Вакуумный прерыватель JUC2311 12KV 1250A для VCB вакуумный выключатель использования от JUCRO

Name: Вакуумный прерыватель JUC2311 12KV 1250A для VCB вакуумный выключатель использования от JUCRO
Brand: JUCRO
SKU: 18188918
Rating: 4.75 (10 reviews)

Каталог продуктов	Вакуумный прерыватель
Марка	JUCRO
Характеристики продуктов	JUC2311
Индивидуальные услуги	Согласно техническому чертежу или образцам
Цена	US $ 79-80 / piece
порт	Шанхай/нинбо
Способ платежа	L/C, Western Union, MoneyGram, T/T
Время обновления	2024/4/20

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Избранное

Детальные инф.

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