Long Service life 400kVA 0.4 to 11kV Three-Phase Oil-Immersed Distribution Transformer for Residential & Commercial Power Distribution Factory Price
주거용/상업용 400kVA 유침 변압기. 긴 서비스 수명, 저잡음(<55dB), CE 인증 및 맞춤형 전압/전력 옵션이 특징입니다. 해안 환경에 이상적인 부식 방지 설계.
400kVA Distribution Transformer
,Residential Distribution Transformer
,Commercial Distribution Transformer
The 400kVA three-phase oil-immersed distribution transformer is designed for high-reliability residential and commercial power distribution. Suitable for 0.4 to 11kV voltage levels, it features long service life, low losses, and high efficiency, meeting diverse electrification applications. Our transformers support customized solutions, including power rating, voltage levels, and appearance design, ensuring compatibility with different regional grid standards worldwide.
- Long Service Life: Optimized core and winding structure using high-quality insulation materials.
- High Efficiency & Low Loss: Reduces operational costs, compliant with international energy efficiency standards.
- Corrosion-Resistant Enclosure: Designed for high humidity and saline coastal environments.
- Customizable Options: Tailored for voltage, power, and installation conditions.
- Safety & Reliability: Equipped with pressure relief and explosion-proof design to ensure operational safety.
- Global Compatibility: IEC compliant, suitable for multiple international grid standards.
| Parameter | Specification / Range |
|---|---|
| Rated Power | 100kVA – 1000kVA |
| Rated Voltage | 0.4 – 11kV |
| Frequency | 50 / 60 Hz |
| Phase | Three-phase |
| Cooling Method | ONAN (Oil Natural Air Natural) |
| Insulation Class | Class A / FA High-Temperature Insulation |
| No-load & Load Losses | Optimized for low losses |
| Noise Level | < 55 dB (Optional Low-Noise Design) |
| Protection Level | IP23 (Optional Anti-Corrosion Coating) |
| Ambient Temperature | -25°C to +40°C |
| Altitude Adaptability | ≤ 1000m (High-altitude Version Available) |
| Insulating Oil | High-Insulation Mineral Oil / Eco-Friendly Oil Options |
| Enclosure Material | Cold-Rolled Steel with UV-Resistant Coating |
| Corrosion Protection | Anti-Corrosion Coating + Galvanized Steel + Sealing |
| Installation | Indoor / Outdoor |
In coastal countries, high salt and humidity can corrode ordinary transformers, reducing lifespan. Hentg Power oil-immersed transformers feature anti-corrosion coating + galvanized steel + specialized sealing, effectively resisting salt corrosion. Our moisture-resistant insulating oil ensures long-term stable operation, making it ideal for coastal power projects.
- Q: Will salt and humidity affect transformer life in coastal areas?
A: Hentg Power transformers use anti-corrosion coatings and sealed design to extend service life. - Q: Can the power and voltage levels be customized?
A: Yes, we provide full customization to meet project requirements. - Q: Are these transformers compliant with international standards?
A: All products meet IEC standards and are ready for export worldwide. - Q: What is the maintenance cycle for oil-immersed transformers?
A: Standard maintenance is every 2–3 years; coastal anti-corrosion design can extend the cycle. - Q: Can this be used for large EPC projects?
A: Absolutely, we provide bulk customization and logistics for large-scale projects. - Q: How is noise addressed?
A: Optional low-noise design keeps noise below 55dB.
Hentg Power is a high-tech enterprise specializing in transformer design and manufacturing. We provide customized distribution and industrial transformer solutions for residential, commercial, industrial, and renewable energy sectors. We commit to high-quality, long-life, and low-loss transformers, ensuring stable operation for global power projects.
Get your customized quote today for reliable, high-efficiency power!
