| ? CLASS ANSI | 56-1 | 56-2 | 56-3 | 56-4 | 56-5 | ||
| ? FIG | 1 | 1 | 2 | 2 | 3 | ||
??
| H | 146 | 165 | 191 | 241 | 318 | |
h | 50.8 | 50.8 | 50.8 | 50.8 | 63.5 | ||
D | 191 | 228 | 267 | 305 | 343 | ||
d | 34.9 | 34.9 | 34.9 | 34.9 | 34.9 | ||
R1 | 19 | 19 | 19 | 19 | 19 | ||
R2 | 14 | 14 | 14 | 14 | 14 | ||
| ?? NOMINAL VOLAGE/KV | 23 | 23 | 35 | 46 | 69 | ||
| CREEPAGE DISTANCE/MM | 330 | 430 | 533 | 685 | 865 | ||
??? | ? POWER-FREQUENCY | CRY/KV | 95 | 110 | 125 | 140 | 175 |
?? WET/KV | 60 | 70 | 80 | 95 | 125 | ||
50% ? 50% IMPULSE | POSITIVE/KV | 150 | 175 | 200 | 225 | 270 | |
NEGATIVE/KV | 190 | 225 | 265 | 310 | 340 | ||
| ?w? RADIL-INFLUENCE-VOLTAGE DATA | ??? TEST VOLTAGE TO GROUND/KV | 15 | 22 | 30 | 30 | 44 | |
1000g? MAXIMUM RIV AT 1000KHZ/uKV | 100 | 100 | 200 | 200 | 200 | ||
| ???? LOW-FRENQUENCY PUNCTURE VOLTAGE AGERAGE/KV | 130 | 145 | 165 | 186 | 225 | ||
| ? DRY ARCING DISTANCEMM | 178 | 210 | 241.3 | 285 | 356 | ||
| ? XATILEVER FAILING LOADLB | 1134 | 1360 | 1360 | 1360 | 1360 | ||
| WEINGT/KG | 3.7 | 5.3 | 7 | 10.8 | 13.5 | ||