1. Úvod
The EARU Automatic Voltage Protector (Model EARU-1005) is an advanced electrical safety device designed to protect your valuable home and office appliances from damaging power fluctuations. This device offers comprehensive protection against over-voltage, pod-voltage, and overcurrent conditions, ensuring the longevity and safe operation of your electrical equipment. It features adjustable thresholds and an auto-reconnect function for convenience and continuous protection.
2. Kľúčové vlastnosti
- All-in-One Protection: Safeguards appliances from power surges, over-voltage (above 275V), under-voltage (below 175V), and adjustable overcurrent (1A-63A).
- Presné nastavenie: Customizable cut-off thresholds for over-voltage (200V-275V) and under-voltage (175V-200V) to suit specific grid conditions and appliance needs.
- Funkcia automatického resetovania: Automatically restores power within 60-300 seconds once grid voltage stabilizes within the set safe range, eliminating manual intervention.
- Vynikajúca vodivosť: Constructed with 100% pure copper conductors for minimal resistance, efficient operation, and enhanced long-term reliability under heavy 63A loads.
- Inštalácia na DIN lištu: Designed for easy and secure integration into standard 2-Pole, 36mm width DIN Rail electrical panels.
- Komplexná bezpečnosť: Provides robust protection for an entire household against unpredictable voltage výkyvy a prepätia.

Obrázok 2.1: Koniecview of the protection capabilities of the EARU Automatic Voltage Ochranca.
3. Bezpečnostné informácie
Please read and understand all safety instructions before installing or operating the device. Failure to do so may result in electric shock, fire, or serious injury.
- Inštaláciu by mal vykonávať iba kvalifikovaný elektrikár v súlade s miestnymi elektrotechnickými predpismi a predpismi.
- Pred akoukoľvek inštaláciou alebo údržbou sa uistite, že je odpojené hlavné napájanie.
- Do not operate the device if it appears damaged or has been exposed to moisture.
- Verify correct wiring connections (Line and Neutral) to prevent malfunction or damage.
- Zariadenie je určené len na použitie v interiéri.
- Neprekračujte maximálny menovitý prúd 63 A.
4. Produkt skončilview
4.1. Komponenty a displej
The EARU Automatic Voltage Protector features a clear digital display and intuitive control buttons for easy monitoring and adjustment.
- Voltage Displej: Shows the current line voltage.
- Aktuálne zobrazenie: Shows the current load in Amperes.
- Kontrolky:
>U: Over-voltage indikátor.<U: Pod-zvtage indikátor.>Ie: Overcurrent indicator.R/T: Reset/Time indicator.
- Ovládacie tlačidlá:
- Up Arrow (▲) / Down Arrow (▼): Used to adjust parameter values.
- Tlačidlo SET: Press and hold for 3 seconds to enter setting mode.
- Tlačidlo zapnutia / vypnutia: Toggles power to the protected circuit.

Obrázok 4.1: Predná strana view of the EARU Automatic Voltage Protector, highlighting its digital display and control buttons.
5. Nastavenie a inštalácia
The EARU Automatic Voltage Protector is designed for DIN Rail mounting. Ensure proper wiring and secure installation.
5.1. Montáž
Mount the device onto a standard 36mm width DIN Rail within your electrical panel. Ensure it is securely clipped into place.
5.2. Schéma zapojenia
Connect the incoming power supply (Line and Neutral) to the "IN" terminals and the outgoing load to the "OUT" terminals. Refer to the diagram below for correct wiring.

Obrázok 5.1: Príkladample wiring configuration for DIN Rail installation.

Image 5.2: Device dimensions for installation planning.
6. Návod na obsluhu
The device allows for precise adjustment of protection parameters. Follow these steps to configure your voltagochranca.
6.1. Parameter Setting Mode
- Uistite sa, že je zariadenie zapnuté.
- Stlačte a podržte SET button for approximately 3 seconds until the display changes to show "P-1" or a similar setting indicator. This indicates you are in parameter setting mode.
- Použite Šípka hore (▲) a Šípka nadol (▼) buttons to navigate through the different parameters (P-1 to P-6).
- Once you have selected a parameter, press the SET button briefly to enter its adjustment mode.
- Použite Šípka hore (▲) a Šípka nadol (▼) tlačidlá na zmenu hodnoty.
- Stlačte tlačidlo SET button again to confirm the value and move to the next parameter, or wait a few seconds for the device to automatically save and exit the setting mode.
6.2. Popis parametrov
| Parameter | Popis | Nastaviteľný rozsah |
|---|---|---|
| P-1 | Over-voltage nastavenie | 240V - 300V (or OFF) |
| P-2 | Podptage nastavenie | 140V - 200V (or OFF) |
| P-3 | Overcurrent setting | 1A - 40A / 63A / 80A (depending on model) |
| P-4 | Reset/start delay | 1 s – 300 s |
| P-5 | Relay recovery delay | 1 s – 300 s |
| P-6 | Overcurrent recovery delay | 1 s – 300 s |

Image 6.1: Function setting guide for the device.
6.3. Video Guide: Setting Parameters
Video 6.1: This video demonstrates how to adjust the over-voltage, pod-voltage, overcurrent, and recovery delay settings on the EARU Automatic Voltage Protector. It shows the step-by-step process of entering the setting mode and modifying each parameter.
7. Údržba
The EARU Automatic Voltage Protector requires minimal maintenance. Regular checks can ensure optimal performance.
- Pravidelne kontrolujte zariadenie, či nie je viditeľne poškodené alebo či nie sú uvoľnené spoje.
- Ensure the ventilation slots are clear of dust and debris to prevent overheating.
- Vonkajší povrch čistite suchou, mäkkou handričkou. Nepoužívajte tekuté čistiace prostriedky ani rozpúšťadlá.
- Do not attempt to open or repair the device yourself. Refer to qualified personnel for servicing.
8. Riešenie problémov
If you encounter issues with your EARU Automatic Voltage Protector, refer to the following common troubleshooting steps:
| Problém | Možná príčina | Riešenie |
|---|---|---|
| Zariadenie sa nezapína | Žiadne vstupné napájanie; nesprávne zapojenie; vnútorná chyba. | Check main power supply. Verify wiring connections. If problem persists, contact support. |
| Power cuts off frequently | Voltage/current outside set thresholds; unstable grid. | Check current voltage/current readings. Adjust P-1, P-2, P-3 settings if necessary. Monitor grid stability. |
| Device does not auto-reconnect | Recovery delay (P-4, P-5, P-6) set too long; persistent fault. | Verify recovery delay settings. Ensure grid conditions have stabilized. Manually reset if safe to do so. |
| Nesprávny objtage/current reading | Calibration issue; faulty sensor. | Požiadajte o pomoc zákaznícku podporu. |
9. Špecifikácie
| Funkcia | Detail |
|---|---|
| Značka | EARU |
| Model | EARU-1005 |
| Rozmery produktu (DxŠxV) | 7.7 x 3.5 x 6.5 cm |
| Hmotnosť položky | 450 g |
| Vstupné objtage | 230 voltov AC |
| Max Wattage | 13800 wattov |
| Max. Prúd | 63 Amperes |
| Over-voltagRozsah ochrany e | Adjustable 200V-275V (Cut-off above 275V default) |
| PodptagRozsah ochrany e | Adjustable 175V-200V (Cut-off below 175V default) |
| Auto-Reconnect Delay | Nastaviteľné 60-300 sekúnd |
| Typ montáže | DIN Rail (2-Pole, 36mm width) |
| Materiál vodiča | 100% Pure Copper |
| Krajina pôvodu | India |
10. Záruka a podpora
The EARU Automatic Voltage Protector (Model EARU-1005) is backed by a 1-Year Manufacturer Warranty. This warranty covers defects in materials and workmanship under normal use.
- For warranty claims or technical support, please contact EARU customer service.
- Keep your purchase receipt as proof of purchase for warranty validation.
- Neautorizované opravy alebo úpravy spôsobia stratu záruky.