Porcelain Disc Insulator; Pin Disc Insulator; High Voltage Disc Insulator
The porcelain disc insulator if for high voltage transmission line or distrubuton station to keep insulation.
| Model | Creepage distance(mm) | D(diameter)mm | H(highth)mm | Power frequency puncture voltage(KV) |
| 52-1 | 178 | 165 | 139 | 80 |
| 52-2 | 210 | 190.5 | 146 | 90 |
| 52-3 | 292 | 254 | 146 | 110 |
| 52-4 | 292 | 254 | 146 | 110 |




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