1. Introduction
This manual provides essential information for the safe and effective installation, operation, and maintenance of your DIANQI 230V Din Rail Over/Under Voltage Current Protector. This device is designed to protect household electrical appliances from damage caused by voltage fluctuations (over-voltage and under-voltage) and over-current conditions. Please read this manual thoroughly before use and retain it for future reference.
Figure 1: Front view of the V-Protector
2. Specifications
The following table details the technical specifications of the V-Protector:
Figure 2: Product Information
| Feature | Value |
|---|---|
| Working Voltage | 230V~40-70HZ |
| Rated Current | 40A / 63A (model dependent) |
| Self Resetting/Delay Time | 1-600S |
| Over-voltage Range | 130-300V |
| Under-voltage Range | 80-210V |
| Installation | 35mm DIN Rail |
| Measurement Accuracy | 1% ± 3 |
| Type | Mini |
| Model Number | Voltmeter Protector Relay |
Dimensions:
- Height: 86.2mm
- Width: 38.5mm
- Depth: 66.5mm (overall), 46mm (main body depth), 37mm (DIN rail clip height)
Figure 3: Product Dimensions
3. Components
The V-Protector consists of the following main components:
- Digital Display: Shows real-time voltage and current values, and setting parameters.
- Control Buttons: 'M' (Menu), Up arrow, Down arrow, Power button.
- Input Terminals: N (Neutral) and L (Live) for power input.
- Output Terminals: N (Neutral) and L (Live) for protected load output.
- DIN Rail Clip: For easy installation on a 35mm DIN rail.
Figure 4: Control Panel Detail
4. Installation
Safety Warning: Installation should only be performed by a qualified electrician. Ensure the main power supply is disconnected before installation to prevent electric shock.
- Mounting: The V-Protector is designed for 35mm DIN rail installation. It can be installed inside a regular meter box.
- Wiring: Connect the V-Protector according to the wiring diagram below. Ensure correct polarity for Neutral (N) and Live (L) connections for both input (Power in) and output (Output) terminals. The V-Protector should be connected in series with the circuit breaker protecting the load.
- Secure Connections: Ensure all wire connections are tight and secure to prevent loose contacts and potential hazards.
Figure 5: DIN Rail Installation
Figure 6: Wiring Diagram
5. Operation
Once installed and power is restored, the V-Protector will display the current voltage. You can adjust various protection parameters using the control buttons.
5.1. Parameter Settings
Use the 'M' button to cycle through the setting menu options (P-1, P-3, P-4, P-5, P-6). Use the Up and Down arrow buttons to adjust the values for each parameter. The Power button can be used to confirm settings or exit the menu.
Figure 7: Setting Menu Parameters
| Option | Function | Maximum | Minimal | Default Value | Note |
|---|---|---|---|---|---|
| P-1 | Power-on delay | 600 | 1 | 5 | s (seconds) |
| P-3 | Overpressurization | 300 | 130 | 270 | Greater than 300V shutdown overvoltage |
| P-4 | Undervoltage | 210 | 80 | 170 | Close undervoltage below 80V |
| P-5 | Overvoltage and undervoltage active time | 30 | 1 | 1 | Default 1-second action |
| P-6 | Recovery delay | 600 | 1 | 30 |
5.2. Restore Factory Settings
To restore the V-Protector to its factory default settings:
- Push the Power button to turn off the load.
- Long press the Power button for 5 seconds.
5.3. Product Overview Video
Video 1: Overview of the V-Protector's features and operation.
6. Maintenance
The V-Protector requires minimal maintenance. Keep the device clean and free from dust. Periodically check the wiring connections to ensure they remain secure. Do not attempt to open or repair the device yourself, as this may void the warranty and pose a safety risk.
7. Troubleshooting
If you encounter issues with your V-Protector, refer to the following common problems and solutions:
- Device not powering on: Check the main power supply and ensure all wiring connections are correct and secure.
- Frequent tripping: Review your set over-voltage, under-voltage, and over-current parameters. They might be set too sensitively for your electrical environment. Adjust the delay times (P-1, P-6) if necessary.
- Incorrect voltage/current reading: Ensure the device is correctly wired and that the input voltage is within the specified working range.
- Device unresponsive: Try restoring to factory settings (refer to section 5.2). If the issue persists, contact customer support.
8. User Tips
No specific user tips were available from reviews or Q&A data for this product. Always ensure professional installation and adhere to local electrical codes.
9. Warranty and Support
For warranty information and technical support, please refer to the seller's policies or contact the point of purchase. Keep your purchase receipt as proof of purchase.
