Product Introduction：
Porcelain disc insulators are typically used in power transmission line. Porcelain is the most commonly used insulating material until now. Not only any voltage but also any contamination level can be done by changing number of insulators. TCI porcelain disc insulators have been one of best choice for world’s transmission projects.
Disc suspension porcelain insulators (ANSI)
|
Cat. No. |
0101044 |
0101087 |
0101067-1 |
0101087-2 |
0101111 |
||
|
Class |
52-1 |
52-2 |
52-3 |
52-4 |
52-5 |
||
|
Fig. No. |
1 |
2 |
3 |
4 |
3 |
||
|
Unit Spacing (H)-mm |
140 |
146 |
146 |
146 |
146 |
||
|
Nominal Diameter (D)-mm |
160 |
200 |
255 |
255 |
255 |
||
|
Leakage Distance-mm |
178 |
210 |
292 |
292 |
279 |
||
|
Dry Arcing Distance-mm |
114 |
154 |
197 |
197 |
197 |
||
|
Combined E & M Strength-KN |
44 |
67 |
67 |
67 |
111 |
||
|
Tension Proof Test load-KN |
22 |
33.5 |
33.5 |
33.5 |
55.5 |
||
|
Mechanical Impact Strength-N.m |
5.0 |
5.5 |
6 |
6 |
7 |
||
|
Time Load Test Value-KN |
26 |
40 |
44.5 |
44.5 |
67 |
||
|
Power Frequency Flashover |
Wet-KV |
30 |
35 |
50 |
50 |
50 |
|
|
Dry-KV |
60 |
65 |
80 |
80 |
80 |
||
|
Critical Impulse Flashover Voltage |
Positive-KV |
100 |
115 |
125 |
125 |
125 |
|
|
Negative-KV |
100 |
115 |
130 |
130 |
130 |
||
|
Low Frequency Puncture Voltage-KV |
80 |
90 |
110 |
110 |
110 |
||
|
Radio Interference Voltage |
Test Voltage to Ground-KV |
7.5 |
7.5 |
10 |
10 |
10 |
|
|
Max. RIV at 1MHz-uV |
50 |
50 |
50 |
50 |
50 |
||
|
Weight-kg |
2.5 |
3.6 |
4.6 |
4.9 |
5.6 |
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