| Insulator type |
AC normal type |
| GB standard No. |
XP-210 |
XP3-210 |
XP4-210 |
XP-225 |
| Fig |
1 |
2 |
1 |
2 |
| Specified mechanical load (kN) |
210 |
210 |
210 |
225 |
| Class |
U210BS |
U210BS |
U210BS |
U225B |
| Nominal unit spacing (mm) |
170 |
170 |
170 |
170 |
| Nominal diameter (mm) |
280 |
300 |
300 |
280 |
| Nominal creepage distance (mm) |
335/380 |
370/400 |
330 |
380 |
| Ball & socket size |
20/24 |
20/24 |
20 |
20 |
| Electro mechanical failing load (kN) |
210 |
210 |
210 |
225 |
| Mechanical routine test load (kN) |
105 |
105 |
105 |
112.5 |
| Power frequency withstand voltage |
Dry (kV) |
70/75 |
75 |
70 |
75 |
| Wet (kV) |
40/42 |
42 |
40 |
42 |
| Lightning impulse withstand voltage (kV) |
105 |
110 |
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) |
9.5/10.8 |
10.8/11 |
10.6 |
11.2 |
| Applicable standard: GB IEC AS BS IS |
Service Tel: 86-799-7616888
