| Insulator type |
D.C. anti-pollution type (Double-shed) |
| GB standard No. |
XZWP-160 |
XZWP-210 |
XZWP-240 |
XZWP-300 |
| Specified mechanical load (kN) |
160 |
210 |
240 |
300 |
| Class |
U160BLP |
U210BSP |
U240BSP |
U300BP |
| Nominal unit spacing (mm) |
170 |
170 |
170 |
195 |
| Nominal diameter (mm) |
350 |
350 |
350 |
400 |
| Nominal creepage distance (mm) |
545 |
545 |
545 |
635 |
| Ball & socket size |
20 |
20/24 |
24 |
24 |
| Electro mechanical failing load (kN) |
160 |
210 |
240 |
300 |
| Mechanical routine test load (kN) |
80 |
105 |
120 |
150 |
| D.C. withstand voltage（±） |
Dry (kV) |
140 |
140 |
140 |
150 |
| Wet (kV) |
55 |
55 |
55 |
60 |
| Dry lightning impulse withstand voltage (kV) |
140 |
140 |
140 |
145 |
| Power frequency puncture voltage（±） |
Dry (kV) |
155 |
155 |
155 |
160 |
| Wet (kV) |
60 |
60 |
60 |
65 |
| puncture voltage inSF6(+) |
210 |
210 |
210 |
220 |
| Weigh (kg) |
12.4 |
13.7 |
14.3 |
22.1 |
| Applicable standard: GB IEC IS |
Service Tel: 86-799-7616888
