| Insulator type | AC normal type | ||||
| GB standard No. | XP-70C-M | XP-110-M | XP-110C-M | XP-160-M | |
| Fig | 2 | 1 | 2 | 1 | |
| Specified mechanical load (kN) | 70 | 110 | 110 | 160 | |
| ANSI standard No. | 52-4 | 52-5 | 52-6 | 52-8 | |
| Nominal unit spacing (mm) | 146 | 146 | 146 | 146 | |
| Nominal diameter (mm) | 255 | 255 | 255 | 255 | |
| Minimum creepage distance (mm) | 292 | 280 | 280 | 320 | |
| Combined M&E strength (kN) | 70 | 111 | 111 | 160 | |
| Tension proof test load (kN) | 35 | 55.5 | 55.5 | 80 | |
| Mechanical impact strength (Nm) | 6 | 7 | 7 | 10 | |
| Low frequency flashover voltage | Dry kV | 80 | 80 | 80 | 80 |
| Wet (kV) | 50 | 50 | 50 | 50 | |
| Critical impulse flashover voltage | Positive (kV) | 125 | 125 | 125 | 125 |
| Negative (kV) | 130 | 130 | 130 | 130 | |
| Low frequency puncture voltage (kV) | 110 | 110 | 110 | 110 | |
| Radio interference voltage | Test voltage to ground (kV) | 10 | 10 | 10 | 10 |
| Max. RIV at 1MHz (μV) | 50 | 50 | 50 | 50 | |
| Weight (kg) | 4.9 | 5.6 | 5.6 | 6.7 | |
| Applicable standard: ANSI C29.2 | |||||
