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Pin type porcelain insulators |
Fig No. |
1 |
1 |
2 |
3 |
6 |
3 |
4 |
5 |
5 |
BS Class |
P-11-Y |
P-15-Y |
P-22-Y |
P-33-Y |
P-35-Y |
P-44-Y |
PW-15-Y |
PW-22-Y |
PW-33-Y |
Creepage distance |
240 |
298 |
432 |
630 |
|
864 |
432 |
673 |
851 |
Dry arcing distance |
102 |
133 |
200 |
360 |
399 |
483 |
197 |
267 |
419 |
Main dimensions |
H |
mm |
133 |
137 |
165 |
244 |
270 |
318 |
185 |
255 |
320 |
h |
mm |
48 |
48 |
52.6 |
52.6 |
52.6 |
52.6 |
52.6 |
52.6 |
52.6 |
D |
mm |
140 |
152 |
229 |
280 |
270 |
343 |
170 |
205 |
240 |
d |
mm |
18.3 |
18.3 |
27.8 |
27.8 |
27.8 |
27.8 |
27.8 |
27.8 |
27.8 |
R1 |
mm |
13 |
13 |
19 |
19 |
14 |
19 |
16 |
16 |
16 |
R2 |
mm |
9.5 |
11 |
14.3 |
13 |
14 |
14.3 |
16 |
16 |
16 |
Cantilever Strength |
KN |
11 |
11 |
11 |
13 |
13 |
13 |
11 |
11 |
13 |
Min Flashover Voltage |
Power frequency |
Dry |
kV |
75 |
80 |
100 |
135 |
140 |
155 |
100 |
125 |
140 |
Wet |
kV |
50 |
55 |
60 |
95 |
100 |
110 |
65 |
95 |
110 |
Critical impulse |
Pos |
kV |
115 |
130 |
160 |
180 |
215 |
240 |
150 |
190 |
210 |
Neg |
kV |
150 |
175 |
205 |
290 |
295 |
305 |
190 |
235 |
245 |
Withstand voltage |
One min Power Frequency |
Dry |
kV |
65 |
70 |
90 |
110 |
115 |
125 |
90 |
110 |
125 |
Wet |
kV |
40 |
50 |
55 |
75 |
85 |
100 |
60 |
90 |
100 |
Withstand volt.impulse |
kV |
90 |
110 |
150 |
170 |
190 |
200 |
140 |
180 |
200 |
RIV Data |
Test volt. TO ground |
kV |
15 |
15 |
22 |
30 |
35 |
44 |
22 |
30 |
44 |
Max RIV at 1000 KHz |
uV |
8000 |
8000 |
12000 |
16000 |
18000 |
25000 |
12000 |
16000 |
25000 |
Power Frequency Puncture Voltage |
kV |
150 |
150 |
200 |
210 |
230 |
250 |
150 |
200 |
210 |
Approx.Weight |
kg |
1.8 |
2 |
5 |
11 |
12.5 |
14 |
4.7 |
9.1 |
12.5 |
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