kN
Power frequency withstand voltage -Dry one minute -Wet one minute
4
4.6
5.8
5.6
6
0.058
0.064
0.067
0.079
0.121
28
31.6
38.8
37.6
90
72
1.31
1.24
2.08
Insulators with specific protection against corrosion are also available
(1) in accordance with IEC publication 60305 (2) in accordance with IEC publication 60120 (3) in accordance with IEC publication 60383-1