S11 Oil-Immersed Distribution Transformer (30kVA-2500kVA, 50/60Hz)
Haosheng Power S11-M Series: Reliable fully sealed oil-immersed distribution transformer with advanced corrugated tank design for superior cooling and low maintenance.
100% Pure Copper
Guaranteed premium copper windings for superior thermal performance and longevity.
7-Day Rapid Shipping
Industry-leading lead times to keep your infrastructure projects on schedule.
Detailed Description
Technical Parameters
| Series Model | S11-M Series |
| Rated Capacity | 30 kVA - 3500 kVA (Customizable Range) |
| Rated Frequency | 50 Hz / 60 Hz Dual-Frequency |
| Primary Voltage | 6kV / 10kV / 11kV / 20kV / 22kV / 33kV (Custom Options) |
| Secondary Voltage | 0.4kV / 0.415kV / 0.433kV (Custom Options) |
| Vector Group | Dyn11 / Yyn0 |
| Cooling Method | ONAN (Oil Natural Air Natural) |
| Winding Material | 100% Pure Copper / Aluminum (Optional) |
| Compliance Standard | IEC 60076, CE, ISO9001 |
Core Advantages
Hermetically sealed structure
Maintenance-free, no oil sampling or testing required during operation
Corrugated radiator tank
Provides dual functions of efficient cooling and thermal expansion compensation (breathing)
Low Loss
Compliant with international energy-saving standards, significantly reducing operational costs
100% Pure Copper Windings
Manufactured with premium pure copper coils to ensure high electrical conductivity, strong short-circuit resistance, and superior thermal stability
Global Grid Compatibility
Fully adaptive to international infrastructure, seamlessly supporting both 50Hz and 60Hz frequencies with flexible, custom voltage configurations
Rigorous Factory Testing
Every unit undergoes strict routine and type tests according to IEC 60076 standards before shipment to guarantee zero-defect operational safety
Detailed Display
Logistics Strategy
We understand that safe delivery is as important as the equipment itself. Every unit is securely fastened in reinforced wooden crates or heavy-duty sea-freight packaging to prevent any shifting during transit.
- ✓Moisture-proof vacuum sealing
- ✓Real-time GPS tracking for overseas
- ✓Pre-export factory FAT report included
Expert FAQs
What is your standard delivery time?
For standard units, we can ship within 7 days. Customized configurations typically take 15-25 days.
Do you provide overseas installation support?
Yes, we offer on-site engineering supervision and online technical commissioning support for global projects.
Are your transformers compatible with smart grid systems?
Absolutely. We provide integrated intelligent monitoring systems for real-time load and health analysis.
What certifications do you hold?
Our factory is ISO 9001, ISO 14001 certified, and all products carry the CE mark and local grid compliance reports.
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