10kv/20kv/35kv 0.4 Oil-Immersed Three-Phase Transformer
Introducing our superior 20kV oil-immersed transformer, an expertly crafted piece of electrical equipment that utilizes insulating oil as its medium. This robust apparatus comprises an iron core, a coil, a voltage regulating switch, an oil tank, and more. Designed to efficiently transform voltage and convey alternating current energy, this product stands out with its compact size, competitive pricing, and exceptional weather resilience. It finds extensive applications across power systems, industrial and mining operations, transportation sectors, postal and telecommunications departments, as well as scientific research institutions.

Product Parameters:
nominal capacity | high voltage side | High voltage tap range | low voltage side | Connection group labeling | No- load loss | Load Loss | No-load current | Short Circuit Impedance |
30KVA | 11KV 10.5KV 10KV 6.3KV 6KV | ±5 ±2×2.5% | 0.4KV 0.69KV | Dyn11 Yyn0 | 100W | 630/600W | 2.3% | 4% |
50KVA | 130W | 910/870W | 2.0% | 4% | ||||
63KVA | 150W | 1090/1040W | 1.9% | 4% | ||||
80KVA | 180W | 1310/1250W | 1.9% | 4% | ||||
100KVA | 200W | 1580/1500W | 1.8% | 4% | ||||
125KVA | 240W | 1890/1800W | 1.7% | 4% | ||||
160KVA | 280W | 2310/2200W | 1.6% | 4% | ||||
200KVA | 340W | 2730/2600W | 1.5% | 4% | ||||
250KVA | 400W | 3200/3050W | 1.4% | 4% | ||||
315KVA | 480W | 3830/3650W | 1.4% | 4% | ||||
400KVA | 570W | 4520/4300W | 1.3% | 4% | ||||
500KVA | 680W | 5410/5150W | 1.2% | 4% | ||||
630KVA | 810W | 6200W | 1.1% | 4.5% | ||||
800KVA | 960W | 7500W | 1.0% | 4.5% | ||||
1000KVA | 1150W | 10300W | 1.0% | 4.5% | ||||
1250KVA | 1360W | 12000W | 0.9% | 4.5% | ||||
1600KVA | 1640W | 14500W | 0.8% | 4.5% | ||||
2000KVA | 1960W | 19800W | 0.8% | 5% | ||||
2500KVA | 2310W | 23000W | 0.7% | 5% |
Packaging & Shipping:



Installation Instructions:
1. Installation form:
Our 20kV oil-immersed transformers can be installed in a variety of ways, including pole-mounted setups, outdoor installations, and indoor transformer configurations, offering flexibility and adaptability to diverse environments.
For outdoor installations, secure the transformer on a reinforced concrete foundation. Indoor setups should ensure the transformer's front aligns seamlessly with the cabinet, maintaining a snug fit against the distribution panel without gaps.
2. Installation steps:
When positioning the transformer, utilize the specially engineered force points and implement anti-slip measures for maximum stability.
During transportation and installation, maintain the transformer body's tilt within specified limits (a maximum of 15° along the long axis and 10° along the short axis) to ensure safety and performance.
During assembly, ensure optimal spacing between parts to prevent excessive tightness or looseness, which could impact functionality.
Correctly install terminals by choosing appropriate insulation disks based on actual requirements and ensure accurate wiring for seamless operation.
3. Attachment installation:
For accessories like gas relays, pressure relief devices, moisture absorbers, and sleeves, adhere to industry standards and manufacturer guidelines to ensure compliance and reliability.
Company Profile:

We proudly lead the way with prestigious certifications such as ISO9001 for international quality management, ISO14001 for environmental management, and OHSMS18001 for occupational health and safety. Our products have all achieved CCC certification, and our accolades include esteemed titles like 'Jiangsu High-tech Enterprise', 'Jiangsu Private Science and Technology Enterprise', 'Jiangsu Famous Brand Product', and 'National Quality Integrity Demonstration Enterprise'.




Certificates:

FAQ:
1. Are you a trading company or manufacturer?
We are a distinguished manufacturing facility with a decade-long expertise in the high and low voltage switchgear sector, encompassing substations, transformers, cable distribution boxes, and a wide array of electrical apparatus, including vacuum circuit breakers and load break switches.
Our factory is recognized as a top-tier supplier to the State Grid Corporation of China.
2. Do you accept customized service?
Yes, we proudly offer OEM/ODM services that allow us to customize products to your specifications. We can seamlessly incorporate your logo onto our products. Our dedicated team of seasoned technicians and pricing specialists will work closely with you to develop a tailored solution that aligns perfectly with your design and parameter requirements.
3. What is your MOQ?
Our Minimum Order Quantity (MOQ) is conveniently set at just 1 piece, allowing you the flexibility to order as per your immediate needs.
4. How long is your delivery lead time?
The delivery lead time is contingent upon your specific product requirements and order quantity. Typically, we ensure that delivery is completed within a swift timeframe of 5 to 10 working days.
5. How do you solve quality problems?
Please provide us with detailed photographs illustrating the quality issues. Our dedicated technical and quality testing department will conduct a thorough analysis. We are committed to offering a satisfactory solution within 2 days, ensuring your complete peace of mind.
6. What are your payment terms?
Our payment terms are flexible and designed to suit your convenience: 30% T/T in advance and the remaining 70% before shipment. We also accept secure transactions via Western Union and L/C.