


Introducing our groundbreaking oil-immersed transformer, a beacon of cutting-edge technology for energy conservation and environmental stewardship. Meticulously engineered, this transformer employs oil as its insulating and cooling medium, providing remarkable power conversion capabilities and exceptional heat dissipation. Specifically designed for robust power transmission and distribution systems, it is crafted to dramatically minimize energy consumption, boost grid efficiency, and lessen its ecological footprint.
1. Energy Efficient: With a highly advanced design, our transformer significantly reduces core and coil losses, elevating energy conversion efficiency and
substantially lowering operating energy consumption. This positions it as a critical component in cost-effective power management solutions.
2. Low Loss: Constructed with top-grade silicon steel sheets and state-of-the-art manufacturing techniques, it minimizes no-load and load
losses, thereby dramatically cutting total operational costs and ensuring outstanding economic performance.
3. Excellent Heat Dissipation: Employing oil as a cooling agent, it effectively dissipates heat via natural convection or forced oil
circulation, ensuring stable and reliable performance even under heavy load conditions, thereby extending equipment life.
4. Environmentally Friendly Design: Fully compliant with international energy-saving and environmental standards,
it contributes to reducing carbon emissions and environmental impact, making it the perfect choice for green projects and modern eco-friendly power
grids, fostering a sustainable and eco-conscious future.
5. Safe and Reliable: Crafted with premium insulation materials and exceptional craftsmanship, the transformer guarantees safe and stable
operation even in challenging grid conditions, providing unwavering reliability and peace of mind.

Product Model | Rated Capacity(kVA) | Connection Group | No-Load Loss | Load loss(W)(120°) |
S11-M-50/35 | 50 | Yyn0 Dyn11 | 160 | 1200/1140 |
S11-M-100/35 | 100 | 230 | 2010/1910 | |
S11-M-125/35 | 125 | 270 | 2370/2260 | |
S11-M-160/35 | 160 | 280 | 2820/2680 | |
S11-M-200/35 | 200 | 340 | 3320/3160 | |
S11-M-250/35 | 250 | 400 | 3950/3760 | |
S11-M-315/35 | 315 | 480 | 4750/4530 | |
S11-M-400/35 | 400 | 580 | 5740/5470 | |
S11-M-500/35 | 500 | 680 | 6910/6580 | |
S11-M-630/35 | 630 | 830 | 7860 | |
S11-M-800/35 | 800 | 980 | 9400 | |
S11-M-1000/35 | 1000 | 1150 | 11500 | |
S11-M-1250/35 | 1250 | 1400 | 13900 | |
S11-M-1600/35 | 1600 | 1690 | 16600 | |
S11-M-2000/35 | 2000 | 1990 | 19700 | |
S11-M-2500/35 | 2500 | 2360 | 23200 |
Our oil-immersed transformer is celebrated for its unparalleled performance and outstanding characteristics.
We offer bespoke customization services to meet your unique specifications and demands.
Experience unrivaled insulation and extraordinary heat dissipation, ensuring maximum reliability.
Benefit from extremely low no-load losses, quieter operation, and an extended service life for enduring excellence.



1. What about the lead time?
Firstly, let us know your requirements or application.
Secondly, we quote according to your requirements or our suggestions.
Thirdly, customer confirms the samples and places deposit for formal order.
Fourthly, we arrange the production.
Yes, we are 61 years factory,we can provide OEM (Original Equipment Manufacturer) services. We can customize the transformers according to your specifications, including branding, design, and packaging to meet your specific needs. Let us know your requirements, and we'll work with you to deliver a product that aligns with your request.
T/T, L/C,Visa Paypal for different circumstances.
Yes,we do 100% QC inspection.
Yes. We offer at least two years warranty for all of our transformer.