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U160BS (146/280/400) Glass Insulator

U160BS is a technically mature, safe, and reliable power component that plays an important role in ensuring the safe operation of power grids.

Core Application Areas:

  • Overhead Transmission Lines: Primarily used in high-voltage and extra-high-voltage overhead lines to suspend or tension the conductors.

  • Substation Equipment: Also used within substations to provide insulation support for live equipment.

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  • Brand: QOCI
  • Catalog ID: UG160B146/400N
  • Type: Standard Type
  • Material: Glass Dielectric , Forged steel cap & pin
  • Place of Origin: Jiangxi

Product Information

IEC Stand :U160BS


U Disc Suspension Insulator

160 Mechanical failing load  of 160kN

B Ball And Socket Type

S Shorter steel pin ,Assembled to achieve a product structural height of 146mm.

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Dimensional data


Spacing(S)

146mm

Diameter(D)

280mm

Creepage distance (L)

400mm

Socket coupling

20mm

Mechanical values


Mechanical failing load

160kN

Mechanical residual strength

128kN

Electrical Values


Dry power frequency withstand voltage

75kV

Wet power frequency withstand voltage

45kV

Dry lightning impulse withstand voltage

110kV

Power frequency puncture voltage

130kV

Radio-influence Voltage


RIV test voltage rms to ground

Maximum RIV at 1000 kHz:

10 kV

50 μV


Corona visual lest P/C

18/22 KV


Power frequency electric arc voltage

0.12s/20kA


Packing information


Net weight

6.5kg

Carton Quantity:

3/6pcs

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Industry Standard(s)


Manufactured accordance with  IEC60383-1:2023,MOD / GB/T1001.1


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