3000KVA Substation Transformers 22800V ISO Oil Filled Distribution Transformers
Leilang Electric 3000KVA Three-Phase Oil Type Transformer 22800V to 4160V adopts KNAN/KNAF dual cooling mode and supports copper/aluminum winding customization, with stable performance, strong overload capacity, and long service life. The product is fully designed and manufactured in accordance with international standards, equipped with high-quality coils, off-load tap changer, and safe insulating oil, suitable for large industrial and mining, power stations, and urban power grid distribution scenarios.
This transformer adopts high-standard steel tank, shot blasting + anti-corrosion coating, with good sealing and durability. It supports PCB-free mineral oil, FR3, silicone and other insulating liquids, and is equipped with 5/6-position off-load tap changer to meet voltage regulation needs. Leilang Electric provides CE, ISO certification, strict factory inspection, 24-month warranty, and professional technical support to ensure long-term stable operation.
- KNAN/KNAF dual cooling mode, strong heat dissipation and overload capacity
- 22800V to 4160V voltage ratio, 60Hz, 3000KVA large capacity
- Copper/aluminum winding optional, high efficiency and low loss
- 5/6-position off-load tap changer for flexible voltage regulation
- PCB-free mineral oil / FR3 / silicone insulating liquid available
- Steel tank with shot blasting and anti-corrosion coating, long service life
- CE & ISO certified, complete factory test, reliable quality
| Item | Parameter |
|---|---|
| Rated Capacity | 3000KVA / 3500KVA |
| Phase | Three Phase |
| Primary Voltage | 22860Y/13200V |
| Secondary Voltage | 4160Y/2400V |
| Frequency | 60Hz |
| Cooling Method | KNAN / KNAF |
| Temperature Rise | Winding 65K / Top Oil 60K |
| Impedance Voltage | 6.5% |
| Winding Material | Copper / Aluminum Optional |
| Tap Changer | Off-load, 5/6 positions |
| Insulation Liquid | Mineral oil (PCB-free), FR3, silicone, etc. |
| Certifications | CE, ISO |
| Delivery Time | 30 days |
| Supply Ability | 1000 sets/month |
| MOQ | 1 unit |
| Warranty | 24 months from B/L |
- Packaging: Plywood case
- Payment: T/T
- OEM/ODM: Supported (custom voltage, logo, color, function)
- Free spare parts for easy wearing accessories
- Full technical support & after-sales service

It uses KNAN/KNAF dual cooling mode, with strong heat dissipation and excellent overload capacity, suitable for long-term full-load operation.
Yes, it supports copper or aluminum winding customization, to match your efficiency, cost and application requirements.
It is 3000KVA three-phase oil-immersed transformer, with input 22800V and output 4160V, 60Hz standard.
This product has CE & ISO certification, and passes complete factory tests to meet international safety and quality standards.
It uses PCB-free mineral oil as standard; FR3, silicone and other high-performance insulating liquids are also available upon request.
Yes, it is equipped with 5/6-position off-load tap changer, which can adjust voltage stably and flexibly to meet site power distribution needs.
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