Description
CTV 254 Isolateur En Verre Technical Specifications
| Item | - | CTV 175 | CTV 254 | |
| IEC Designation | - | U40B/110 | U70B/146 | U70B/127 |
| Nominal Diameter D | mm | 178 | 255 | 255 |
| Nominal Height H | mm | 110 | 146 | 127 |
| Nominal Creepage Distance L | mm | 185 | 320 | 320 |
| Socket Coupling | mm | 11 | 16 | 16 |
| Mechanical Failing Load | kN | 40 | 70 | 70 |
| Mechanical Routine Test | kN | 20 | 35 | 35 |
| Wet Power Frequency Withstand Voltage | kV | 25 | 40 | 40 |
| Dry Lightning Impulse Withstand Voltage | kV | 70 | 100 | 100 |
| Impulse Puncture Voltage | P.U | 2.8 | 2.8 | 2.8 |
| Power Frequency Puncture Voltage | kV | 90 | 130 | 130 |
| Radio Influence Voltage | μv | 50 | 50 | 50 |
| Corona Visual Test | kV | 18/22 | 18/22 | 18/22 |
| Power Frequency Electric Arc Voltage | kA | 0.12s/20kA | 0.12s/20kA | 0.12s/20kA |
| Net Weight Per Unit | kg | 1.7 | 3.6 | 3.5 |
