


Introducing our groundbreaking oil-immersed transformer, a true marvel in the realm of energy conservation and environmental stewardship. Meticulously engineered, this transformer leverages oil for both insulation and cooling, delivering remarkable power conversion coupled with outstanding heat dissipation capabilities. Exquisitely designed for robust power transmission and distribution networks, it is expertly crafted to dramatically lower energy use, boost grid efficiency, and minimize ecological footprint.
1. Energy Efficient: Featuring an advanced design, our transformer optimizes core and coil efficiency, elevating the overall energy conversion process while
significantly curbing operating energy usage. This makes it an indispensable asset for cost-effective and energy-conscious power solutions.
2. Low Loss: Engineered with top-grade silicon steel sheets and state-of-the-art fabrication techniques, it effectively minimizes no-load and load
losses, driving a significant reduction in total operational expenses and ensuring excellent economic performance.
3. Excellent Heat Dissipation: By utilizing oil as a cooling agent, it excels in heat dissipation through natural convection or forced oil
circulation, ensuring stable and reliable operation even under heavy load conditions, thereby extending the device's lifespan.
4. Environmentally Friendly Design: Fully aligned with international energy-saving and environmental guidelines,
it plays a crucial role in reducing carbon emissions and environmental impact, making it the perfect choice for eco-friendly initiatives and modern sustainable power
grids, fostering a greener and more sustainable future.
5. Safe and Reliable: Crafted with premium insulation materials and exemplary craftsmanship, the transformer guarantees safe and stable
operation in demanding grid conditions, offering 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 exceptional performance and distinguished features.
We provide bespoke customization services designed to meet your unique specifications and requirements.
Experience unparalleled insulation and superior heat dissipation, ensuring maximum reliability.
Benefit from extremely low no-load losses, quieter operations, and extended service life for lasting 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.