IOSK · Polymer post insulators

ИОСК 10-10-350-4

Insulator ИОСК 10-10-350-4

Catalog, p. 31P.10.10.350.4/S.D140.4М12/45/S.D140.4х13
Series
ИОСК
Voltage class, kV
10
Load class (bending), kN
10
Atmospheric pollution degree
4
Structural height, mm
350

Technical specifications9 parameters

ParameterValue
Nominal voltage, kV10
Mechanical failing load in bending, not less than, kN10,0
Creepage distance, not less than, mm630
Structural height H, mm350
Insulating length L, mm220
Power-frequency withstand voltage for 1 minute, dry/wet, not less than, kV42/28
Lightning impulse withstand voltage, “1.2/50”, not less than, kV75
50% power-frequency flashover voltage in wet and polluted condition, not less than, kVat pollution layer surface conductivity (30±3,0) мкСм13
Mass, kg5,4

Parameter names are translated from the Ukrainian catalog; the verbatim catalog wording is preserved in the data. Values are given as in the catalog, without recalculation or rounding.

Data source

IOSK catalog 2024 (in Ukrainian)

Specifications — p. 31 · Catalog numbers — p. 32 · Drawings — p. 32

Catalog numbers2 variants

Catalog numberPorcelain equivalentFlanges
P.10.10.350.4/S.D140.4М12/45/S.D140.4х13ИОС 10-800
upper: D Ø140 · d М12
lower: D Ø140 · d Ø13
P.10.10.350.4/R.D76.4М12/0/R.D76.4М12СК 10-3,3-125-V-01
upper: D Ø76 · d М12
lower: D Ø76 · d М12

Designation structure

Series
ИОСК
Load class (bending), kN
10
Voltage class, kV
10
Structural height, mm
350
Atmospheric pollution degree
4

Drawings

  • Page 32

    IOSK catalog 2024 (in Ukrainian)

The drawings are in the PDF catalog on the page indicated. The source documents contain no separate image files.

Product document

ИОСК 10-10-350-4.pdf

PDF available in Ukrainian

Open catalog PDF

Normative documents

ТУ У 31.6-31279430-007:2006 · СОУ МПЕ 40.1.51.302

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ИОСК 10-10-350-4

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