1. Pengenalan dan Lebihview
The DIHOOL Adjustable Voltage Protector DHOV3-110V is an advanced electrical protection device designed to safeguard your valuable appliances and electrical systems from various power anomalies. It provides comprehensive protection against overvoltage, undervoltage, and overcurrent conditions, ensuring the stability and longevity of your connected equipment. This device features customizable settings and an intelligent automatic recovery function for seamless operation.

Imej: Selesaiview of the DIHOOL Voltage Protector's capabilities.
2. Maklumat Keselamatan
Your safety is paramount. The DIHOOL Voltage Protector is constructed with a high-quality, fire-resistant polycarbonate material to minimize fire risks. Always adhere to local electrical codes and safety standards during installation and operation. It is recommended that installation be performed by a qualified electrician to ensure proper wiring and functionality. Do not attempt to open or modify the device.

Image: Device casing made from flame-retardant material for enhanced safety.
3. Ciri-ciri Produk
- 12 Customizable Presets: Precisely adjust overvoltage (140-300V), undervoltage (70-200V), and overcurrent (1-63A) settings, along with other parameters, using the intuitive interface.
- Keselamatan Maksimum: The device's casing is made from high-quality, fire-resistant polycarbonate material, rigorously tested to prevent fire hazards.
- All-in-One Protection: Provides comprehensive protection against overcurrent, overvoltage, dan undervoltage, automatically disconnecting power to prevent damage.
- Smart Automatic Recovery: Automatically restores electricity supply once power conditions stabilize and return to safe, normal levels, requiring no manual intervention.
- Universal DIN Rail Mounting: Features a quick-fix design for easy installation on standard 35mm DIN rails, ideal for electrical panels and industrial control cabinets.
- Aplikasi luas: Protects a broad range of equipment, including industrial motors, home lighting systems, gaming PCs, and kitchen appliances from sudden power surges and fluctuations.

Image: Key features of the DIHOOL Smart Circuit Breaker.

Image: Comparison of Smart Circuit Breaker features versus a standard Circuit Breaker.
4. Kandungan Pakej
Selepas membuka bungkusan, sila sahkan bahawa semua komponen ada dan tidak rosak:
- DIHOOL Adjustable Voltage Protector Unit
- 4 Terminal Connectors
- DIN Rail (80mm)
- Skru Pemasangan
- Manual Pengguna (dokumen ini)

Image: Contents included in the product package.
5. Spesifikasi
Refer to the table below for detailed technical parameters and default settings of the DIHOOL Adjustable Voltage Pelindung.
| Parameter | Nilai |
|---|---|
| Bekalan Bernilai Voltage | AC 110-240V |
| Voltage Setting Range (U) | AC 70-300V |
| Current Setting Range (A) | 1-63A |
| Kekerapan Dinilai | 50/60Hz |
| Voltage Error Range | ±5V |
| U And <U Trip Delay | 0.1-60.0s |
| Delay Setting Range | 1s - 600s |
| Nilai Penebat Voltage | 400V |
| Hubungan Keluaran | 1 BIL |
| Kehidupan Elektrik | 10000 |
| Ijazah Perlindungan | IP20 |
| Ijazah Pencemaran | 3 |
| Ketinggian | ≤2000m |
| Suhu Operasi | -50°C ~ +55°C at 40°C ≤ 50% |
| Kelembapan | ≤50% |
| Suhu Penyimpanan | -30°C ~ +70°C |
| Penggunaan Kuasa | ≤2W |
| Kaedah Sambungan | Up Input - Down Output |
Nota: Jiltage protector is an electronic product with a built-in capacitor. It needs to be powered on within 1 year; otherwise, it is easy to be damaged.
| Parameter Teknikal | Julat Tetapan | Langkah | Lalai |
|---|---|---|---|
| Masa Kelewatan Penghidupan | 1-600s | A01 | 5s |
| Overvoltage Trip Value | 140-300V | A02 | 260V |
| OvervoltagNilai Pemulihan e | 135-295V | A03 | 255V |
| Overvoltage Recovery Time | 1-600s | A04 | 30an |
| Overvoltage Tripping Time | 0.1-60.0s | A05 | 1.0an |
| Undervoltage Trip Value | 70-200V | A06 | 90V |
| UndervoltagNilai Pemulihan e | 75-215V | A07 | 95V |
| Undervoltage Recovery Time | 1-600s | A08 | 30an |
| Undervoltage Tripping Time | 0.1-60.0s | A09 | 1.0an |
| Overcurrent Trip Value | 1-63A | A10 | 63.0A |
| Overcurrent Recovery Time | 1-600s | A11 | 30an |
| Overcurrent Tripping Time | 0.1-60.0s | A12 | 1.0an |

Image: Technical parameters and default settings table.

Image: Device dimensions and key default settings.
6. Persediaan dan Pemasangan
The DIHOOL Voltage Protector is designed for easy installation on standard 35mm DIN rails. Ensure the main power supply is disconnected before beginning installation.
6.1 Pemasangan
- Locate a suitable position on a standard 35mm DIN rail within your electrical panel or control cabinet.
- Align the device with the DIN rail.
- Press the device firmly onto the rail until it clicks into place, ensuring it is securely fastened. The quick-fix design allows for easy attachment and removal.

Image: DIN rail mounting procedure.
6.2 Pendawaian
- Ensure the main power supply is OFF.
- Connect the incoming power lines (Line and Neutral) to the 'IN' terminals at the top of the device.
- Connect the outgoing load lines (Line and Neutral) to the 'OUT' terminals at the bottom of the device.
- Pastikan semua sambungan adalah ketat dan selamat untuk mengelakkan sentuhan longgar dan terlalu panas.
The connection method is 'Up Input - Down Output'.

Image: Quick wiring connections for the device.
7. Arahan Operasi
The device features an intuitive interface with 'SET', 'Up', and 'Down' buttons for parameter adjustment and an LED display for real-time monitoring.

Image: LED display screen showing real-time voltage dan semasa.
7.1 Kuasa hidup awal
Upon initial power-on, the smart circuit breaker supports 120V/240V. The default overvoltage setting is 260V and undervoltage ialah 90V.
7.2 Function Setting Instructions
To adjust parameters, follow these steps:
- Tekan dan tahan butang SET button for 3 seconds to enter the setting mode. The display will show the current parameter (e.g., Power-on Delay Time).
- Gunakan Up (▲) dan Bawah (▼) buttons to adjust the value of the displayed parameter.
- Tekan ke SET button briefly to cycle through the different adjustable parameters (A01 to A12).
- After adjusting all desired parameters, press and hold the SET button again for 3 seconds to save the settings and exit the setting mode. The display will show 'SAVE' or similar confirmation.

Image: Step-by-step guide for function settings.
Nota Penting:
- For 110V/120V circuits: Adjust overvoltage parameters A02 and A03 to 140V and 135V respectively.
- For 230V/240V circuits: Adjust undervoltage parameters A06 and A07 to 220V and 225V respectively.
- Parameters are user-adjustable as needed to suit specific requirements.
8. Penyelenggaraan
The DIHOOL Adjustable Voltage Protector is designed for minimal maintenance. To ensure optimal performance and longevity:
- Keep the device clean and free from dust and debris. Use a dry, soft cloth for cleaning.
- Periksa sambungan pendawaian secara berkala untuk memastikan ia kekal ketat dan kukuh.
- Jangan gunakan pembersih atau pelarut yang melelas pada peranti.
- Jangan cuba membuka casing or repair the device yourself. This may void the warranty and pose a safety risk.
9. Penyelesaian masalah
Bahagian ini menyediakan panduan untuk isu biasa yang mungkin anda hadapi.
9.1 Peranti Tidak Dihidupkan
- Check the incoming power supply to ensure it is active.
- Sahkan semua sambungan pendawaian adalah betul dan selamat.
- Ensure the device has been powered on within one year of purchase, as prolonged unpowered storage can affect internal components.
9.2 Frequent Tripping
- Review set overvol andatage, undervoltage, and overcurrent parameters. They might be set too sensitively for your electrical environment.
- Check the connected load for any faults or excessive current draw.
- Monitor the incoming voltage and current for frequent fluctuations that might be triggering the protection.
9.3 Automatic Recovery Failure
- Ensure the power conditions (voltage and current) have returned to within the safe, set parameters. The device will only recover once stable conditions are detected.
- Check the recovery time setting (e.g., Overvoltage Recovery Time, Undervoltage Recovery Time, Overcurrent Recovery Time) to ensure it is not set to an excessively long duration.
If issues persist after performing these checks, please contact customer support or consult a qualified electrician.
10. Waranti dan Sokongan
For detailed warranty information, including coverage period and terms, please refer to the documentation provided with your purchase or contact the seller directly. DIHOOL is committed to providing reliable products and customer satisfaction.
For technical assistance, product inquiries, or support, please reach out to DIHOOL customer service through the contact information provided on the product packaging or the official DIHOOL webtapak.