КЗО 272 / 285 — image from the source product record 1
1 of 1КЗО 272 and КЗО 285 front-access assembled switchgear cubicles
Series: КЗО 272 / 285
КЗО 272 and КЗО 285 front-access cubicles for indoor 6 or 10 kV switchgear. Application, specifications and an explanation of the model designation.
- Rated voltage, kV
- 6; 10
- Maximum operating voltage, kV
- 7,2; 12
- Frequency, Hz
- 50; 60
Overview
Application
КЗО 272 and КЗО 285 cubicles receive and distribute three-phase AC energy at 50 or 60 Hz and 6 or 10 kV in networks with an isolated neutral or a neutral earthed through an arc-suppression reactor.
Features
Construction and application
The cubicles form indoor switchgear rated at 6 or 10 kV. Climatic version УЗ under ГОСТ 15150-69. Protection is 1Р00, with 1Р20 at the front, under ГОСТ 14254-96. КЗО 272 and КЗО 285 comply with ТУ У 31.2-31681625-015-2004.
Designation structure: КЗО ___ – ___ УЗ. К — cubicle; З — assembled; О — front access; ____ — series number (272-1972, 285-1985); ____ — main-circuit diagram number; У — climatic version under ГОСТ 15150-6; З — installation category under ГОСТ 15150-69.
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Technical specifications
| Parameter | Value |
|---|---|
| Rated voltage, kV | 6; 10 |
| Maximum operating voltage, kV | 7,2; 12 |
| Frequency, Hz | 50; 60 |
| Rated main-circuit current, A | 630; 1000 |
| Rated vacuum circuit-breaker current, A | 630; 1000 |
| Rated fuse-link current, A | 31.5; 50; 80; 100; 125; 160 |
| Main-circuit peak withstand current, kA | 41; 51 |
| Main-circuit thermal withstand for 3 seconds, kA | 16; 20 |
| Maximum mass, kg | 500 |
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