| Insulator type |
AC anti-pollution type |
| GB standard No. |
XHP-160 |
XHP1-160 |
XHP2-160 |
XHP3-160 |
| Fig |
1 |
1 |
2 |
2 |
| Specified mechanical load (kN) |
160 |
| Class |
U160BMP |
U160BSP |
U160BLP |
U160BLP |
| Nominal unit spacing (mm) |
155 |
146 |
170 |
170 |
| Nominal diameter (mm) |
300/330 |
330 |
320/330 |
320 |
| Nominal creepage distance (mm) |
450 |
450 |
525 |
550 |
| Ball & socket size |
20 |
20 |
20 |
20 |
| Electro mechanical failing load (kN) |
160 |
160 |
160 |
160 |
| Mechanical routine test load (kN) |
80 |
80 |
80 |
80 |
| Power frequency withstand voltage |
Dry (kV) |
80 |
80 |
90 |
90 |
| Wet (kV) |
45 |
45 |
55 |
55 |
| Lightning impulse withstand voltage (kV) |
120 |
120 |
135 |
135 |
| Power frequency puncture voltage (kV) |
130 |
130 |
130 |
130 |
| Radio interference voltage |
Test voltage to ground (kV) |
10 |
10 |
10 |
10 |
| Max . RIV at 1MHz (μV) |
50 |
50 |
50 |
50 |
| Weight (kg) |
10.3/10.5 |
10.4 |
11.5 |
12.5 |
| Applicable standard: GB IEC AS BS IS |
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