| 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 |
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