China Anti-Fog Insulator/ 70kn Glass Insulator in Power Transmission Line, Find details about China Glass Insulator, Anti-Pollution Insulator from Anti-Fog Insulator/ 70kn Glass Insulator in Power Transmission Line
IEC Standard insulators | U70BS | U70BL | U70BP |
Specified mechanical load(KN) | 70 | 70 | 70 |
Normal Spacing H(mm) | 127 | 146 | 146 |
Diameter of the insulator part (mm) | 255 | 255 | 280 |
Mininum normal creepage distance | 320 | 320 | 450 |
standard coupling IEC120 | 16 | 16 | 16 |
power frequency withstand voltage 5PCS/1pcs | 150kV/40kV | 150kV/40kV | 160kV/50kV |
lightning impulse withstand voltage 5PCS/1pcs | 420kV/100kV | 420kV/100kV | 440kV/125kV |
power frequency puncture voltage | 130kV | 130kV | 130kV |
Radio influence voltage(10KV,1MHz) | 50μV | 50μV | 50μV |
Electric iron visual test | 18kV/22kV | 18kV/22kV | 18kV/22kV |
impulse puncture voltage | 2.8p.u | 2.8p.u | 2.8p.u |
power frequency electric arc voltage | 0.12s/20kA | 0.12s/20kA | 0.12s/20kA |
Net weight per unit | 3.5Kg | 3.6Kg | 5.5Kg |