Вакуумный прерыватель JUC2311 12KV 1250A для VCB вакуумный выключатель использования от JUCRO
- цена
- US $79-80
- модель
- JUC2311
- Минимальный заказ
- 1 piece
свойство
- Индивидуальные услуги
- Согласно техническому чертежу или образцам
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Описание продуктов
Detailed Images
Main technical parameters
Items |
|
Rated voltage | 12 kV |
Sustained lightning impulse voltage (peak value) | 85 kV |
Rated power frequency withstand voltage (1 min) | 48 kV |
Rated frequency | 50 / 60Hz |
Rated current |
1250 A |
Rated short-time withstand current | 25KA |
Rated Short Circuit Duration | 4s |
Rated peak withstand current | 63KA |
Rated Short Circuit Current | 63KA |
Rated short-circuit breaking current | 25KA |
Rated short circuit making current (peak value) | 2 0 times |
Rated short time withstand current | 31.5 kA |
Rated breaking current of one capacitor block | 630A * |
Capacitor feedback current rating | 400A * |
Mechanical life | 1 0000 times |
Clearance between opening contacts | 11 +/- 1mm |
Trailing force due to bellows and atmosphere | 110 +/- 40N |
The force required to open contacts in full swing | 210 +/- 40N |
Circuit resistance at low rated contact force | ≤ 16 μΩ |
Contact Abrasion Limit | 3mm |
Mass of moving parts | 1.3KG |
Internal pressure | 1.33 * 10-3 Pa |
Shelf life | 20 years |
Rated working sequence | O-0.3s-CO-180s-CO |
Mechanical requirements of the vacuum circuit breaker
Items |
|
Average opening speed | 1.1 ± 0.2m / s |
Average closing speed | 0.6 ± 0.2m / s |
Rated pressure contacts | 3300 ± 300N |
Contacts bouncing duration when closing operation | ≤2 ms |
Synchronization of closing and opening of contacts | ≤1 ms |
Contact pressure rating |
2000 ± 300N |
Contact pressure at contact point |
1400 ± 30N |
Max. Re-bounce contact when opening | 2mm |
Opening time | ≤2mm |
workshop
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VCB Production Line
VCB Vacuum Circuit Breakers Production Line.
VCB Production Line
VCB Vacuum Circuit Breaker Production Line, Engineering Inspection.
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