| Insulator type | AC normal type | ||||
| GB standard No. | XP-45C-M | XP5-70C-M | XP5-70-M | XP-70-M | |
| Fig | 1 | 2 | 3 | 3 | |
| Specified mechanical load (kN) | 45 | 70 | |||
| ANSI standard No. | 52-1 | 52-2 | 52-2 | 52-3 | |
| Nominal unit spacing (mm) | 140 | 146 | 146 | 146 | |
| Nominal diameter (mm) | 160 | 200 | 200 | 225 | |
| Minimum creepage distance (mm) | 178 | 210 | 210 | 292 | |
| Combined M&E strength (kN) | 45 | 70 | 70 | 70 | |
| Tension proof test load (kN) | 22.5 | 35 | 35 | 35 | |
| Mechanical impact strength (Nm) | 5 | 6 | 6 | 6 | |
| Low frequency flashover voltage | Dry kV | 60 | 65 | 65 | 80 |
| Wet (kV) | 30 | 35 | 35 | 50 | |
| Critical impulse flashover voltage | Positive (kV) | 100 | 115 | 115 | 125 |
| Negative (kV) | 100 | 115 | 115 | 130 | |
| Low frequency puncture voltage (kV) | 80 | 90 | 90 | 110 | |
| Radio interference voltage | Test voltage to ground (kV) | 7.5 | 10 | 10 | 10 |
| Max. RIV at 1MHz (μV) | 50 | 50 | 50 | 50 | |
| Weight (kg) | 2.5 | 3.6 | 3.6 | 4.6 | |
| Applicable standard: ANSI C29.2 | |||||
