ANSI 52-1 Porcelain Ceramic Disc Suspension Insulator for Transmission
| ANSI Class/Standard |
ANSI 52-1 |
| Unit Spacing (H) – mm |
140mm |
| Nominal Diameter (D) -mm |
165mm |
| Creepage Distance |
178mm |
| Power frequency puncture voltage |
80kV |
| Power frequency flashover voltage |
Dry |
60kV |
| Wet |
30kV |
| Critical impulse flashover voltage |
Positive |
100kV |
| Negative |
100kV |
| Radio influence voltage |
Test voltage to ground |
7.5kV |
| Max. RIV at 1000kHz |
50kV |
| Rated E & M failing load |
45kN |
| Tension proof load |
22kN |
| Impact strength |
5N.m |
| Weight |
2.5kg |
