Distribution Transformer 4000 kVA Trafindo 20kV ONAN
The 4000 kVA Trafindo distribution transformer is a very high-capacity transformer designed for 20 kV medium-voltage networks. Equipped with a natural ONAN (Oil Natural Air Natural) cooling system, this transformer delivers efficient, quiet, and low-maintenance operation, making it suitable for PLN substations, large industrial zones, and renewable energy projects.
Manufactured by Trafindo, Indonesia’s leading transformer brand, this model meets SNI and IEC standards. With its superior build quality, high efficiency, and customizable options, this transformer is an ideal solution for large-scale and long-term power distribution needs.
Technical Specifications
- Rated Capacity: 4000 kVA
- Primary / Secondary Voltage: 20 kV / 0.4 kV
- Cooling System: ONAN (Oil Natural Air Natural)
- Frequency: 50 Hz
- Impedance @ 75°C: 7.5%
- No Load Losses: 3800 W
- Load Losses: 47000 W
- Exciting Current: 1.8%
- Voltage Regulation: 1.45% (cos φ = 1.0) / 5.52% (cos φ = 0.8)
- Dimensions (L × W × H): 2530 × 1625 × 2420 mm
- Oil Volume: 2510 Liters
- Total Weight: 8115 kg
Key Features
- Very high capacity for industrial and utility-scale power systems
- High efficiency with minimized power losses
- Natural oil-air cooling provides silent, fanless operation
- SNI & IEC certified ensuring quality and safety
- Customizable options available for specific project requirements
Typical Applications
- Large-scale manufacturing plants
- PLN substations and distribution grids
- Renewable energy facilities (solar & wind power plants)
- Major infrastructure such as airports and seaports
- Industrial hubs and economic zones
About Sentra Elektrikal Prima
Sentra Elektrikal Prima supplies official Trafindo distribution transformers in various capacities. We provide expert consultation, customization, and reliable after-sales support. Explore our distribution transformer catalog or view other industrial electrical products.
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Conclusion
The 4000 kVA Trafindo 20kV ONAN distribution transformer is the ultimate choice for high-capacity, efficient, and reliable power distribution systems. Available now at SentraPrima.com.