High Quality Dry Type Isolation Transformer 3 Phase 200KVA 400KVA Step Transformers 690V 440V Copper
High Quality Dry Type Isolation Transformer 3-Phase 200KVA 400KVA Step Transformers 690V 440V Copper Winding 50Hz 60Hz
This 3-phase 200kVA to 400kVA dry-type isolation step transformer is engineered to securely convert 690V primary power to a stable 440V output. Featuring premium copper windings and dual 50Hz/60Hz frequency compatibility, it provides exceptional electrical isolation and harmonic mitigation. It is the perfect solution for protecting sensitive industrial automation equipment, marine applications, and precision machinery from electrical disturbances.
Key Specifications
- Rated Capacity: 200 kVA / 400 kVA
- Primary Voltage: 690 V
- Secondary Voltage: 440 V
- Phase: 3-Phase
- Frequency: 50 Hz / 60 Hz dual compatibility
- Winding Material: High-purity Copper
- Transformer Type: Dry Type Isolation Step Transformer
- Cooling Method: AN (Air Natural)
High Quality Dry Type Isolation Transformer 3-Phase 200KVA 400KVA Step Transformers 690V 440V Copper Winding 50Hz 60Hz
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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 High Quality Dry Type Isolation Transformer 3-Phase 200KVA 400KVA Step Transformers 690V 440V Copper Winding 50Hz 60Hz
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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 | 3-Phase |
| Rated Capacity | 200 kVA / 400 kVA |
| Primary Voltage | 690 V |
| Secondary Voltage | 440 V |
| Frequency | 50 Hz / 60 Hz |
| Vector Group | Dyn11 |
| Cooling Method | AN (Air Natural) |
| Insulation Class | Class H |
| Core Material | Cold-rolled Grain-oriented Silicon Steel |
| Winding Material | 100% Copper |
| Design Standard | IEC 60076-11 |
| Application | Industrial Automation, Marine, Offshore |
| Certification | CE, ISO 9001 |
| Warranty | 2 Years |
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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