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. Klíčové vlastnosti
- All-in-One Protection: Safeguards appliances from power surges, over-voltage (above 275V), under-voltage (below 175V), and adjustable overcurrent (1A-63A).
- Přesné nastavení: Customizable cut-off thresholds for over-voltage (200V-275V) and under-voltage (175V-200V) to suit specific grid conditions and appliance needs.
- Funkce automatického resetování: Automatically restores power within 60-300 seconds once grid voltage stabilizes within the set safe range, eliminating manual intervention.
- Superior Conductivity: Constructed with 100% pure copper conductors for minimal resistance, efficient operation, and enhanced long-term reliability under heavy 63A loads.
- Instalace na DIN lištu: Designed for easy and secure integration into standard 2-Pole, 36mm width DIN Rail electrical panels.
- Komplexní bezpečnost: Provides robust protection for an entire household against unpredictable voltage výkyvy a přepětí.

Obrázek 2.1: Konecview of the protection capabilities of the EARU Automatic Voltage Chránič.
3. Bezpečnostní informace
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.
- Instalaci by měl provádět pouze kvalifikovaný elektrikář v souladu s místními elektrotechnickými předpisy a předpisy.
- Ensure the main power supply is disconnected before any installation or maintenance work.
- Nepoužívejte zařízení, pokud se jeví poškozené nebo bylo vystaveno vlhkosti.
- Verify correct wiring connections (Line and Neutral) to prevent malfunction or damage.
- Zařízení je určeno pouze pro vnitřní použití.
- Nepřekračujte maximální jmenovitý proud 63 A.
4. Konec produktuview
4.1. Součásti a displej
The EARU Automatic Voltage Protector features a clear digital display and intuitive control buttons for easy monitoring and adjustment.
- svtage Displej: Shows the current line voltage.
- Aktuální zobrazení: Zobrazuje aktuální zatížení v Amperes.
- Kontrolky:
>U: Over-voltage indikátor.<U: Podvoltage indikátor.>Ie: Overcurrent indicator.R/T: Reset/Time indicator.
- Ovládací tlačítka:
- Šipka nahoru (▲) / Šipka dolů (▼): Used to adjust parameter values.
- Tlačítko SET: Press and hold for 3 seconds to enter setting mode.
- Tlačítko zapnutí / vypnutí: Toggles power to the protected circuit.

Obrázek 4.1: Přední strana view of the EARU Automatic Voltage Protector, highlighting its digital display and control buttons.
5. Nastavení a instalace
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 zapojení
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.

Obrázek 5.1: Příkladample wiring configuration for DIN Rail installation.

Image 5.2: Device dimensions for installation planning.
6. Návod k obsluze
The device allows for precise adjustment of protection parameters. Follow these steps to configure your voltage ochránce.
6.1. Parameter Setting Mode
- Ujistěte se, že je zařízení zapnuté.
- Stiskněte a podržte SOUBOR 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.
- Použijte Šipka nahoru (▲) a Šipka dolů (▼) buttons to navigate through the different parameters (P-1 to P-6).
- Once you have selected a parameter, press the SOUBOR button briefly to enter its adjustment mode.
- Použijte Šipka nahoru (▲) a Šipka dolů (▼) tlačítka pro změnu hodnoty.
- Stiskněte tlačítko SOUBOR 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. Popisy parametrů
| Parametr | Popis | Nastavitelný rozsah |
|---|---|---|
| P-1 | Voltage nastavení | 240V - 300V (or OFF) |
| P-2 | Pod voltage nastavení | 140V - 200V (or OFF) |
| P-3 | Overcurrent setting | 1A - 40A / 63A / 80A (depending on model) |
| P-4 | Zpoždění resetu/startu | 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.
- Periodically inspect the device for any visible damage or loose connections.
- Ensure the ventilation slots are clear of dust and debris to prevent overheating.
- Clean the exterior with a dry, soft cloth. Do not use liquid cleaners or solvents.
- Do not attempt to open or repair the device yourself. Refer to qualified personnel for servicing.
8. Řešení problémů
If you encounter issues with your EARU Automatic Voltage Protector, refer to the following common troubleshooting steps:
| Problém | Možná příčina | Řešení |
|---|---|---|
| Zařízení se nezapíná | Žádné vstupní napájení; nesprávné zapojení; vnitřní chyba. | Check main power supply. Verify wiring connections. If problem persists, contact support. |
| Power cuts off frequently | svtage/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. |
| Nesprávný svtage/aktuální odečet | Calibration issue; faulty sensor. | Požádejte o pomoc zákaznickou podporu. |
9. Specifikace
| Funkce | Detail |
|---|---|
| Značka | EARU |
| Model | EARU-1005 |
| Rozměry produktu (DxŠxV) | 7.7 x 3.5 x 6.5 cm |
| Hmotnost položky | 450 g |
| Vstupní objemtage | 230 voltů AC |
| Max Wattage | 13800 wattů |
| Max. Proud | 63 Amperes |
| VoltagRozsah ochrany e | Adjustable 200V-275V (Cut-off above 275V default) |
| Pod voltagRozsah ochrany e | Adjustable 175V-200V (Cut-off below 175V default) |
| Auto-Reconnect Delay | Nastavitelné 60-300 sekund |
| Typ montáže | DIN Rail (2-Pole, 36mm width) |
| Materiál vodiče | 100% Pure Copper |
| Země původu | Indie |
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.
- Uschovejte si účtenku jako doklad o koupi pro ověření záruky.
- Neautorizované opravy nebo úpravy ruší záruku.





