ANSI Class | 52-3 | 52-5 | 52-8 |
Porcelain Disc Diameter,D,mm | 254 | 254 | 280 |
Unit Spacing,H,mm | 146 | 146 | 146 |
Creepage Distance,mm | 292 | 292 | 292 |
Combined M & E Strength,KN | 67 | 111 | 160 |
Impact Strength ,Nm | 6 | 7 | 10 |
Routine Proof Test Load,KN | 33.5 | 55.5 | 80 |
Time Load Test Value,KN | 44 | 67 | 107 |
Power Frequency Flashover Voltage | Dry,KV | 80 | 80 | 80 |
Wet,KV | 50 | 50 | 50 |
Critical Impulse Flashover Voltage | Pos,KV | 125 | 125 | 125 |
Neg,KV | 130 | 130 | 130 |
Power Frequency Puncture Voltage,KV | 110 | 110 | 110 |
Radio Influence Voltage Data | Test Voltage to Ground,KV | 10 | 10 | 10 |
Max.RIV at 1000 KHz,uV | 50 | 50 | 50 |
Net Weight,Approx.,kg | 4.6 | 5.5 | 7.5 |