Product Introduction：
1. Name: Anti-Pollution Suspension Toughened Glass Insulator
2. Standard of the Glass Insulator: IEC & ANSI &BS standard approved
3. Mechanical strength: From 70KN, 120KN, 160KN, to 550K
We have been exporting glass insulators to more than 100 international countries for about 27 years with very competitive prices and good quality.If you have any questions about glass insulators, we can provide you with type test reports from international laboratories.
Product parameters table:
|
IEC designation |
U120B/146 |
U120B/127 |
U160B/170 |
U160B/155 |
U160B/146 |
|
Diameter D( mm ) |
255 |
255 |
280 |
280 |
280 |
|
Spacing H( mm ) |
146 |
127 |
170 |
155 |
146 |
|
Creepage distance L( mm ) |
320 |
320 |
400 |
400 |
400 |
|
Socket coupling( mm ) |
16 |
16 |
20 |
20 |
20 |
|
Mechanical failing load( kN ) |
120 |
120 |
160 |
160 |
160 |
|
Mechanical routine test( kN ) |
60 |
60 |
80 |
80 |
80 |
|
Wet power frequency withstand voltage( kV ) |
40 |
40 |
45 |
45 |
45 |
|
Dry lightning impulse withstand voltage( kV ) |
100 |
100 |
110 |
110 |
110 |
|
Impulse puncture voltage( P.U ) |
2.8 |
2.8 |
2.8 |
2.8 |
2.8 |
|
Power frequency puncture voltage( kV ) |
130 |
130 |
* 130 |
* 130 |
* 130 |
|
Radio influence voltage( µV ) |
50 |
50 |
50 |
50 |
50 |
|
Corona visual test( kV ) |
18/22 |
18/22 |
18/22 |
18/22 |
18/22 |
|
Power frequency electric arc voltage |
0.12s/20kA |
0.12s/20kA |
0.12s/20kA |
0.12s/20kA |
0.12s/20kA |
|
Net weight per unit( kg ) |
4 |
4 |
6.7 |
6.6 |
6.5 |
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