Product Overview

Long Service Life IEC60076 0.4KV/11KV Dry-Type Distribution Transformer 250KVA
This dry-type transformer is designed according to IEC60076 international standards, suitable for town grid expansion and distribution upgrades. It features high reliability, low noise, and low maintenance cost. Ideal for coastal, high-temperature, and high-humidity environments, it meets the power needs of industrial, commercial, and infrastructure projects.
Key Product Points (5-6 points)
- Long Service Life: High-quality epoxy resin-coated coils and premium cores enhance transformer lifespan.
- Low Noise: Optimized structural design keeps noise under 55dB, suitable for urban and residential areas.
- Moisture & Corrosion Resistant: Coastal-specific coating and moisture-proof design for high-humidity, salty environments.
- Low Maintenance Cost: No oil-cooling system required, reducing inspection and operation costs.
- High Efficiency: Low losses, high efficiency, meeting international energy-saving standards.
- Versatile Applications: Widely used in industrial parks, commercial buildings, and infrastructure projects.
Technical Specifications
| Parameter |
Specification |
| Model |
250KVA Dry-Type Distribution Transformer |
| Rated Capacity |
250 kVA |
| High Voltage |
11 kV |
| Low Voltage |
0.4 kV |
| Phase |
Three-phase |
| Frequency |
50/60 Hz |
| Cooling Method |
Natural Air Cooling (AN) |
| Insulation Class |
F-class epoxy coils, H-class thermal rating |
| Noise Level |
≤55 dB |
| Efficiency |
≥98% |
| Protection Rating |
IP23 / Optional IP44 |
| Environmental Adaptation |
-20℃ ~ +40℃, coastal high humidity protection |
| Structure Features |
Enclosed epoxy coating, moisture & corrosion resistant, high-temp durable |
| Certification |
IEC60076, ISO9001, CE optional |
| Lifespan |
25+ years under normal operating conditions |





Problem & Solution (Coastal/High-Temperature Regions)
Market Problems: Coastal high humidity and salt fog cause corrosion on traditional dry transformers, reducing lifespan; high temperatures accelerate insulation aging.
Solutions:
- Corrosion Protection: Epoxy-coated coils and anti-corrosion exterior extend service life.
- Moisture Resistance: Sealed coils and ventilation design enhance moisture protection.
- High-Temperature Durability: F/H class insulation withstands continuous high-temperature operation.
- Customizable Options: IP44 or higher protection available based on customer needs.
FAQ
- Q: Is this transformer suitable for coastal high-humidity areas?
A: Yes, it features corrosion and moisture-proof design for long-term reliability.
- Q: Can it safely operate in high-temperature regions?
A: Yes, F-class epoxy insulation and H-class thermal rating support continuous high-temperature operation.
- Q: Is maintenance expensive?
A: Dry-type design requires no oil-cooling system, making maintenance simple and cost-effective.
- Q: Is it suitable for industrial or commercial projects?
A: Yes, three-phase 250KVA capacity meets diverse application needs.
- Q: How is noise controlled?
A: Optimized structure and high-quality materials keep noise under 55dB, suitable for urban areas.
- Q: Can the protection rating be customized?
A: Yes, IP23, IP44, and other ratings are available per project requirements.
Company Introduction
Hentg Power specializes in transformer design, R&D, and custom solutions, providing efficient and reliable power equipment for industrial, commercial, and infrastructure projects. With advanced production equipment and a complete quality management system, our product range includes dry-type, oil-immersed, and special transformers, widely used in town distribution, industrial enterprises, power projects, and overseas projects. We prioritize customer needs with fast response and after-sales support to ensure each transformer operates safely and reliably.
Contact us now for a customized dry-type transformer solution!