| 通用代號(hào) | U120BP/146H | U120BP/146H | U120BP/146H |
| ( mm )公稱直徑 D | 260 | 280 | 320 |
| ( mm )結(jié)構(gòu)高度 H | 146 | 146 | 146 |
| ( mm )公稱爬電距離 L | 400 | 450 | 550 |
| ( mm )聯(lián)接型式 | 16 | 16 | 16 |
| ( kN )機(jī)械破壞負(fù)荷 | 120 | 120 | 120 |
| ( kN )逐個(gè)拉伸負(fù)荷試驗(yàn) | 60 | 60 | 60 |
| ( kV )工頻濕耐受電壓 | 45 | 50 | 55 |
| ( kV )雷電沖擊耐受電壓 | 110 | 125 | 140 |
| ( P.U )沖擊擊穿電壓 | 2.8 | 2.8 | 2.8 |
| ( kV )工頻擊穿電壓 | 130 | 130 | 130 |
| ( µV )無線電干擾 ( 10kV,1MHz) | 50 | 50 | 50 |
| ( kV )可見電暈 腳 / 帽 | 18/22 | 18/22 | 18/22 |
| 工頻電弧試驗(yàn) | 0.12s/20kA | 0.12s/20kA | 0.12s/20kA |
| ( kg )絕緣子單片凈重 | 5.4 | 5.8 | 9.2 |
