VD4 High Voltage 3 Poles Vacuum Circuit Breaker

      Product Description   General Description   VW1-12/24/40.5 VCB is employed with mature APG technology, directly encapsulating the vacuum interrupter  and main circuit in the epoxy resin poles as to form solid insulation type, representing the higher level of designing  and manufacturing of medium voltage vacuum circuit breakers in the contemporary world.     Our advantage     Dimension       Technical data

Item		Unit	Data
Rated voltage		kV	12
Rated insulation voltage	1 min power frequency withstand voltage	kV	65
	Lightning impulse withstand voltage(peak)	kV	75
Rated frequency		Hz	50/60
Rated current		A	630,1250,1600,2000,2500,3150
Rated short-time withstand current		kV	20,25,31.5
Rate peak withstand current			50,63,80
Rate short-circuit duration		S	4
a.c. component of rate short-circuit breaking current		kA	42
Rated short-circuit making current		kA	50,63,80,100
Mechanical life		time	10000
Permitted abrasion thickness of moving and fixed contacts		mm	3
Arcing time		ms	≤15

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Product Categories : Vacuum Circuit Breaker