KYN1-12(Z) high-voltage AC switchgear

Application

The switchgear serves for single bus and bus sectional system of rated voltage of 3-10kV and rated current of 630A-3150A three-phase AC 50Hz to receive and distribute electric power in power plant,substation and insustrial & mineral enterprise.


Main features

●The insolating moving door of primary contact featuring high security can automatically open or close when the trolley moves between the working position and in-and-out position,assuring the personal security during repair when it is electrfied.
●The enough electric insulation strength assures that the air gap between phases and between phase and ground inside the cubicle is above 125mm.
●The long-life vacuum arc chute and operating mechanism greatly reduce the repair work.


Mian techical parameter
Rated voltage 3.6kV,7.2kV,12kV
Rated current 630A,1000A,1250A,1600A
Rated frequecy

2000A,2500A,3150A 50Hz

Rated short time withatand current 16kV,20kV,25kV,31.5kV,40kV
Protection grade IP2X

Application

The switchgear serves in the ring-network or radiation supply system of 12kV rated voltage,630A rated curent,especially in the pre-as-sembled substation to control and protect power system.


Main features

●The cabinet body is made of the aluminum-zinc-clad steel that can protect the operator once the inner fault occurs.
●The bus enclosed with insulation layer is connected to the terminals of load switch.The three-phase bus arrenges in longitudinal direction,which makes the free expansion of switchgear and the change of layout available.


Mian techical parameter
Rated voltage 12kV
Rated current

Main bus:630A

Fuse:125A[XGN15-12(F.R)]

Rated frequecy

50Hz

Rated prospective short ciruit breaking current 16kV,20kV,25kV,31.5kV,40kV
Protection grade IP2X

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