Вакуумный прерыватель JUC61179 38KV 630A для повторного использования от JUCRO Electric
- модель
- JUC61179
свойство
- Индивидуальные услуги
- Согласно техническому чертежу или образцам
оценивать
Описание продуктов
Detailed Images
Main technical parameters (For switch-disconnector)
Items | Data |
Rated voltage | 38KV |
Rated current | 630A |
Rated frequency | 50/60 Hz |
Short-term (1 min) withstand voltage | * 70KV |
Rated impulse withstand lightning voltage (peak) | * 170KV |
Rated short-circuit breaking current | 12.5KA |
Short Circuit Interrupt Operation | 15-20%, 88; 45-55%, 112; 90-100%, 32 |
Rated Short Circuit Current | 31.5KA |
Rated peak withstand current | 31.5KA |
Rated short-time withstand current (3 s) | 12.5KA |
Rated breaking current of one capacitor bank | # 630A |
Rated breaking current of rear capacitor bank | # 400A |
Rated instantaneous current, rms asymmetric | 25.6KA |
Charger cut-off rated current | 25KA |
Rated idling current of the open circuit transformer | 22KA |
Chain resistance with minimal added force | ≤25μΩ |
Mechanical life | 10,000 times |
Closing force due to bellows and atmosphere | 80 ± 30N |
The force required to hold the contacts open when fully engaged | 210 ± 50N |
Contact erosion limit | 3mm |
Shelf life | 20 years |
Temperature endurance of lead sleeve | 170 ° C |
Rated working sequence | O-0.3s-CO-2s-CO |
Mechanical data recommendations for circuit breaker
Items |
Value |
Contact rating |
14 ± 0.5mm |
Contact junction | 4 ± 1mm |
Average opening speed (stroke 0-6 mm) | 1.6 ± 0.2 m / s |
Average closing speed (contact closure 6 mm) | 0.8 ± 0.2m / s |
Added power on closed contacts |
1200 ± 200 N |
Maximum. bouncing time | ≤3 ms |
From simultaneously closing and opening a contact | ≤2 ms |
Maximum. bounce distance | ≤1 mm |
Remarks:
With insulating cap;
Be sure to consult with us;
workshop
Vacuum Interrupter Workshop
Accept custom order.
Create a vacuum interrupter for you.
VCB Production Line
VCB Vacuum Circuit Breakers Production Line.
VCB Production Line
VCB Vacuum Circuit Breaker Production Line, Engineering Inspection.
Quality checking
Thorough inspection of each product, guaranteed quality
completely recording the data of the whole process, all product data can be traced.
