U120BP Fog Type Porcelain Insulator
Dimensional data
Spacing (S) | 146±4.6mm |
Diameter (D) | 280±12.7mm |
Creepage Distance (C/D) | 450mm |
Ball&Socket size: | 16mm |
Mechanical values
Electro mechanical faiing load: | 125kN |
Electrical ratings
Power frequency puncture voltage: | 120kV |
Power frequency withstand voltage(Wet):
| 5 pieces of string | 140kV |
| uniwafer | 45kV |
Dry lightning impulse withstand voltage:
| 5 pieces of string | 500kV |
| uniwafer | 120kV |
Radio-influence Voltage
RIV test voltage rms to ground Maximum RIV at 1000 kHz | 10kV 50μV |
Corona visual lest P/C | 18/22KV |
Temperature heat endine: | -40℃~+40℃ |
Packing information
Approx. net weight per unit | 5.4kg |
No. of insulators wooden crate | 6 |
Industry Standard(s)
Tests and dimensional tolerances are in accordance with GB/T1001.1-2021.
Drawing
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