U120BP Fog Type Porcelain Insulator

120kn Anti-Fog Disc Type Porcelain/Ceramic Insulator Disc Suspension Porcelain Insulator U120BP/146HU120BP/146H is a universal model used by IEC, corresponding to models from Chinese manufacturers such as LXHP4-120, LXHP-120, FC120P/146, etc.This type of insulator is widely used in overhead transmission lines, especially suitable for coastal areas, heavy industrial areas, areas with severe air pollution or high humidity such as foggy and dusty areas, as well as high altitude and high voltage level lines. When selecting, it is necessary to determine the required creepage distance and umbrella skirt structure based on the pollution level of the specific line

  • Brand: QOCI
  • Catalog ID: U120BP/146H
  • Type: Suspension Insulator
  • Material: Porcelain
  • Place of Origin: Jiangxi

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 string140kV
uniwafer45kV

  Dry lightning impulse withstand voltage:

5 pieces of string500kV
uniwafer120kV


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

Disc Insulator Anti Type-U120BP-146-450.jpg

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