| 通用代號 | U160B/170 | U160B/155 | U160B/146 |
| ( mm )公稱直徑 D | 280 | 280 | 280 |
| ( mm )結構高度 H | 170 | 155 | 146 |
| ( mm )公稱爬電距離 L | 400 | 400 | 400 |
| ( mm )聯(lián)接型式 | 20 | 20 | 20 |
| ( kN )機械破壞負荷 | 160 | 160 | 160 |
| ( kN )逐個拉伸負荷試驗 | 80 | 80 | 80 |
| ( kV )工頻濕耐受電壓 | 45 | 45 | 45 |
| ( kV )雷電沖擊耐受電壓 | 110 | 110 | 110 |
| ( 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 | 0.12s/20kA | 0.12s/20kA | 0.12s/20kA |
| ( kg )絕緣子單片凈重 | 6.7 | 6.6 | 6.5 |
