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CTV 175 ISOLATOR EN VERRE U40B
| Video |
| Drawing |
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Parameter table |
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| Profile | Standard | Fog type | Fog type | |
| IEC-standard | U40B | U40BP | ||
| Factory-standard | U40M | |||
| Standard coupling, d | mm | 11 | 11 | 11 |
| Mechanical failing load | kN | 40 | 40 | 40 |
| Mechanical routine test | kN | 20 | 20 | 20 |
| Diameter of the insulating part, D | mm | 178 | 255 | 178 |
| Nominal Spacing, H | mm | 110 | 110 | 110 |
| Nominal creepage distance | mm | 190 | 320 | 300 |
| Power frequency puncture voltage | kV | 90 | 110 | 110 |
| power frequency withstand voltage - dry | kV | 55 | 70 | 60 |
| power frequency withstand voltage - wet | kV | 30 | 40 | 34 |
| Impulse puncture voltage | P.U | 2.8 | 2.8 | 2.8 |
| Radio influence voltage 10kV 1MHz | 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 |
| Weight | kg | 2.1 | 3 | 2.5 |