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                  AddNo. 508 Ganglong Road, Economic Development Zone, Yangzhong City, Jiangsu Province (212213 )
                  Tel: 0511-88219009
                  E-mail:sales@jsyineng.com

                KYN28A-12 medium-voltage switchgear

                PublisherYineng group Release time2018/12/29 10:17:02 Click on the1265 Shut down







                • 1.Ratings:system voltage 3.6kV,7.2KV ,12KV,rated current up to 4000A,AC three 
                  phase 50/60HZ.
                  2.Application:medium voltage gas insulated switchgear mainly applicable in the power plant,substation, mineral enterprise to receive and distribute power with the functions of controlling,protecting and 
                  monitoring.It also can be used in places where the frequently operations are in need.
                  3.Standard: IEC62271-200


                  Working Conditions
                  1.Ambient air temperature: -15~+40.
                  2.Altitude: 1000m.
                  3.Relative humidity : Daily average95%, daily averange of vapour pressure2.2kpa.
                  4.Earthquake intensity: magnitude 8.
                  5.Applicable in the places without corrosive and flammable gas and water vapor .
                  6.Used in place without frequently intense vibrant.
                  Note: Customized products are available.





                • No.

                  Item

                  Unit

                  Data

                  1

                  Rated voltage

                  kV

                  3.6, 7.2, 12

                  2

                  Rated frequency of circuit breaker

                  Hz

                  50

                  3

                  Rated current of circuit breaker

                  A

                  630, 1250, 1600, 2000, 2500, 3150, 4000

                  4

                  Rated current of switchgear

                  A

                  630, 1250, 1600, 2000, 2500, 3150, 4000

                  5

                  Rated short -time withstandcurrent(4s)

                  kA

                  16, 20, 25, 31.5, 40, 50

                  6

                  Rated withstands current (peak)

                  kA

                  40, 50, 63, 80, 100, 25

                  7

                  Rated short -circuit breaking current

                  kA

                  16, 20, 25, 31.5, 40, 50

                  8

                  Rated short -circuit closingcurrent(peak)

                  kA

                  40, 50, 63, 80, 100, 25

                  9

                  Rated

                  1 min power frequency

                  between poles, pole to earth

                  kV

                  24, 32, 42

                  insulation

                  withstands voltage

                  between open contacts

                  kV

                  24, 32, 48

                  leve

                  Lightening impulse

                  between poles, pole to earth

                  kV

                  40, 60, 75

                  withstands voltage (peak)

                  between open contacts

                  kV

                  46, 70, 85

                  10

                  Protection level

                   

                  Shell: IP4X; IP2X when the CPT

                  and CB doors are open




                • KYN28A-12 Medium-voltage Switchgear.pdf

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