1. Introduction
The SINOTIMER SVP-719 is a versatile 3-in-1 protector designed to safeguard electrical appliances and systems from voltage and current anomalies. It integrates over-voltage protection, under-voltage protection, and over-current protection, along with automatic recovery functionality. Additionally, it features a built-in wattmeter for real-time display of voltage, current, and power consumption (kWh energy metering).
2. Features
- Over-voltage Protection: Automatically disconnects power when voltage exceeds a set limit.
- Under-voltage Protection: Automatically disconnects power when voltage drops below a set limit.
- Over-current Protection: Automatically disconnects power when current exceeds a set limit.
- Automatic Recovery: Restores power automatically once voltage and current return to normal operating ranges after a set delay.
- Real-time Display: Shows current voltage (V), current (A), and accumulated power consumption (kWh).
- Adjustable Protection Values: User-configurable settings for over-voltage, under-voltage, over-current, and recovery delay.
- DIN Rail Installation: Designed for easy mounting on a standard 35mm DIN rail.
3. Specifications
| Parameter | Value |
|---|---|
| Rated Supply Voltage | AC 220V |
| Operation Voltage | AC 80-400V (single phase) |
| Rated Frequency | 50/60Hz |
| Kilowatt-hour Protection Value | 1-9999/OFF |
| Rated Current | 63A (subject to product label) |
| Reset / Start Delay Time | 1-600s |
| Voltage Measurement Accuracy | 2% (not exceeding 2% of the overall range) |
| Rated Insulation Voltage | 400V |
| Output Contact | 1NO (Normally Open) |
| Electrical Life | 100,000 operations |
| Mechanical Life | 1,000,000 operations |
| Protection Degree | IP20 |
| Pollution Degree | 3 |
| Operating Temperature | -50℃ to 55℃ |
| Humidity | ≤50% at 40℃ (without condensation) |
| Storage Temperature | -30℃ to 70℃ |
| Material | Plastic |
4. Safety Information
- Installation and maintenance should only be performed by qualified personnel.
- Ensure power is disconnected before any installation or wiring work.
- Do not operate the device in environments exceeding specified temperature and humidity limits.
- Verify all connections are secure to prevent loose contacts and potential hazards.
- The device is designed for indoor use in a dry environment.
5. Installation
The SVP-719 protector is designed for 35mm DIN rail mounting. Follow these steps for proper installation:
- Power Disconnection: Before starting, ensure the main power supply to the circuit is completely turned off.
- Mounting: Clip the device onto a standard 35mm DIN rail in your electrical panel. Ensure it is securely fastened.
- Wiring: Connect the input and output wires according to the wiring diagram provided on the device and below.
Figure 1: Angled view of the SVP-719 showing the display, control buttons, and integrated wiring diagram.
Wiring Diagram Description:
- IN (Input): Connect the incoming Neutral (N) and Live (L) wires from your power source to the 'IN' terminals at the top of the device.
- OUT (Output): Connect the outgoing Neutral (N) and Live (L) wires to your load (appliances/circuit) from the 'OUT' terminals at the bottom of the device.
- Ensure correct polarity (Neutral to N, Live to L) for both input and output connections.
Figure 2: Side view showing the IN and OUT terminals for wiring.
Figure 3: Bottom view illustrating the DIN rail mounting clip.
6. Operation
Upon powering on, the SVP-719 will display real-time voltage (V), current (A), and accumulated power consumption (kWh). The device will automatically monitor these parameters and activate protection functions if values exceed or fall below the set thresholds.
Figure 4: Front view highlighting the digital display and control buttons.
6.1. Display Indicators
- V: Displays the current voltage in Volts.
- A: Displays the current flowing through the circuit in Amperes.
- kWh: Displays the accumulated power consumption in kilowatt-hours.
- POWER LED: Indicates the power status.
- PULSE LED: Flashes to indicate energy consumption pulses (1000 imp/kWh).
6.2. Control Buttons
The device features a 'SET' button and three other unlabeled buttons (typically used for navigation and value adjustment). These buttons are used to access and modify the protection parameters.
7. Settings Configuration
To configure the protection parameters, use the 'SET' button and the navigation buttons. Specific steps for setting each parameter are typically detailed in the full product manual. Generally, the process involves:
- Pressing the 'SET' button to enter the setting mode.
- Using the navigation buttons (usually up/down arrows) to select the parameter to adjust (e.g., over-voltage limit, under-voltage limit, over-current limit, recovery delay time).
- Pressing 'SET' again or a dedicated 'Enter' button to confirm selection and enter value adjustment mode.
- Using the navigation buttons to change the value.
- Confirming the new value, usually by pressing 'SET' again or waiting for an automatic save.
Adjustable Parameters:
- Over-voltage protection threshold: Set the maximum allowable voltage.
- Under-voltage protection threshold: Set the minimum allowable voltage.
- Over-current protection threshold: Set the maximum allowable current.
- Reset / Start Delay Time: Configure the delay (1-600 seconds) before the device automatically restores power after a fault condition clears.
- Kilowatt-hour protection value: Set a limit for accumulated energy consumption (1-9999 kWh) or disable (OFF).
8. Maintenance
- Keep the device clean and free from dust. Use a dry, soft cloth for cleaning.
- Regularly check wiring connections for tightness and signs of wear or corrosion.
- Ensure proper ventilation around the device to prevent overheating.
- Do not attempt to open or repair the device yourself. Refer to qualified service personnel.
9. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not powering on | No input power; incorrect wiring | Check main power supply; verify input wiring (N and L). |
| Power disconnected, display shows fault | Over-voltage, under-voltage, or over-current detected | Check the voltage/current of the circuit. The device will auto-recover after the set delay once conditions normalize. |
| Incorrect voltage/current readings | Wiring issues; device malfunction | Ensure correct and secure wiring. If problem persists, contact support. |
| Device trips too frequently | Protection thresholds set too low; unstable power supply | Adjust protection thresholds to appropriate levels for your load. Investigate power supply stability. |
10. User Tips
- Initial Setup: When first installing, it's recommended to set the recovery delay time to a slightly longer duration (e.g., 30-60 seconds) to prevent rapid cycling during minor power fluctuations.
- Threshold Adjustment: Carefully consider the normal operating voltage and current of your connected appliances before setting protection thresholds. Setting them too close to normal operation can lead to nuisance tripping.
- Energy Monitoring: Utilize the kWh display to monitor the power consumption of the connected circuit, which can help in identifying energy-intensive appliances or unusual power usage patterns.
11. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official SINOTIMER website or contact your authorized dealer. Keep your purchase receipt as proof of purchase.
