IOSK · Polymer post insulators
ИОСК 8-220-2000-3
Insulator ИОСК 8-220-2000-3
- Series
- ИОСК
- Voltage class, kV
- 220
- Load class (bending), kN
- 8
- Atmospheric pollution degree
- 3
- Structural height, mm
- 2000
Technical specifications9 parameters
| Parameter | Value |
|---|---|
| Nominal voltage, kV | 220 |
| Mechanical failing load in bending, not less than, kN | 8,0 |
| Creepage distance, not less than, mm | 6300 |
| Structural height H, mm | 2000 |
| Insulating length L, mm | 1790 |
| Power-frequency withstand voltage for 1 minute, dry/wet, not less than, kV | 440/440 |
| Lightning impulse withstand voltage, “1.2/50”, not less than, kV | 950 |
| 50% power-frequency flashover voltage in wet and polluted condition, not less than, kVat pollution layer surface conductivity (20±2,0) мкСм | 220 |
| Mass, kg | 41,5 |
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. 105 · Catalog numbers — p. 106 · Drawings — p. 106
Catalog numbers
| Catalog number | Porcelain equivalent | Flanges |
|---|---|---|
| P.8.220.2000.3/S.D140.4M12/0/S.D140.4х18 | 5хОНШ 35-2000 | upper: D Ø140 · d М16 lower: D Ø140 · d Ø18 |
Designation structure
- Series
- ИОСК
- Load class (bending), kN
- 8
- Voltage class, kV
- 220
- Structural height, mm
- 2000
- Atmospheric pollution degree
- 3
Drawings
Page 106
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 8-220-2000-3.pdf
PDF available in Ukrainian
Normative documents
ТУ У 31.6-31279430-007:2006 · СОУ МПЕ 40.1.51.302
Request a quote
ИОСК 8-220-2000-3
Send us a request — we will confirm the configuration, lead time and price.