The YB-630KVA Prefabricated Box Substation is a fully integrated power transformer solution designed for efficient and reliable electricity distribution. Rated at 630kVA with primary voltage of 10kV and secondary voltage of 0.4kV, it features an oil-immersed transformer with ONAN cooling for enhanced heat dissipation and long service life. The robust steel enclosure ensures protection against harsh outdoor conditions, making it ideal for urban power networks, industrial plants, and commercial complexes. Compliant with IEC 60076 standards, this compact substation offers easy installation, low maintenance, and high safety. Its prefabricated design minimizes on-site construction time and costs. Suitable for both 50Hz and 60Hz systems, the YB-630KVA delivers stable performance under varying loads. Experience superior power distribution with our reliable box substation.
Technical Specifications
| Rated Power | 630kVA |
| Primary Voltage | 10kV |
| Secondary Voltage | 0.4kV |
| Cooling Method | ONAN |
| Enclosure Material | Steel |
| Standards | IEC 60076 |
| Type | Prefabricated Box Substation |
| Frequency | 50/60Hz |
| Phase | Three Phase |
Why Choose This Product
- High-efficiency oil-immersed transformer with low loss
- Complete prefabricated design for quick installation and minimal on-site work
- Robust steel enclosure for outdoor durability and weather resistance
- Reliable performance up to 630kVA for urban and industrial power distribution
Contact Us
For wholesale pricing, technical specifications, or customized solutions, please contact us via WhatsApp or email. We offer factory-direct prices with professional support.




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