10kV 11kV 400kVA 500kVA Encapsulated Transformer Three Phase Step Down Oil Immersed Distribution Tra
10kV 11kV 400kVA 500kVA Encapsulated Transformer Three Phase Step Down Oil Immersed Distribution Transformer
The OIDT-400-500K-11KV is a robust three-phase encapsulated oil-immersed distribution transformer designed for versatile 10kV and 11kV primary networks. Providing flexible capacities of 400kVA and 500kVA in a dedicated step-down configuration, it delivers reliable power to secondary 400V commercial and industrial loads. Engineered for superior environmental resilience, this unit is highly suited for outdoor utility grids, manufacturing facilities, and localized power distribution setups.
Key Specifications
- Rated Capacity: 400 kVA / 500 kVA
- Primary Voltage: 10 kV / 11 kV
- Secondary Voltage: 400 V
- Phase: Three Phase
- Transformer Type: Encapsulated Oil-Immersed Step-Down
- Cooling Method: ONAN (Oil Natural Air Natural)
- Vector Group: Dyn11
- Frequency: 50 Hz / 60 Hz
10kV 11kV 400kVA 500kVA Encapsulated Transformer Three Phase Step Down Oil Immersed Distribution Transformer
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Ready to Upgrade Your Power Infrastructure?
Secure your energy supply with the 1000 KVA / 1250 KVA 11 KV Step Down Cast Resin Dry Type Power Transformer. Engineered with CRGO core and UL certification for maximum reliability. Get factory-direct pricing and professional engineering support today.
Technical Specifications
Comprehensive parameters for the 10kV 11kV 400kVA 500kVA Encapsulated Transformer Three Phase Step Down Oil Immersed Distribution Transformer
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Download our comprehensive product catalog and technical manual for full engineering data and installation guidelines.
Download PDF Manual| Parameter | Specification Details |
|---|---|
| Phase | Three Phase |
| Rated Capacity | 400 kVA / 500 kVA |
| Primary Voltage | 10 kV / 11 kV |
| Secondary Voltage | 400 V |
| Frequency | 50 Hz / 60 Hz |
| Vector Group | Dyn11 |
| Cooling Method | ONAN |
| Insulation Class | Class A |
| Core Material | CRGO Silicon Steel |
| Design Standard | IEC 60076 |
| Type | Encapsulated Oil-Immersed Step-Down |
| Application | Utility Distribution / Industrial Operations |
| Certification | CE / IEC / ISO |
| Warranty | 24 Months |
Get Your Customized Power Solution
Provide your project requirements and our technical engineers will generate a detailed, competitive quotation for the 1000 KVA / 1250 KVA Cast Resin Dry Type Transformer within 12 hours.
12470V / 11KV Step Down Cast Resin Transformer
- Cooling: AN/AF
- Standard: IEC 60076/ANSI
- Vector Group: Dyn11 / Yyn0
- Voltage: 415V / 400V Output
If you have urgent technical questions or bidding deadlines, feel free to contact our senior engineering sales team directly:
Tel / WhatsApp: +8617502139434
Email: sales@millenium-electric.com
Visit Contact Page →We offer full customization for voltage ratings, winding materials (Copper/Aluminum), and enclosure dimensions to seamlessly integrate with your existing power infrastructure and comply with local grid standards.
We provide secure, sea-worthy vacuum packing to prevent humidity and corrosion during transit to any global sea port. Backed by a standard 1-Year comprehensive warranty with lifetime remote technical support.
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