Indoor High Voltage AC Disconnector

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Our indoor high voltage AC disconnector is applied in a power system with the rated voltage of 12kV and frequency of 50Hz for circuit disconnecting and connecting in case of no load. It is equipped with a CS6-1 manual operating mechanism. There are several derivatives, such as the anti-pollution type, plateau type, and the type added with live display device.

Model Description

Technical Parameters of Indoor High Voltage AC Disconnector

Items		Units	Value
Rated voltage		kV	12
1min power frequency withstand voltage	To earth	kV	38
1min power frequency withstand voltage	Between fractures	kV	42
Lightning impulse withstand voltage (Peak)	To earth	kV	75
Lightning impulse withstand voltage (Peak)	Between fractures	kV	85
Rated frequency		Hz	50
Rated current		A	400, 630, 1000, 1250
Rated short time withstand current (4s)		kA	12.5, 20, 31.5, 40
Rated peak withstand current		kA	31.5, 50, 80, 100
Rated short circuit durationMain switch/earthing switch		s	4/2
Creepage Distance		mm	300-380
Mechanical life		times	2000

Model	Rated Voltage kV	Rated current A	Rated short time withstand current (4s) kV	Rated peak withstand current kV
GN19-12/400-12.5	12	400	12.5	31.5
GN19-12/630-20	12	630	20	50
GN19-12/1000-31.5	12	1000	31.5	80
GN19-12/1250-31.5	12	1250	31.5	80
GN19-12C/400-12.5	12	400	12.5	31.5
GN19-12C/630-20	12	630	20	50
GN19-12C/1000-31.5	12	1000	31.5	80
GN19-12C/1250-31.5	12	1250	31.5	80

Installation and Overall Dimensions
GN19-12 series
GN19-12C series

Related Names
Electrical Isolating Switch | Indoor Electrical Safety Switch | HV Power Disconnect Switch

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