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Drawing
Parameter table
| Profile |
|
Standard |
Fog type |
Fog type |
| IEC-standard |
|
U40B |
|
U40BP |
| Factory-standard |
|
|
U40M |
|
| Standard coupling, d |
mm |
11 |
11 |
11 |
| Mechanical failing load |
kN |
40 |
40 |
40 |
| Mechanical routine test |
kN |
20 |
20 |
20 |
| Diameter of the insulating part, D |
mm |
178 |
255 |
178 |
| Nominal Spacing, H |
mm |
110 |
110 |
110 |
| Nominal creepage distance |
mm |
190 |
320 |
300 |
| Power frequency puncture voltage |
kV |
90 |
110 |
110 |
| power frequency withstand voltage - dry |
kV |
55 |
70 |
60 |
| power frequency withstand voltage - wet |
kV |
30 |
40 |
34 |
| Impulse puncture voltage |
P.U |
2.8 |
2.8 |
2.8 |
| Radio influence voltage 10kV 1MHz |
μv |
50 |
50 |
50 |
| Corona visual test |
kV |
18/22 |
18/22 |
18/22 |
| Power frequency electric arc voltage |
ka |
0.12s/20kA |
0.12s/20kA |
0.12s/20kA |
| Weight |
kg |
2.1 |
3 |
2.5 |
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