1. Introduction
The GHSOGEOM TOSVA-16 is an automatic voltage and current protector socket designed to safeguard electrical appliances from power fluctuations. It provides comprehensive protection against overvoltage, undervoltage, and overcurrent conditions, ensuring the longevity and safe operation of connected devices. This device features adjustable protection parameters and automatic recovery, making it suitable for various AC 110V and 220V applications.
This manual provides detailed instructions for the installation, operation, and maintenance of your TOSVA-16 protector.
2. Product Overview
Figure 1: Front view of the TOSVA-16 Automatic Voltage and Current Protector Socket. This image displays the compact design of the protector, featuring a digital display for voltage and current readings, and control buttons for parameter adjustment.
3. Key Features
The TOSVA-16 protector offers the following functions:
- Overvoltage Protection: Automatically disconnects power when voltage exceeds a set limit.
- Undervoltage Protection: Automatically disconnects power when voltage drops below a set limit.
- Overcurrent Protection: Automatically disconnects power when current exceeds a set limit.
- Automatic Recovery: Restores power automatically after voltage or current returns to normal range and a set delay.
- Voltage Display: Real-time display of the current voltage (voltage measurement).
- Current Display: Real-time display of the current (current measurement).
- Adjustable Voltage Calibration: Allows fine-tuning of voltage readings within ±9.5%.
- Factory Reset Function: Option to restore default settings.
- Fault Inquiry: Ability to check past fault conditions.
4. Technical Specifications
| Parameter | Value/Range |
|---|---|
| Model | TOSVA-16 |
| Power Supply | 90-300VAC 50/60Hz |
| Maximum Load Power | 1~16A adjustable (default 16A) |
| Overvoltage Protection Value Range | 100V~300V~OFF (default 270V) |
| Overvoltage Recovery Voltage Range | 95V-295V (default 265V) |
| Overvoltage Protection Action Time | 0.1s~30s (default 0.5s) |
| Overvoltage Recovery Delay Time | 1s~500s (default 30s) |
| Undervoltage Protection Value Range | 80V--210V--OFF (default 170V) |
| Undervoltage Recovery Voltage Range | 85V-215V (default 175V) |
| Undervoltage Protection Action Time | 0.1s~30s (default 0.5s) |
| Undervoltage Recovery Delay Time | 1s~500s (default 30s) |
| Overcurrent Adjustment Range | 1-16A (default 16A) |
| Overcurrent Action Range | 0.1~30 seconds (default 0.5 seconds) |
| Overcurrent Recovery Delay Time | 1s~500s (default 30s) |
| Power-on Delay Time | 1s~500s (default 10s) |
| Motor Life | 100,000 times |
| Installation | 35mm DIN rail |
| Package Dimensions | 1.18 x 0.79 x 0.39 inches |
| Item Weight | 1.76 ounces |
5. Installation and Setup
The TOSVA-16 protector is designed for 35mm DIN rail installation. Ensure all power is disconnected before proceeding with installation.
- Power Disconnection: Turn off the main power supply to the circuit where the protector will be installed. Verify with a voltage tester that no power is present.
- Mounting: Securely attach the TOSVA-16 protector onto a standard 35mm DIN rail within your electrical panel or enclosure.
- Wiring: Connect the input power lines (Live and Neutral) to the designated input terminals of the protector. Connect the output lines to your protected circuit or appliance. Ensure correct polarity and secure connections.
- Power Restoration: Once wiring is complete and verified, restore power to the circuit. The device display will illuminate, showing current voltage and current readings.
- Initial Check: Observe the display. The device will typically undergo a power-on delay before activating the output.
Important: Installation should be performed by a qualified electrician to ensure safety and compliance with local electrical codes.
6. Operation
The TOSVA-16 features a digital display and control buttons for monitoring and adjusting protection parameters.
6.1. Display Readings
- The display continuously shows the real-time voltage (V) and current (A) of the connected circuit.
- In case of a protection event (overvoltage, undervoltage, overcurrent), the display will indicate the fault condition.
6.2. Parameter Adjustment
To adjust protection parameters (e.g., overvoltage threshold, recovery delay), refer to the detailed instructions provided with the device. Generally, this involves pressing and holding specific buttons to enter programming mode, then using UP/DOWN buttons to change values, and a SET/OK button to confirm.
Key adjustable parameters include:
- Overvoltage protection value and recovery voltage.
- Undervoltage protection value and recovery voltage.
- Overcurrent adjustment range.
- Action and recovery delay times for all protection types.
- Power-on delay time.
- Voltage calibration (±9.5%).
6.3. Automatic Recovery
After a protection event, the device will automatically restore power to the circuit once the voltage or current returns to within the safe operating range and the configured recovery delay time has elapsed. This prevents rapid cycling and protects connected equipment.
7. Maintenance
The TOSVA-16 protector is designed for minimal maintenance. However, periodic checks are recommended to ensure optimal performance:
- Visual Inspection: Periodically inspect the device for any signs of physical damage, loose connections, or discoloration.
- Cleaning: If necessary, gently clean the exterior of the device with a dry, soft cloth. Do not use liquid cleaners or solvents.
- Functionality Check: If possible, periodically test the protection functions by simulating an overvoltage or undervoltage condition (e.g., using a variable power supply, if safely possible and recommended by a professional).
Warning: Do not attempt to open or repair the device yourself. Refer all servicing to qualified personnel.
8. Troubleshooting
This section addresses common issues you might encounter with your TOSVA-16 protector.
8.1. Device Not Powering On
- Check Power Supply: Ensure the main power supply to the circuit is active and within the operating voltage range (90-300VAC).
- Wiring: Verify that all input and output connections are secure and correctly wired.
- Internal Fuse: While rare, an internal fuse might be blown. This requires professional inspection.
8.2. Device Trips Frequently
- Check Load: Ensure the connected load does not exceed the maximum current rating (16A).
- Parameter Settings: Review your overvoltage, undervoltage, and overcurrent protection settings. They might be set too sensitively for your application. Adjust them as needed.
- Power Quality: Frequent tripping might indicate unstable power supply from the grid. Consider consulting your utility provider.
8.3. Fault Inquiry
To inquire about past fault conditions, press and hold the UP button for more than 12 seconds. The display will cycle through recorded fault types and values.
8.4. Restoring Factory Settings
If you wish to revert all settings to their default values, press and hold the key (usually a 'SET' or 'OK' button, or a dedicated reset button) for more than 12 seconds. Confirm the reset if prompted.