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Insulators for Overhead Lines
Insulators for regions with polluted atmosphere
| Type of insulator |
Ultimate Mechanical
Strength of insulators, KN, not less
|
Diametr of glass shed (D), mm
|
Spacing, mm
|
Lickage distance, mm |
Weight, kg |
Voltage withstand, kV,
not less
|
| impulse |
frequency 50 Hz, wet |
radio interference level |
| Glass |
|
|
|
|
|
|
|
|
| PSD 70Е |
70 |
270 |
127 |
411 |
4,6 |
110 |
45 |
25 |
| PSV 120B |
120 |
290 |
146 |
442 |
5,7 |
125 |
50 |
30 |
| PSV 160 |
160 |
320 |
146; 170 |
545 |
8,5 |
140 |
55 |
20 |
 |
|
|
|
|
|
|
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