Вакуумный прерыватель JUC61202 27кВ 800 А для повторного использования от JUCRO Electric

группа Вакуумный прерыватель
MOQ 1 piece
Способ платежа L/C, Western Union, MoneyGram, T/T
Время обновления 2019-11-01
свойство
Индивидуальные услугиСогласно техническому чертежу или образцам
  • Описание продуктов
  • Оценка продукта
Detailed Images
Main technical parameters (For switch-disconnector)
Items
Data
Rated voltage
27KV
Rated current
800A
Rated frequency
50/60 Hz
Short-term (1 min) withstand voltage
* 60KV
Rated impulse withstand lightning voltage (peak)
* 125KV
Rated short-circuit breaking current
16KA / 12.5KA
Short Circuit Interrupt Operation
15-20%, 88; 45-55%, 112; 90-100%, 32
Rated Short Circuit Current
40KA / 31.5KA
Rated peak withstand current
40KA / 31.5KA
Rated short-time withstand current (3 s)
16KA / 12.5KA
Linear Disconnect Rated Current
5A
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
60 ± 30N
The force required to hold the contacts open when fully engaged
≤155N
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 circuit breaker recommendation data with breakers
Items
Value
Contact rating
12 ± 0.5mm
Contact junction
4 ± 1mm
Average opening speed (stroke 0-6 mm)
1.2 ± 0.2 m / s
Average closing speed (contact closure 6 mm)
0.8 ± 0.2m / s
Added power on closed contacts
150 0 ~ 2000 N / 670 ~ 870N
Maximum. bouncing time
≤2 ms
From simultaneously closing and opening a contact
≤1 ms
Maximum. bounce distance
≤2 mm
Remarks:
With insulating cap;
Be sure to consult with us;
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