IOSK · Polymer post insulators
ИОСК 12,5-35-475-3
Insulator ИОСК 12,5-35-475-3
- Series
- ИОСК
- Voltage class, kV
- 35
- Load class (bending), kN
- 12,5
- Atmospheric pollution degree
- 3
- Structural height, mm
- 475
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
| Parameter | Value |
|---|---|
| Nominal voltage, kV | 35 |
| Mechanical failing load in bending, not less than, kN | 12,5 |
| Creepage distance, not less than, mm | 1340 |
| Structural height H, mm | 475 |
| Insulating length L, mm | 420 |
| Power-frequency withstand voltage for 1 minute, dry/wet, not less than, kV | 95/80 |
| Lightning impulse withstand voltage, “1.2/50”, not less than, kV | 190 |
| 50% power-frequency flashover voltage in wet and polluted condition, not less than, kVat pollution layer surface conductivity (20±2,0) мкСм | 42 |
| Mass, kg | 7,4 |
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.
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
- 35
- Structural height, mm
- 475
- 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 12,5-35-475-3.pdf
PDF available in Ukrainian
Normative documents
ТУ У 31.6-31279430-007:2006 · СОУ МПЕ 40.1.51.302
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ИОСК 12,5-35-475-3
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