IOSK · Polymer post insulators

ИОСК 12,5-110-1220-3

Insulator ИОСК 12,5-110-1220-3

Catalog, p. 93
Series
ИОСК
Voltage class, kV
110
Load class (bending), kN
12,5
Atmospheric pollution degree
3
Structural height, mm
1220

Data require clarification

  • The catalog contains a specification table, but no catalog number was found for this exact designation.

The values below are given exactly as in the catalog. Please confirm them with the manufacturer before ordering.

Technical specifications9 parameters

ParameterValue
Nominal voltage, kV110
Mechanical failing load in bending, not less than, kN12,5
Creepage distance, not less than, mm3700
Structural height H, mm1220
Insulating length L, mm1052
Power-frequency withstand voltage for 1 minute, dry/wet, not less than, kV230/230
Lightning impulse withstand voltage, “1.2/50”, not less than, kV450
50% power-frequency flashover voltage in wet and polluted condition, not less than, kVat pollution layer surface conductivity (20±2,0) мкСм110
Mass, kg29,0

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. 93

Catalog numbers

There is no catalog number for this product in the catalog.

Designation structure

Series
ИОСК
Load class (bending), kN
12,5
Voltage class, kV
110
Structural height, mm
1220
Atmospheric pollution degree
3

Drawings

No drawings for this product were found in the catalog.

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

Product document

ИОСК 12,5-110-1220-3.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 12,5-110-1220-3

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