| Insulator type | AC anti-pollution type | ||||
| GB standard No. | XHP-160 | XHP1-160 | XHP2-160 | XHP3-160 | |
| Fig | 1 | 1 | 2 | 2 | |
| Specified mechanical load (kN) | 160 | ||||
| Class | U160BMP | U160BSP | U160BLP | U160BLP | |
| Nominal unit spacing (mm) | 155 | 146 | 170 | 170 | |
| Nominal diameter (mm) | 300/330 | 330 | 320/330 | 320 | |
| Nominal creepage distance (mm) | 450 | 450 | 525 | 550 | |
| Ball & socket size | 20 | 20 | 20 | 20 | |
| Electro mechanical failing load (kN) | 160 | 160 | 160 | 160 | |
| Mechanical routine test load (kN) | 80 | 80 | 80 | 80 | |
| Power frequency withstand voltage | Dry kV | 80 | 80 | 90 | 90 |
| Wet (kV) | 45 | 45 | 55 | 55 | |
| Lightning impulse withstand voltage (kV) | 120 | 120 | 135 | 135 | |
| Power frequency puncture voltage (kV) | 130 | 130 | 130 | 130 | |
| Radio interference voltage | Test voltage to ground (kV) | 10 | 10 | 10 | 10 |
| Max . RIV at 1MHz (μV) | 50 | 50 | 50 | 50 | |
| Weight (kg) | 10.3/10.5 | 10.4 | 11.5 | 12.5 | |
| Applicable standard: GB IEC AS BS IS | |||||
