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| ANSI Line post insulators for high voltage
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| MAIN DIMENSIONS AND STANDARD PARTICULARS |
| ANSI CLASS |
57-11 |
57-12 |
57-13 |
57-14 |
57-15 |
| Creepage distance mm |
356 |
559 |
737 |
1015 |
1145 |
| Dry arcing distance mm |
165 |
241 |
311 |
368 |
438 |
| Cantilever strength kN |
12.5 |
23.5 |
12.5 |
12.5 |
12.5 |
| Low frequency flashover voltage |
Dry flashover kV |
80 |
110 |
125 |
150 |
175 |
| Wet flashover kV |
60 |
85 |
100 |
125 |
150 |
| Critical impulse flashover voltage |
Postive kV |
130 |
180 |
210 |
255 |
290 |
| Negative kV |
155 |
205 |
260 |
340 |
380 |
| Radio influence voltage data |
test voltage to ground kv |
15 |
22 |
30 |
44 |
44 |
| At 1000kHZ Max.RIV μ V |
100 |
100 |
300 |
200 |
200 |
| Net Weight,Each,Approx,kg |
6.8 |
10 |
11.8 |
15.918.6 |
18 |
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| MAIN DIMENSIONS AND STANDARD PARTICULARS |
| Type |
ANSI 57-2L-1 |
PIN POST |
| Creepage distance mm |
559 |
520 |
| Protected Creepage distance (mm) |
200 |
260 |
| Dry arcing diatance (mm) |
240 |
260 |
| Cantilever strength kN |
12.5 |
12.5 |
| Low frequency flashover voltage |
Dry,kV |
90 |
90 |
| Wet,kV |
65 |
65 |
| Impulse Withstand Voltage,KV |
150 |
150 |
| Radio influence voltage data |
test voltage to ground kv |
22 |
22 |
| At 1000kHZ Max.RIV μ V |
100 |
100 |
| Net Weight,Each,Approx,kg |
9.2 |
10 |
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