Description
| Basic type | Minimum mechanical failing load (kN) | Nominal diameter D(mm) | Nominal spacing P(mm) | Nominal creepage distance(mm) | Standard coupling/PIN | One by one tensile load test | Wet power frequency withstand voltage (kV) | Dry lightning impulse withstand voltage (kV) | Net weight (kg) |
| U40B | 40 | 178 | 110 | 185 | 11 | 20 | 25 | 50 | 2.1 |
| U70BS U70B/127 | 70 | 255 | 127 | 320 | 16 | 35 | 40 | 100 | 3.77 |
| U70BL U70B/146 | 70 | 255 | 146 | 320 | 16 | 35 | 40 | 100 | 3.78 |
| U100BS U100B/127 | 100 | 255 | 127 | 320 | 16 | 50 | 40 | 100 | 3.9 |
| U100BL U100B/146 | 100 | 255 | 146 | 320 | 16 | 50 | 40 | 100 | 4 |
| U120B U120B/127 | 120 | 255 | 127 | 320 | 16 | 60 | 40 | 100 | 3.9 |
| U120B U120B/146 | 120 | 255 | 146 | 320 | 16 | 60 | 40 | 100 | 4.2 |
| U160BS U160B/146 | 160 | 280 | 146 | 400 | 20 | 80 | 45 | 125 | 6 |
| U160BS U160BM U160B/155 | 160 | 280 | 155 | 400 | 20 | 80 | 45 | 125 | 6.2 |
| U160BL U160B/170 | 160 | 280 | 170 | 400 | 20 | 80 | 45 | 125 | 6.5 |
| U210B U120B/170 | 210 | 280 | 170 | 400 | 20 | 105 | 45 | 105 | 6.7 |
