50kVA 10kV Oil Filled Three Phase Distribution Transformer
Jan 29, 2026
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At GNEE, we are a professional manufacturer and exporter of power and distribution equipment, supplying oil filled distribution transformers to global industrial, utility, and infrastructure projects.
With strong engineering capability, strict quality control, and flexible OEM/ODM service, GNEE provides reliable transformer solutions tailored to international standards.
What Is a 50kVA 10kV Oil Filled Three Phase Distribution Transformer?
The 50kVA 10kV oil filled three phase distribution transformer is designed to step down medium voltage (10kV) to low voltage (typically 400V/415V) for end-user applications.
Using mineral insulating oil for cooling and insulation, this transformer ensures stable performance, long service life, and high overload capability.
Typical Voltage Configuration:
- Primary Voltage: 10kV
- Secondary Voltage: 0.4kV / 0.415kV
- Frequency: 50Hz / 60Hz
- Cooling Method: ONAN (Oil Natural Air Natural)
Key Features of the 50kVA 10kV Oil Filled Three Phase Distribution Transformer
High Efficiency & Low Loss Design
- Optimized silicon steel core reduces no-load loss
- Copper or aluminum windings available
- Complies with IEC / ANSI efficiency standards
Excellent Thermal & Insulation Performance
- Transformer oil provides superior heat dissipation
- Strong dielectric strength ensures safe operation
- Suitable for continuous duty and peak load conditions
Robust Structure for Outdoor Installation
- Fully sealed oil tank prevents moisture ingress
- Anti-corrosion coating for harsh environments
- Designed for pole-mounted or ground-mounted use
Technical Specifications of the 50kVA 10kV Oil Filled Three Phase Distribution Transformer
| Item | Specification |
|---|---|
| Rated Capacity | 50 kVA |
| Rated Voltage | 10kV / 0.4kV |
| Phase | Three Phase |
| Cooling Method | ONAN |
| Insulation Class | Class A |
| Standard | IEC 60076 / ANSI / GB |
| Tapping Range | ±5% / ±2×2.5% (optional) |
Applications of the 50kVA 10 kV Oil Filled Three Phase Distribution Transformer
The 50kVA 10kV oil filled three phase distribution transformer is ideal for low-to-medium load power distribution, including:
- Light manufacturing workshops
- Commercial buildings & small factories
- Rural and suburban utility grids
- Construction sites & temporary power stations
- Agricultural processing facilities
Its compact size and high reliability make it a cost-effective choice for decentralized power networks.
Oil Filled vs Dry Type: Why Choose a 50kVA Oil Filled Transformer?
Compared with dry type transformers, oil filled units offer:
- Better heat dissipation under overload
- Lower initial investment cost
- Longer service life in outdoor environments
- Reduced noise with proper oil tank design

For outdoor or utility-based applications, oil filled transformers remain the preferred solution.
Quality Control & Testing at GNEE
Every 50kVA 10kV oil filled three phase distribution transformer from GNEE undergoes strict testing before shipment:
Routine tests (ratio, resistance, insulation)
Oil dielectric strength test
Load loss & no-load loss verification
Factory acceptance test (FAT) available

Insert factory testing or oil-filled transformer workshop image
Why Choose GNEE as Your 50kVA Oil Filled Transformer Supplier?
- Factory-direct supply with competitive pricing
- Flexible voltage & standard customization
- Fast production & global delivery support
- Experienced export service for Africa, Asia, Middle East & South America
Get a Quote for 50kVA 10kV Oil Filled Three Phase Distribution Transformer
Looking for a reliable and cost-effective 50kVA 10kV oil filled three phase distribution transformer?
📩 Contact GNEE today for technical consultation, drawings, and the best factory price.
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