| Insulator type | AC aerodynamic type | |||
| GB standard No. | XMP-160 | XMP2-160 | XMP-210 | |
| Specified mechanical load (kN) | 160 | 210 | ||
| Class | U160BM | U106BS | U210BS | |
| Nominal unit spacing (mm) | 155 | 146 | 170 | |
| Nominal diameter (mm) | 360 | 425 | 440 | |
| Nominal creepage distance (mm) | 350 | 400 | 380 | |
| Ball & socket size | 20 | 20 | 20 | |
| Electro mechanical failing load (kN) | 160 | 160 | 210 | |
| Mechanical routine test load (kN) | 80 | 80 | 105 | |
| Power frequency withstand voltage | Dry kV | 70 | 75 | 75 |
| Wet (kV) | 40 | 45 | 45 | |
| Lightning impulse withstand voltage (kV) | 105 | 110 | 110 | |
| Radio interference voltage | Test voltage to ground (kV) | 10 | 10 | 10 |
| Max. RIV at 1MHz (μV) | 50 | 50 | 50 | |
| Weight (kg) | 8.0 | 10.6 | 11.2 | |
| Applicable standard: BG IEC BS IS | ||||
