Product Introduction
The **630kVA 11kV/400V Oil-Immersed Three-Phase Distribution Transformer** is a core power supply equipment for substations, featuring **high efficiency, energy saving**, and **stable durability**. It adapts to 11kV high-voltage input and 400V low-voltage output, with three-phase power supply mode meeting industrial and residential power distribution needs. Using high-quality insulating oil and iron core materials, it achieves excellent heat dissipation and insulation performance, suitable for complex working conditions of substations. As a **key equipment in power distribution system**, it operates reliably, is easy to maintain, and is widely used in urban-rural power grids and industrial substation construction.




Functional Advantages
- High Efficiency and Stability: Offers high operational efficiency and stable voltage.
- Safe and Reliable: Oil-immersed insulation with excellent protective performance.
- Flexible Customization: Meets diverse customer requirements.
Manufacturing Process
- Precision Design: Designed by a professional team, optimized for structure.
- Strict Material Selection: High-quality materials are selected to ensure superior quality.
- Fine Processing: Advanced techniques ensure high precision.
Customer Case
Tom Davis, a project manager at a local power engineering company in Australia, came across Jinshanmen Technology Co., Ltd.'s 10KVA single-phase oil-immersed transformer, low voltage 240V single-phase transformer, while browsing an industry-specific independent site in June 2019. Jinshanmen Technology, located in the scenic city of Lishui in Zhejiang Province, China, has 30 years of expertise in manufacturing and selling various transformers. Tom became highly interested in the product and contacted the company through the website. The sales team responded promptly and provided detailed explanations of the product's features and advantages. After multiple rounds of communication and technical exchanges, Tom decided to collaborate with Jinshanmen Technology. The transformers were successfully delivered and put into operation, providing reliable support for Australia's power engineering projects.
Frequently Asked Professional Questions
Q: How is the overload capacity of this transformer?
Q: What are the maintenance tips for an oil-immersed transformer?



