Transformer bushings for outdoor and indoor use are employed as structure,carrying on conductor through a partition such as transformer tank.
Bushings of other voltage levels and high creepage distances can be also supplied upon customer request.
| Specifications | ||||
|---|---|---|---|---|
| Insulator Type | 10NI250 | 10NF250 | 20NF250 | 20NF250 |
| Creepage distance (mm) | 120 | 120 | 480 | 600 |
| Arcing distance (mm) | - | 190 | 270 | 360 |
| Nominal current (A) | 250 | 250 | 250 | 250 |
| Highest voltage of insulator (kV) | 12 | 12 | 24 | 36 |
| Lightning impulse withstand voltage (kV) | 60 | 75 | 125 | 170 |
| Dry power frequency withstand voltage (kV) | - | 30 | 55 | 77 |
| Wet power frequency withstand voltage (kV) | - | 28 | 50 | 70 |
| Average weight of insulator (kg) | 2.40 | 3.58 | 5.40 | 6.65 |
| Bending load (N) | 700 | 700 | 700 | 700 |
| Standard specification: DIN 42531, IEC 62155, IEC 60137 | ||||
Bushings of other voltage levels and high creepage distances can be also supplied upon customer request.
