China IEC Standard Disc Suspension Ceramic/ Porcelain Insulator (U70BL), Find details about China Porcelain Insulator, Disc Insulator from IEC Standard Disc Suspension Ceramic/ Porcelain Insulator (U70BL)
IEC Class | U70C | U70BL | U80BL | U120BS | U120BL | U160BS | |
Type | XP-70C | XP-70 | XP-80 | XP-120 | XP-120 | XP-160 | |
Porcelain Disc Diameter mm | 254 | 254 | 254 | 254 | 280 | 280 | |
Unit Spacing,H,mm | 146 | 146 | 146 | 146 | 170 | 146 | |
Standard Coupling to IEC120 | 16mmC | 16mmA or B | 16mmA or B | 16mmA or B | 16mmA or B | 20 | |
Creepage Distance,mm | 292 | 292 | 292 | 292 | 292 | 305 | |
Combined M&E Strength,KN | 70 | 70 | 80 | 120 | 120 | 160 | |
Routine Test Load,KN | 28 | 28 | 32 | 48 | 48 | 64 | |
Power Frequency Flashover Voltage | Dry,KV | 78 | 78 | 78 | 78 | 78 | 80 |
Wet,KV | 45 | 45 | 45 | 45 | 45 | 47 | |
50% Impulse Flashover Voltage | Pos.,KV | 120 | 120 | 120 | 120 | 120 | 125 |
Neg.,KV | 125 | 125 | 125 | 125 | 125 | 130 | |
Power Frequency Withstand Voltage | Dry,KV | 70 | 70 | 70 | 70 | 70 | 75 |
Wet,KV | 40 | 40 | 40 | 40 | 40 | 45 | |
Impulse Withstand Voltage,KV | 110 | 110 | 110 | 110 | 110 | 115 | |
Power Frequency Puncture Voltage,KV | 110 | 110 | 110 | 110 | 110 | 110 | |
Net Weight,Approx.,kg | 4.6 | 4.6 | 4.6 | 6 | 6 | 7.5 |