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22
-28
kV COMPOSITE
INSULATORS
Nominal System
Voltage
kV
Min. Creepage
Distance
mm
Section Length
mm
Rated
Mechanical
tensile load
kN
Wet power
freq. 1 min.
withstand
voltage
kV
Dry lighting
impulse
withstand
voltage
kV
22
603
425
60
60
140
22
568
333
65
60
140
22
850
444
70
60
140
22
635
444
70
60
140
22
580
349
70
60
140
22
817
397
70
60
140
22
580
349
80
60
140
22
708
365
80
60
140
22
657
378
80
60
160
22
622
458
95
60
160
22
850
444
100
60
140
23
645
442
70
70
204
25
643
451
70
110
200
*
The design and material of end fittings
as per Standard / Customer requirement
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