1. Introducció
The WALFRONT SVP 63A Adjustable Voltage Protector is designed to safeguard your electrical appliances from damage caused by over-voltage, baix voltage, and over-current conditions. This device features a dual LED display for real-time monitoring of voltage and current, along with adjustable protection parameters to suit various application requirements. Its DIN rail mounting design ensures flexible installation in both residential and industrial settings.

Figura 1: Frontal view of the WALFRONT SVP 63A Adjustable Voltage Protector, showing the dual LED display for voltage i lectures actuals.
2. Informació de seguretat
ADVERTÈNCIA: Perill de descàrrega elèctrica. La instal·lació i el manteniment només els ha de dur a terme personal qualificat.
- Desconnecteu sempre l'alimentació abans d'instal·lar o fer el manteniment del dispositiu.
- Ensure proper wiring according to local electrical codes and standards.
- No feu funcionar el dispositiu si sembla que està danyat.
- This device is designed for indoor use and environments up to 2000m altitude.
- Mantenir allunyat de la humitat i temperatures extremes.
3. Característiques del producte
- Protecció integral: Provides intelligent over-voltage, baix voltage, and over-current protection for connected equipment.
- Monitorització en temps real: Dual LED display shows precise real-time voltage i valors actuals.
- Paràmetres ajustables: User-friendly settings for over-voltage, baix voltage, and over-current limits, as well as fault recovery delay.
- Alta durabilitat: Constructed for low power consumption and a mechanical life exceeding 4,000 cycles.
- Instal·lació flexible: Designed for standard DIN rail mounting, suitable for various environments.

Figure 2: Key features of the voltage protector, highlighting its display and protective functions.
4. Especificacions
| Paràmetre | Valor |
|---|---|
| Voltage | 230 VAC 50/60 Hz |
| Corrent nominal | 1-63A adjustable (default 63A) |
| SobrevoltagRang de protecció electrònica | Adjustable (default 270V) |
| Baix voltagRang de protecció electrònica | 210V-145V adjustable (default 170V) |
| Fault Recovery Delay | 3s to 300s adjustable (default 30s) |
| Consum d'energia | ≤2 W |
| Electrical & Mechanical Life | ≥ 4,000 vegades |
| Mètode d'instal·lació | Carril DIN |
| Temperatura de funcionament | -25 ℃ ~ +40 ℃ |
| Altitud | Not more than 2000m |
| Dimensions (aprox.) | 81 x 36 x 60 mm / 3.2 x 1.4 x 2.4 polzades |
| Número de model | WALFRONT58tlhzs379 |

Figure 3: Dimensions of the WALFRONT SVP 63A protector.
5. Configuració i instal·lació
The WALFRONT SVP 63A is designed for DIN rail mounting. Follow these steps for proper installation:
- Desconnexió d'alimentació: Before starting, ensure that the main power supply to the circuit where the protector will be installed is completely disconnected.
- Muntatge: Clip the protector onto a standard 35mm DIN rail. Ensure it is securely fastened.
- Cablejat: Connect the incoming live (L) and neutral (N) wires to the 'IN' terminals at the top of the protector. Connect the outgoing live (L) and neutral (N) wires to the 'OUT' terminals at the bottom of the protector. Refer to the wiring diagram (if available in packaging) for precise connections. Ensure all connections are tight and secure.
- Verificació: Double-check all wiring connections before restoring power.
- Restauració d'energia: Restore power to the circuit. The device's LED display should illuminate.

Figura 4: A baix view of the protector, illustrating the DIN rail mounting mechanism.
6. Instruccions de funcionament
The protector features a dual LED display and three control buttons: SET, Up (▲), and Down (▼).

Figura 5: superior view of the protector, showing the LED display and control buttons (SET, Up, Down).
6.1. Real-time Display
Upon power-up, the upper LED displays the current voltage (V), and the lower LED displays the current ampera (A).
6.2. Setting Protection Parameters
Per ajustar els paràmetres de protecció:
- Premeu el botó SET button once to enter the setting mode. The first parameter (e.g., Over-voltage value) will flash.
- Utilitza el Amunt (▲) i Avall (▼) botons per ajustar el valor.
- Premeu SET again to confirm the current setting and move to the next parameter.
- Repeat steps 2 and 3 for all desired parameters (Over-voltage, Under-voltage, Over-current, Fault Recovery Delay).
- After setting the last parameter, press SET one more time to save all changes and exit the setting mode. If no button is pressed for a few seconds, the device will automatically exit setting mode and save changes.
6.3. Reset Mode Selection
This protector supports a reset mode selection. Consult the full product manual (if provided separately) for detailed instructions on configuring the reset behavior (e.g., automatic or manual reset after a fault).
7. Manteniment
The WALFRONT SVP 63A is designed for minimal maintenance. However, regular checks can ensure optimal performance and longevity:
- Inspecció visual: Inspeccioneu periòdicament el dispositiu per detectar qualsevol signe de danys físics, connexions soltes o decoloració.
- Neteja: If necessary, gently wipe the exterior of the device with a dry, soft cloth. Do not use abrasive cleaners or solvents.
- Comprovació de la connexió: Ensure that all wiring connections remain tight and secure. Loose connections can lead to overheating or intermittent operation.
- Condicions ambientals: Assegureu-vos que l'entorn de funcionament es mantingui dins dels rangs de temperatura i humitat especificats.
Desconnecteu sempre l'alimentació abans de realitzar qualsevol manteniment.
8. Solució De Problemes
If you encounter issues with your WALFRONT SVP 63A protector, refer to the following common problems and solutions:
| Problema | Causa possible | Solució |
|---|---|---|
| Device does not power on / LED display is off | No power supply; Incorrect wiring; Device fault | Check main power supply; Verify wiring connections; If power is present and wiring is correct, the device may be faulty and require replacement. |
| Device trips frequently | Protection parameters set too low/high; Actual voltage/current exceeds limits; Faulty appliance | Adjust over-voltage, baix voltage, or over-current settings; Check the actual voltage/current with a multimeter; Inspect connected appliances for faults. |
| Display shows incorrect readings | Sensor issue; Device fault | Verify readings with a calibrated multimeter. If discrepancies persist, the device may be faulty. |
| Cannot adjust settings | Buttons unresponsive; Device locked | Ensure you are pressing the SET button correctly to enter setting mode. If buttons are unresponsive, the device may be faulty. |
Si el problema persisteix després d'intentar aquestes solucions, poseu-vos en contacte amb l'atenció al client.
9. Garantia i Suport
9.1. Informació de la garantia
This WALFRONT SVP 63A Adjustable Voltage Protector comes with a Garantia del fabricant de 2 anys. This warranty covers defects in materials and workmanship under normal use. It does not cover damage resulting from improper installation, misuse, unauthorized modifications, or external causes such as power surges not related to the device's function.
9.2. Atenció al client
For technical assistance, warranty claims, or further inquiries, please contact your retailer or the manufacturer directly. Please have your model number (WALFRONT58tlhzs379) and purchase date available when contacting support.