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The ONAN Transformer: A Reliable Power Solution
The ONAN transformer is renowned for its efficiency and reliability in power distribution systems. With a capacity of 100 kVA, this transformer is designed to meet the demands of various industrial applications. Its robust construction and advanced technology make it a preferred choice among manufacturers and end-users alike.

Manufactured in China, the ONAN transformer benefits from the country’s strong industrial base and expertise in electrical equipment production. Chinese manufacturing companies have gained a reputation for producing high-quality transformers that comply with international standards. This ensures that the ONAN transformer not only meets but often exceeds customer expectations.
One of the standout features of the ONAN transformer is its oil cooling system, which enhances its performance and longevity. This cooling method allows for efficient heat dissipation, ensuring the transformer operates within safe temperature limits. Customers can rely on the ONAN transformer for stable and continuous power supply, crucial for maintaining operational efficiency.
High-Quality Manufacturing Standards
The manufacturing process of ONAN transformers adheres to stringent quality control measures. Each unit undergoes rigorous testing to ensure optimal performance and durability. This commitment to quality is what sets ONAN transformers apart from competitors in the market, making them a leading choice in the industry.
Chinese manufacturing companies have invested heavily in modernizing their facilities and adopting cutting-edge technologies. This focus on innovation allows for the production of high-quality transformers that are both cost-effective and reliable. Customers can feel confident knowing they are purchasing a product that is built to last.
| Type | Rated capacity (KVA) | Voltage combination(KV) | No-load losses(W) | Load losses(W) | No-load current (%) | Short-circuit impedance (%) |
| S11-630 | 630 | 33,35/6.3,6.6,10.5,11 | 830 | 7870 | 1.10 | 6.5 |
| S11-800 | 800 | 33,35/6.3,6.6,10.5,11 | 980 | 9410 | 1.00 | 6.5 |
| S11-1000 | 1000 | 33,35/6.3,6.6,10.5,11 | 1150 | 11540 | 1.00 | 6.5 |
| S11-1250 | 1250 | 33,35/6.3,6.6,10.5,11 | 1410 | 13940 | 0.90 | 6.5 |
| S11-1600 | 1600 | 33,35/6.3,6.6,10.5,11 | 1700 | 16670 | 0.80 | 6.5 |
| S11-2000 | 2000 | 33,35/6.3,6.6,10.5,11 | 2180 | 18380 | 0.70 | 6.5 |
| S11-2500 | 2500 | 33,35/6.3,6.6,10.5,11 | 2560 | 19670 | 0.60 | 6.5 |
| S11-3150 | 3150 | 33,35/6.3,6.6,10.5,11 | 3040 | 23090 | 0.56 | 7.0 |
| S11-4000 | 4000 | 33,35/6.3,6.6,10.5,11 | 3620 | 27360 | 0.56 | 7.0 |
| S11-5000 | 5000 | 33,35/6.3,6.6,10.5,11 | 4320 | 31380 | 0.48 | 7.0 |
| S11-6300 | 6300 | 33,35/6.3,6.6,10.5,11 | 5250 | 35060 | 0.48 | 7.5 |
| S11-8000 | 8000 | 33,35/6.3,6.6,10.5,11 | 7200 | 38500 | 0.42 | 7.5 |
| S11-10000 | 10000 | 33,35/6.3,6.6,10.5,11 | 8700 | 45300 | 0.42 | 7.5 |
| S11-12500 | 12500 | 33,35/6.3,6.6,10.5,11 | 10080 | 53900 | 0.40 | 8.0 |
| S11-16000 | 16000 | 33,35/6.3,6.6,10.5,11 | 12160 | 65800 | 0.40 | 8.0 |
| S11-20000 | 20000 | 33,35/6.3,6.6,10.5,11 | 14400 | 79500 | 0.40 | 8.0 |
| S11-25000 | 25000 | 33,35/6.3,6.6,10.5,11 | 17020 | 94100 | 0.32 | 8.0 |
| S11-31500 | 31500 | 33,35/6.3,6.6,10.5,11 | 20220 | 112900 | 0.32 | 8.0 |
Additionally, the use of premium materials in the construction of ONAN transformers contributes to their overall performance. The careful selection of components ensures that these transformers can withstand harsh operating conditions, making them suitable for various environments, from industrial plants to urban power grids.
Why Choose ONAN Transformers?
Choosing ONAN transformers means selecting a product that embodies quality and dependability. The 100 kVA transformer is designed for versatility, making it suitable for a wide range of applications. Whether it’s for commercial use or large-scale industrial projects, ONAN transformers deliver unmatched performance.
Furthermore, customer support is a key aspect of the ONAN experience. The manufacturing company offers comprehensive after-sales services, ensuring that clients receive assistance whenever necessary. This level of support demonstrates their commitment to customer satisfaction and helps build long-term relationships in the market.
In conclusion, the ONAN transformer represents a top-tier choice for those seeking high-quality electrical solutions. With competitive pricing and a strong emphasis on quality, customers can trust that they are investing in a product that will serve their needs for many years to come. Don’t miss the oportunity to enhance your power distribution systems with ONAN transformers!

