Insulators are designed to fix and insulate wires of power transmission lines with the nominal voltage 35 kV, frequency up to 100 Hz with the air temperature from - 60 to + 50 оС. Insulators are designed to fix and insulate wires of power transmission lines with the nominal voltage 35 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 70-295/895*
|
ЛК 70/35-И-2
|
1
|
35
|
40,5
|
70
|
505
|
385
|
895
|
295
|
150
|
115
|
1,1
|
|
CS 70-295/940
|
ЛК 70/35-И-3
|
2
|
940
|
1,2
|
|
CS 70-295/1020
|
ЛК 70/35-И-4
|
3
|
1020
|
1,3
|
|
CS 70-325/1160
|
ЛК 70/35-ИГ-5
|
4
|
555
|
435
|
1160
|
325
|
160
|
135
|
1,75
|
|
CS 70-340/1350
|
ЛК 70/35-ИГ-6
|
605
|
485
|
1350
|
340
|
180
|
150
|
|
CS 120-295/895
|
ЛК 120/35-И-2
|
1
|
120
|
530
|
385
|
895
|
295
|
150
|
115
|
1,4
|
|
CS 120-295/940
|
ЛК 120/35-И-3
|
2
|
940
|
1,5
|
|
CS 120-295/1020
|
ЛК 120/35-И-4
|
3
|
1020
|
1,6
|
|
CS 120-325/1160
|
ЛК 120/35-ИГ-5
|
4
|
580
|
435
|
1160
|
325
|
160
|
135
|
1,96
|
|
CS 120-340/1350
|
ЛК 120/35-ИГ-6
|
630
|
485
|
1350
|
340
|
180
|
150
|
|
* — 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.
|
Fig-1
Fig-2
Fig-3
Fig-4