| Insulator type |
AC Anti-pollution type (double-shed) |
| GB standard No. |
XWP-210 |
XWP3-210 |
XWP-240 |
XWP-300 |
| Specified mechanical load (kN) |
210 |
240 |
300 |
| Class |
U210BSP |
U210BSP |
U240BSP |
U300BP |
| Nominal unit spacing (mm) |
170 |
170 |
170 |
195 |
| Nominal diameter (mm) |
300 |
350 |
350 |
330 |
| Nominal creepage distance (mm) |
450 |
525 |
525 |
480 |
| Ball & socket size |
20/24 |
20 |
24 |
24 |
| Electro mechanical failing load (kN) |
210 |
210 |
240 |
300 |
| Mechanical routine test load (kN) |
105 |
105 |
120 |
150 |
| Power frequency withstand voltage |
Dry (kV) |
80 |
90 |
90 |
85 |
| Wet (kV) |
45 |
50 |
50 |
47 |
| Lightning impulse withstand voltage (kV) |
130 |
135 |
135 |
130 |
| 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) |
11.5 |
13.5 |
14 |
14.5 |
| Applicable standard: GB IEC AS BS IS |
Service Tel: 86-799-7616888
