+86 18751738721
sales@unitatransformer.com
Introduction
As a professional transformer manufacturer based in China with CE certification, we focus on producing high-quality 3-phase 11kV/400V oil-immersed transformers, specifically engineered for the rigorous demands of mining operations, industrial plants, and power plants. Our oil transformers deliver stable performance, low energy loss, and long service life, even in harsh working environments. We offer factory-direct pricing and free, no-obligation quotations—get your quote today to secure the best solution for your project.
Key Features (CE Certified 3-Phase 11kV/400V Oil Transformers)
All our oil-immersed transformers are fully CE certified, ensuring compliance with EU safety and electromagnetic standards, which is essential for global project acceptance and smooth customs clearance. Core features include:
- 3-phase 11kV/400V standard configuration, perfect for industrial power distribution
- Oil-immersed design for stable, continuous heavy-duty operation
- Low no-load and load loss, reducing long-term energy costs
- Corrosion-resistant, dustproof tank, suitable for mining and industrial harsh environments
- Wide temperature adaptation (-25°C to +50°C), adaptable to extreme weather conditions
- Hermetically sealed structure to prevent oil leakage and extend service life
- Customizable capacity (100kVA–6300kVA) to match your project scale
Typical Specifications
| Capacity (kVA) | Voltage Ratio | Phase | Standard | Cooling Type | Application |
|---|---|---|---|---|---|
| 100 | 11kV/400V | 3-phase | CE | ONAN | Small mining sites, light industry |
| 315 | 11kV/400V | 3-phase | CE | ONAN | Medium industrial plants, mining auxiliary power |
| 500 | 11kV/400V | 3-phase | CE | ONAN | Large mining operations, industrial main power |
| 1000 | 11kV/400V | 3-phase | CE | ONAN/ONAF | Power plant substations, industrial parks |
Ideal Applications
- Mining operations: Withstand vibration, dust, and heavy loads for open-pit and underground mining machinery.
- Industrial plants: Reliable power conversion for manufacturing, metallurgy, chemical, and processing industries.
- Power plants: Stable voltage transformation for power generation and grid distribution systems.
Get Your Free Quote Today
To receive a personalized free quotation, simply provide:
- Required capacity (kVA)
- Project type (mining/industrial/power plant)
- Delivery destinationWe will respond with a detailed quote within 24 hours, including factory-direct pricing and technical specifications.
