| Ball and socket type suspension porcelain insulators( ANSI Class ) |
| ANSI Class |
|
52-3 |
| Coupling size |
|
Type B |
| Dimensions |
| Diameter(D) |
mm |
254 |
| Spacing(H) |
mm |
146 |
| Creepage distance |
mm |
320 |
| Dry arcing distance |
mm |
197 |
| Mechanical Values |
| Combined M&E strength |
kN |
67 |
| Dry arcing distance |
mm |
197 |
| Impact strength |
N.m |
6.2 |
| Routine proof test load |
kN |
33.3 |
| Time load test value |
kN |
44.5 |
| Maximum working load |
kN |
33.3 |
| Electrical Values |
| Low frequency dry flashover voltage |
kV |
80 |
| Low frequency wet flashover voltage |
kV |
50 |
| Critical impulse flashover voltage,positive |
kV |
125 |
| Critical impulse flashover voltage,negative |
kV |
130 |
| low frequency puncture voltage |
kV |
110 |
| Radio influence Voltage Data |
| Test voltage RMS to ground |
kV |
10 |
| Maximum RIV at 1000kHz |
μv |
50 |
| Packing and Shipping Data |
| Net weight,approximate |
kg |
4.7 |
