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PRODUCT > Insulator
 IEC Porcelain disc suspensiion insulators

  Details
IEC Porcelain disc suspensiion insulators

Class Type
Fig.NO.
Unit spacing (mm)
Disc diam-eter (mm)
Leak-age dista-
nce (mm)
Rated
E & M failing load
(kN)
Rou-ntine
ten-
sion
load
(KN)
Impact failing load
(mm)
Wet
Power Frequ-aency
With-
stand Voltage
KV
Ling-thing Imp-
ulse
with
stand Volt-
age
KV
Radio Influece Voltage
Power-
freg
punc-
ture voltage
(KV)
Test Volt-
age
To
Gro-und KV
Max Riv At 1 MHz V
U40B
1
110
170
190
40
20
5
30
75
7.5
50
90
U40BP
1
110
210
295
40
20
5
35
90
10
50
90
U70BS
3
127
255
295
70
35
6
40
100
10
50
110
U70BL
3
146
255
295
70
35
6
40
100
10
50
110
U70C
2
146
255
295
70
35
6
40
100
10
50
110
U70BLP
3
146
280
440
70
35
6
42
110
10
50
120
U70CP
2
146
280
440
70
35
6
42
110
10
50
120
U100BS
3
127
255
295
100
50
7
40
100
10
50
110
U100BL
3
146
255
295
100
50
7
40
100
10
50
110
U100C
2
146
255
295
100
50
7
40
100
10
50
110
U100BLP
3
146
255
440
100
50
7
42
110
10
50
120
U100CP
2
146
255
440
100
50
7
42
110
10
50
120
U120B
3
146
280
295
120
60
7
40
100
10
50
110
U120C
2
146
280
295
120
60
7
40
100
10
50
110
U120BP
3
146
280
440
120
60
7
42
110
10
50
120
U120CP
2
146
280
440
120
60
7
42
110
10
50
120
U160BS
4
146
280
315
160
60
10
40
100
10
50
110
U160BSP
4
146
330
440
160
80
10
45
125
10
50
110
U160BL
4
146
280
340
160
80
10
42
105
10
50
110
U160BLP
4
146
330
525
160
80
10
45
130
10
50
110
U210B
4
170
330
370
210
105
10
42
110
10
50
120
U210BP
4
170
330
525
210
105
10
45
130
10
50
120

              

                                                                         

                               


 
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