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High Efficiency Vacuum Type Circuit Breaker Outdoor Permanent Magnetic ZW32

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ZHEJIANG XINKOU POWER EQUIPMENT CO.,LTD

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high voltage outdoor permanent magnetic vacuum circuit breaker ZW32

The main technical parameter

Item		Unit	Parameter
			12.5KA	16KA		20KA
Rated voltage		KV	12
Rated current		A	400		630	630
Rated short open current		KA	12.5		16	20
Rated short making current(peak)			31.5		40	50
Rated peak withstand current			31.5		40	50
Rated short withstand current			12.5		16	20
Rated short duration		s	4
Rated isolation level	thunder impulse withstand voltage (peak )	KV	Alternated to earth75 fracture85
	1min power frequency withstand voltage		Alternated to earth 42 fracture85
Rated operating sequence			close-0.3s- open and close-180s- open and close electromotion agency
Operations of short-circuit making current breaking current interruption			30
Mechanical life			10000
Rated operating voltage(open and close coil)		v	DC220 110 AC220 110
Contact erosion permission length		mm	3
Rated current of over-current trip		A	5
Current ratio of mutual inductor			200/5 400/5 600/5
Rated contact stroke		mm	9±1
			2±0.5
Average opening speed		m/s	1.2±0.3
Average closing speed			0.6±0.2

Product Tags:

outdoor vcb breaker

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