), with a delay of 0.1-10s (default: 0.1s).
- High Temperature Protection: Adjustable from 1-200℃ (default: 80℃), with a delay of 1-500s (default: 1s).
- Reconnect Time (Delay On): Adjustable from 0s-500s (default: 10s).
- Reclosure Times Limit: Adjustable from 1-30 times (default: 5 times).
- Time Period Rate Limiting: Set different overcurrent values for specific time periods.
- Voltage/Current/kW Calibration: Fine-tune readings from -9.9% to 9.9%.
- Action Time: Adjustable from 1-30s (default: 0.5s).
Relay Modes:
The device supports three smart relay modes for power recovery:
- ON: Auto-restarts when power returns.
- OFF: Stays off after reconnection.
- MEMORY: Remembers its last state for seamless operation.
Password Protection:
To prevent unauthorized modification of parameters, you can set a password within the Tuya APP. This password will be required when changing key settings.
7. Maintenance
- Regularly check the device for any visible damage or loose connections.
- Keep the device clean and free from dust and moisture. Use a dry, soft cloth for cleaning.
- Ensure the area around the device has adequate ventilation to prevent heat buildup.
- If the device is not in use for an extended period, disconnect it from the power supply.
Restore Factory Settings:
If you encounter persistent issues or wish to reset all parameters, you can restore the device to factory settings via the Tuya APP. This can fix errors or misconfigurations instantly without technical skills.
8. Troubleshooting
- Device not powering on: Check main power supply and wiring connections. Ensure the manual switch is in the ON position.
- Cannot connect to WiFi:
- Ensure your router is broadcasting a 2.4GHz WiFi signal. 5GHz networks are not supported.
- Verify your phone is connected to the 2.4GHz network and Bluetooth is enabled during pairing.
- Check WiFi signal strength at the device's location.
- Try long-pressing the manual switch (power button) for 5 seconds to re-enter WiFi pairing mode.
- Ensure correct WiFi password entry in the app.
- Device trips frequently: Check the protection settings (overload, overcurrent, over/under voltage, leakage, high temperature) in the app. Adjust thresholds if they are too sensitive for your load. Review alarm records in the app to identify the cause of tripping.
- Display backlight is off: Check the 'BACKGROUND LIGHT TIME' setting on the device or in the app's screen settings.
- Device not responding to app commands: Check WiFi connection status. Ensure the device is online in the app. Restart the app or the device if necessary.
- Incorrect readings (Voltage/Current/kWh): Use the Voltage/Current/kW calibration function in the app to fine-tune the readings if you suspect inaccuracy.
9. User Tips
- Backlight Control: If you have the version with backlight, you can adjust or disable the backlight duration through the device's settings menu (long-press SET) or via the app's screen settings.
- Auto-Reconnect Feature: Utilize the 'ON' relay mode for automatic power restoration after an outage, which is convenient for critical loads.
- Energy Monitoring: Regularly check the electricity consumption statistics in the app (daily, monthly, yearly) to identify energy usage patterns and potential savings.
- Password Protection: Always set a password for the device parameters in the app to prevent unauthorized changes, especially in shared environments.
- Leakage Protection: While this device offers leakage protection, it is recommended to consult with an electrician to ensure your electrical system meets all local safety standards, which may include dedicated Residual Current Devices (RCDs) for comprehensive protection.
10. Frequently Asked Questions (FAQ)
- Q: Does this device replace a Residual Current Device (RCD/UZO)?
- A: The TOVA-63T includes adjustable leakage protection (0mA-99mA), which functions similarly to an RCD. However, always consult local electrical codes and a qualified electrician to ensure your installation meets all required safety standards, as specific RCD types may be mandated for certain applications.
- Q: Does it measure energy generation or only consumption?
- A: This device is designed to measure energy consumption (kWh) and related parameters like current, voltage, and power factor. It does not measure energy generation.
- Q: How do I reset the device to factory settings?
- A: You can restore factory settings through the Tuya APP. Navigate to the device settings within the app and look for the 'Restore factory settings' option.
- Q: How do I reconnect the device to a different Wi-Fi network?
- A: To connect to a new Wi-Fi network, you will need to repeat the network configuration steps (Section 4. Initial Setup and Network Configuration). This typically involves putting the device into pairing mode (long-press the manual switch for 5 seconds) and adding it again via the Tuya APP.
- Q: What is the operating temperature range for this device?
- A: The device is designed to operate within a temperature range of -40℃ to 100℃.
- Q: Does the circuit breaker automatically reconnect after a trip?
- A: Yes, the device supports three relay modes. If set to 'ON' mode, it will auto-restart when power returns. You can also configure the 'Reconnect time' and 'Reclosure Times Limit' in the app.
11. Warranty and Support
For warranty information, technical support, or service inquiries, please contact TOMZN Official Store directly through the platform where you purchased the product. Ensure you have your purchase details and model number (TOVA-63T) ready when contacting support.
Manufacturer: TOMZN ELECTRIC CO.,LTD.
Address: No.11, Xinhe Road, Huabei, Liushi Town, Yueqing City, Zhejiang Province, China
Service Hotline: 4006-020-158
Website: www.tomzn.com
