IOSK · Polymer post insulators
ИОСК 6-220-2300-3
Insulator ИОСК 6-220-2300-3
- Series
- ИОСК
- Voltage class, kV
- 220
- Load class (bending), kN
- 6
- Atmospheric pollution degree
- 3
- Structural height, mm
- 2300
Technical specifications9 parameters
| Parameter | Value |
|---|---|
| Nominal voltage, kV | 220 |
| Mechanical failing load in bending, not less than, kN | 6,0 |
| Creepage distance, not less than, mm | 7400 |
| Structural height H, mm | 2300 |
| Insulating length L, mm | 2090 |
| 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 | 49,5 |
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. 111 · Catalog numbers — p. 112 · Drawings — p. 112
Catalog numbers2 variants
| Catalog number | Porcelain equivalent | Flanges |
|---|---|---|
| P.6.220.2300.3/R.D127.4M16/0/S.D200.4х18 | С4-1050 | upper: D Ø127 · d М16 lower: D Ø200 · d Ø18 |
| P.6.220.2300.3/R.D127.4M16/0/S.D225.4х18 | С6-1050 | upper: D Ø127 · d М16 lower: D Ø225 · d Ø18 |
Designation structure
- Series
- ИОСК
- Load class (bending), kN
- 6
- Voltage class, kV
- 220
- Structural height, mm
- 2300
- Atmospheric pollution degree
- 3
Drawings
Page 112
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 6-220-2300-3.pdf
PDF available in Ukrainian
Normative documents
ТУ У 31.6-31279430-007:2006 · СОУ МПЕ 40.1.51.302
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