Zhejiang Jiangshan Hengli Electrical Co., Ltd. is one of the leading manufacturers and suppliers of distribution step down transformer in China. If you're going to wholesale durable distribution step down transformer made in China, welcome to get pricelist from our factory. All customized products are with high quality and low price.
This transformer is a distribution step down transformer from 33kV to 400V. The capacity of this transformer is 2500kVA with a connection type of Dyn11. We use 100% copper as winding material because copper has low resistivity and good ductility, which can improve the voltage transmission capacity of the transformer. As a direct manufacturer, we ensure that every transformer we deliver is fully acceptance tested and designed according to IEC and other major international standards.
Our 33kV oil-type power distribution step down transformers can reach up to 30mVA. They are ideal for power transmission in main grids and large industrial projects. You are warmly welcomed to discuss your power transformer needs with us and come to visit our factory anytime.
Product Features
2500kVA distribution step down transformer is a common type of transformer, which mainly converts high voltage electricity into medium and low voltage electricity suitable for residential, commercial and industrial use. It plays a vital role in the power system, ensuring that electricity is transmitted and distributed efficiently and safely. The oil-immersed design has high energy efficiency, effective heat dissipation and insulation, extending the life of the equipment and reducing maintenance costs. Whether in urban power grids or rural power systems, distribution step down transformers are indispensable core equipment.




Technical Specifications


Maintenance

Routine maintenance is critical to guarantee stable operation and extend the service life of the 2500kVA distribution step down transformer. Key maintenance tasks include regular checks on insulating oil quality and oil level, together with winding insulation resistance and voltage tests. The oil tank shall be cleaned periodically, and insulating oil purified to eliminate moisture and impurities. Operators need to inspect grounding circuits and all connection terminals to avoid loose contacts and corrosion. Regular visual examinations and functional checks of the cooling system are also required. Standardized maintenance safeguards reliable long-term performance.
Why Choose a Chinese Transformer Manufacturer as Your Partner?
As a global core production base for transformers, China brings you multiple notable strengths:
- Mature supply chains for raw materials and components
- Cost-effective pricing versus suppliers from other markets
- Sophisticated production technologies and reliable product quality
Hengli Electrical, based in Jiangshan, Zhejiang, integrates the strengths of China's manufacturing with decades of experience in power transformer industry. We deliver tailored transformer solutions that meet diverse market requirements across the globe.



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