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Pin type porcelain insulators |
ANSI Class |
|
56-4 |
Dimensions |
Diameter |
mm |
305 |
Height |
mm |
241 |
Creepage distance |
mm |
686 |
Dry arcing distance |
mm |
286 |
Minimum pin height |
mm |
254 |
Mechanical Values |
Cantilever strength |
kn |
13.6 |
Electrical Values |
Type application voltage |
kv |
46 |
Low frequency dry flashover voltage |
kv |
140 |
Low frequency wet flashover voltage |
kv |
95 |
Critical impulse flashover voltage,positive |
kv |
225 |
Critical impulse flashover voltage,negative |
kv |
310 |
Low frequency puncture voltage |
kv |
185 |
Radio influence Voltage Data |
Test voltage RMS to ground |
kv |
30 |
Maximum RIV at 1000kHz |
μv |
200 |
Net weight,approximate |
kg |
10.8 |