Product Introduction
200kva - 2500kva On-Load Tap Changer Three-Phase Dry-Type Transformer, Eco-friendly, Energy Efficient, Customizable.





Technical Parameters
| Rated Capacity | 200kva - 2500kva |
| High Voltage Side Voltage | 6 - 11KV |
| Low Voltage Side Voltage | 400V |
| Connection Method | Dyn11 or Yyn0 |
| Frequency | 50Hz |
| Phase | Three-Phase |
| Insulation Class | H class |
| On-Load Tap Changer Range | ±4X2.5% or ±3X2.5% |
| Protection Level | IP00 - IP23 |
| Cooling Method | AN/AF (Natural Air/Forced Air) |
Functional Advantages
- Eco-friendly and High Efficiency: Uses eco-friendly materials, low loss, and significant energy savings.
- Flexible On-Load Tap Changing: Precise voltage regulation ensures stable power supply.
- High Customization: Can be customized according to customer needs to meet special requirements.
Manufacturing Process
- Precision Design: Designed meticulously by a professional team to optimize structural performance.
- Strict Material Selection: Uses high-quality raw materials to ensure product quality.
- Fine Processing: Advanced craftsmanship with strict control over production processes ensures high precision.
Customer Case
Carlos Santos, a technical director at a power company in Brazil, South America, discovered our 200kva - 2500kva high voltage 6 - 11KV low voltage 400V/10H class on-load tap changer eco-friendly three-phase dry-type transformer in August 2019 while browsing industry-related websites. Jinshanmen Technology, with 30 years of experience in manufacturing and selling various transformers, is located in the scenic Lishui City of Zhejiang Province, China. Carlos was interested in the product's eco-friendly features and on-load tap changing functionality and contacted us via email. We provided a detailed introduction of the product features and advantages and offered a customized solution. After multiple communications, both parties reached a cooperation agreement, and our transformers provided reliable power supply assurance in Brazil.
Frequently Asked Professional Questions
Q: Is the operation of on-load tap changing complex?
Q: Is the maintenance cost of this transformer high?


