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

Name: Вакуумный прерыватель JUC61179 38KV 630A для повторного использования от JUCRO Electric
Brand: JUCRO
SKU: 18194016
Rating: 4.75 (10 reviews)

Каталог продуктов	Вакуумный прерыватель
Марка	JUCRO
Характеристики продуктов	JUC61179
Индивидуальные услуги	Согласно техническому чертежу или образцам
порт	Шанхай/нинбо
Способ платежа	L/C, Western Union, MoneyGram, T/T
Время обновления	2024/11/21

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Избранное

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