Insulators are designed to fix and insulate wires of power transmission lines with the nominal voltage 10 kV, frequency up to 100 Hz with the air temperature from - 60 to + 50 оС.
Insulators conform to the requirements of IEC 61109.
Designation
|
Fig.
|
Rated voltage, kV
|
Maximum working voltage, kV
|
Minimum mechanical failing load, kN
|
Spacing Н,
mm, max
|
Insulation spacing, L,
mm, min
|
Creepage distance,
mm, min
|
Withstand
voltage, kV
|
Weight,
kg, max
|
IEC 61466-1
|
GOST R 55189
|
full lightning impulse
|
dry power-frequency
|
wet power-frequency
|
CS 70-170/360 *
|
ЛК 70/10-И-3
|
1
|
10
|
12
|
70
|
305
|
185
|
360
|
170
|
90
|
55
|
0,95
|
CS 70-170/420
|
ЛК 70/10-И-4
|
2
|
420
|
1,0
|
CS 70-215/565
|
ЛК 70/10-ИГ-6
|
3
|
355
|
235
|
565
|
215
|
105
|
65
|
1,25
|
CS 120-170/360
|
ЛК 120/10-И-3
|
1
|
120
|
330
|
185
|
360
|
170
|
90
|
55
|
1,25
|
CS 120-170/420
|
ЛК 120/10-И-4
|
2
|
420
|
1,3
|
CS 120-215/565
|
ЛК 120/10-ИГ-6
|
3
|
380
|
235
|
565
|
215
|
105
|
65
|
1,37
|
* — There are four types of insulators classified by the end fitting types: TB, SB, ST, TT. Other end fittings are available by a special request.
|
|