| Insulator type |
AC aerodynamic type |
| GB standard No. |
XMP-70 |
XMP-80 |
XMP-100 |
XMP-120 |
| Specified mechanical load (kN) |
70 |
80 |
100 |
120 |
| Class |
U70BL |
U80BL |
U100BL |
U120BS |
| Nominal unit spacing (mm) |
146 |
146 |
146 |
146 |
| Nominal diameter (mm) |
350 |
330 |
360 |
360 |
| Nominal creepage distance (mm) |
340 |
320 |
340 |
340 |
| Ball & socket size |
16 |
16 |
160 |
16 |
| Electro mechanical failing load (kN) |
70 |
80 |
100 |
120 |
| Mechanical routine test load (kN) |
35 |
40 |
50 |
60 |
| Power frequency withstand voltage |
Dry (kV) |
70 |
70 |
70 |
70 |
| Wet (kV) |
40 |
40 |
40 |
40 |
| Lightning impulse withstand voltage (kV) |
105 |
95 |
105 |
105 |
| Power frequency puncture voltage (kV) |
120 |
120 |
120 |
120 |
| Radio interference voltage |
Test voltage to ground (kV) |
10 |
10 |
10 |
10 |
| Max. RIV at 1MHz μV |
50 |
50 |
50 |
50 |
| Weight (kg) |
6.0 |
5.7 |
7.2 |
7.2 |
| Applicable standard: BG IEC BS IS |
Service Tel: 86-799-7616888
