20NF250 High Voltage Transformer Bushing 5.1kg 125kV Lightning Impulse Withstand Voltage for Distribution Transformers
High Voltage Transformer Porcelain Bushing with brown glaze finish, designed for oil type distribution transformers. OEM configurations available to meet specific technical requirements.
| Model | Height (mm) | Creepage Distance (mm) | Power Frequency Withstand Voltage (kV) | Lightning Impulse Withstand Voltage (kV) | Weight (kg) |
|---|---|---|---|---|---|
| 20NF250 | 385 | 450 | 50 | 125 | 5.1 |
Transformer bushings serve as critical current-carrying elements that lead high and low voltage conductors from inside the transformer to the outside of the oil tank. They provide ground insulation and secure lead fixation while continuously carrying load current and withstanding short-circuit conditions.
Specifically designed for oil type distribution transformers in various industrial and utility applications.
- 2-3 years comprehensive quality guarantee
- Excellent performance backed by extensive exporting experience
- OEM design available for custom technical specifications
For ordering, please provide the following specifications:
- Rated voltage, current, and frequency
- Length of oil end
- Installation method
- Length of cable crossing (critical parameter)
- Length of CT mounting position (critical parameter)
- Environmental pollution level
- Altitude and environmental temperature
Custom designs can be developed according to specific user requirements.
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