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Вакуумный прерыватель JUC61179 38KV 630A для повторного использования от JUCRO Electric

Вакуумный прерыватель JUC61179 38KV 630A для повторного использования от JUCRO Electric

Вакуумный прерыватель JUC61179 38KV  630A для повторного использования от JUCRO Electric
Каталог продуктовВакуумный прерыватель
МаркаJUCRO
Характеристики продуктовJUC61179
Индивидуальные услугиСогласно техническому чертежу или образцам
портШанхай/нинбо
Способ платежаL/C, Western Union, MoneyGram, T/T
Время обновления2024/3/28
Детальные инф.
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;
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