| Basic type | Figure No. | Minimum mechanical failing load(kN) | Nominal diameter D(mm) | Nominal spacing P(mm) | Nominal creepage distance (mm) | Standard coupling | Wet power frequency withstand voltage (kV) | Dry lightning impulse withstand voltage (kV) | Power frequency puncture voltage (kV) | Radio interference voltage (μ V) 10kV 1MHz | Corona visual test P/C kV | Power frequency electric arc voltage | Impulse puncture voltage (P.U) | Net weight (kg) |
| UG40B110/190N (U40B) |
1-3 | 40 | 178 | 110 | 190 | 11 | 25 | 50 | 90 | 50 | 18/22 | 0.12s/20kA | 2.8 | 2.1 |
| UG70B127/320N (U70BS) |
1-3 | 70 | 255 | 127 | 320 | 16 | 40 | 100 | 130 | 50 | 18/22 | 0.12s/20kA | 2.8 | 3.5 |
| UG70B146/320 (U70BL) |
1-3 | 70 | 255 | 146 | 320 | 16 | 40 | 100 | 130 | 50 | 18/22 | 0.12s/20kA | 2.8 | 3.6 |
| UG100B146/320N (U100BS) |
1-3 | 100 | 255 | 146 | 320 | 16 | 40 | 100 | 130 | 50 | 18/22 | 0.12s/20kA | 2.8 | 4 |
| UG120B146/132N (U120B) |
1-3 | 120 | 255 | 146 | 400 | 16 | 40 | 100 | 130 | 50 | 18/22 | 0.12s/20kA | 2.8 | 4 |
| UG160B146/400N (U160BS) |
1-3 | 160 | 280 | 146 | 400 | 20 | 45 | 110 | 130 | 50 | 18/22 | 0.12s/20kA | 2.8 | 6.5 |
| UG160B155/400N (U160BM) |
1-3 | 160 | 280 | 155 | 400 | 20 | 45 | 110 | 130 | 50 | 18/22 | 0.12s/20kA | 2.8 | 6.6 |
| UG160B170/400N (U160BL) |
1-3 | 160 | 280 | 170 | 400 | 20 | 45 | 110 | 130 | 50 | 18/22 | 0.12s/20kA | 2.8 | 6.7 |
| UG210B170/400N (U210B) |
1-3 | 210 | 280 | 170 | 400 | 20 | 45 | 110 | 130 | 50 | 18/22 | 0.12s/20kA | 2.8 | 7.2 |
| UG240B170/400N (U240B) |
1-3 | 240 | 280 | 170 | 400 | 20/24 | 45 | 110 | 130 | 50 | 18/22 | 0.12s/20kA | 2.8 | 7.2 |
| UG300B195/485N (U300B) |
1-3 | 300 | 320 | 195 | 485 | 24 | 50 | 130 | 130 | 50 | 18/22 | 0.12s/20kA | 2.8 | 10.6 |
| UG420B205/550N (U420B) |
1-3 | 420 | 360 | 205 | 550 | 28 | 80 | 140 | 140 | 50 | 18/22 | 0.12s/20kA | 2.8 | 16 |
| UG550B240/620N (U550B) |
1-3 | 550 | 380 | 240 | 600 | 32 | 55 | 140 | 140 | 50 | 18/22 | 0.12s/20kA | 2.8 | 21.5 |
| Note:1. The product model is in accordance with GB/T 7253-2005 and JB/T 9683-2012 (IEC60305:1995, MOD). The 420kN strength grade product contains 400kN strength grade, and the 550kN strength grade product contains 530kN strength grade. 2. The connection structure is in accordance with GB/T 4056-2008 (IEC60120: 1984, MOD) and BS 3288 Part 3. According to the customer's request, the locking pin can be W-pin or R-pin. Unless otherwise specified, U70~U120 adopts W pin, and other uses R pin. |
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