Dear customers,
If you have any other questions, please feel free to contact us.
Pin type porcelain insulators |
ANSI Class |
56-1 |
56-2 |
56-3 |
56-4 |
56-5 |
Dimensions |
Diameter |
mm |
191 |
229 |
267 |
305 |
343 |
Height |
mm |
146 |
165 |
191 |
241 |
318 |
Creepage distance |
mm |
330 |
432 |
533 |
686 |
865 |
Dry arcing distance |
mm |
178 |
210 |
241 |
286 |
356 |
Minimum pin height |
mm |
152 |
178 |
203 |
254 |
254 |
Mechanical Values |
Cantilever strength |
kn |
11.4 |
13.6 |
13.6 |
13.6 |
13.6 |
Electrical Values |
Type application voltage |
kv |
23 |
23 |
34.5 |
46 |
44 |
Low frequency dry flashover voltage |
kv |
95 |
110 |
125 |
140 |
175 |
Low frequency wet flashover voltage |
kv |
60 |
70 |
80 |
95 |
125 |
Critical impulse flashover voltage,positive |
kv |
150 |
175 |
205 |
225 |
270 |
Critical impulse flashover voltage,negative |
kv |
190 |
225 |
265 |
310 |
340 |
Low frequency puncture voltage |
kv |
130 |
145 |
165 |
185 |
225 |
Radio influence Voltage Data |
Test voltage RMS to ground |
kv |
15 |
22 |
30 |
30 |
44 |
Maximum RIV at 1000kHz |
μv |
100 |
100 |
200 |
200 |
200 |
Packing and Shipping Data |
Net weight,approximate |
kg |
3.5 |
5.6 |
8.5 |
10.8 |
13.5 |