| Insulator type |
AC anti-pollution type |
| GB standard No. |
XHP-190 |
XHP-210 |
XHP1-210 |
XHP-225 |
| Fig |
2 |
1 |
2 |
2 |
| Specified mechanical load (kN) |
190 |
210 |
225 |
| Class |
U190BSP |
U210BS |
U210BSP |
U225BSP |
| Nominal unit spacing (mm) |
170 |
170 |
170 |
170 |
| Nominal diameter (mm) |
340 |
300 |
330 |
320 |
| Nominal creepage distance (mm) |
556 |
450/470 |
550 |
550 |
| Ball & socket size |
20/24 |
20/24 |
20 |
20 |
| Electro mechanical failing load (kN) |
190 |
21 |
210 |
225 |
| Mechanical routine test load (kN) |
95 |
105 |
105 |
112.5 |
| Power frequency withstand voltage |
Dry (kV) |
90 |
80 |
90 |
90 |
| Wet (kV) |
55 |
45 |
55 |
55 |
| Lightning impulse withstand voltage (kV) |
135 |
130 |
135 |
135 |
| Power frequency puncture voltage (kV) |
130 |
130 |
130 |
103 |
| Radio interference voltage |
Test voltage to ground (kV) |
10 |
10 |
10 |
10 |
| Max . RIV at 1MHz (μV) |
50 |
50 |
50 |
50 |
| Weight (kg) |
15 |
12.5 |
14.6 |
14.5 |
| Applicable standard: GB IEC AS BS IS |
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