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220
- 245
KV
COMPOSITE INSULATORS
Nominal System
Voltage
kV
Min. Creepage
Distance
mm
Section Length
mm
Arcing distance mm
Rated
Mechanical
tensile load
kN
Wet power
freq. 1 min.
withstand
voltage
kV
Dry lighting
impulse
withstand
voltage
kV
220
7077
2057
1788
70
460
1050
220
5040
2240
1914
100
395
1000
220
6300
2240
1916
100
395
1000
220
7000
2230
1905
100
395
1000
220
5040
2350
2024
100
395
1000
220
6450
2540
2216
100
395
1000
220
6300
2240
1916
100
395
1000
220
6300
2350
2015
100
395
1000
220
5600
2190
1865
100
395
1000
220
6300
2190
1866
100
395
1000
220
4840
2150
1825
100
395
1000
220
5040
2150
1825
100
395
1000
220
5040
2240
1914
100
395
1000
220
6300
2150
1824
100
395
1000
220
6300
2240
1914
100
395
1000
220
6300
2170
1844
120
395
1000
220
6300
2240
1914
120
395
1000
220
6300
2350
2025
120
395
1000
220
7629
2254
1929
120
460
1050
220
4953
1520
1194
120
400
700
220
5945
1760
1434
120
450
850
220
5454
1790
1466
120
420
900
220
5500
2060
1734
120
460
950
220
5697
2120
1796
120
460
1000
220
6000
2004
1678
120
395
950
220
6300
2240
1856
160
395
1000
220
4840
2150
1764
160
395
1000
220
5040
2240
1855
160
395
1000
220
6300
2150
1765
160
395
1000
220
6300
2240
1856
160
395
1000
220
6300
2350
1965
160
395
1000
220
6830
2510
2125
160
470
1050
220
7681
2185
1799
160
495
1000
220
6264
2330
1945
160
525
1165
220
6578
2380
1994
160
550
1050
*
The design and material of end fittings
as per Standard / Customer requirement
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