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sales service hotline:0532-58517159

    126kv intelligent combination electrical appliance

      kyn28a series metal armored mid mounted switchgear

      overview

      ​ kyn28a series metal armored mid mounted switchgear is a new generation of intelligent mid mounted switchgear products developed and developed by yihe electric group. it is applicable to 6~24kv, with a rated current of 4000a and a rated breaking current of 50ka. the product meets relevant international and domestic standards and has completed a complete set of type tests at xi'an electric high voltage research institute.

      performance characteristics

      select reliable cabinet structure

      interlocking mechanism and components

      perfect functional unit design

      adopting intelligent component control

      high quality and reliability

      safe operation

      easy installation and maintenance

      main electrical parameters of kyn28a series switchgear:

       

      project

      unit

      parameter

      switch cabinet model

       

      kyn28a-12

      kyn28-24

      rated voltage

      kv

      12

      24

      1min power frequency withstand voltage

      kv

      42 (phase to phase, ground) 48 (isolation fracture)

      65 (phase to phase, ground) 79 (isolation fracture)

      lightning impulse voltage (full wave)

      kv

      75 (phase to phase, ground) 85 (isolation fracture)

      125 (phase to phase, ground) 145 (isolation fracture)

      rated current

      a

      630、800、1250、1600、2000、2500、3150、4000

      630、1250、1600、2000、2500、3150

      short time withstand current for 4 seconds (effective value)

      ka

      20、25、31.5、40、50

      20、25、31.5

      rated peak withstand current

      ka

      50、63、80、100、125

      50、63、80

      protection level

       

      shell ip4x, ip2x when the handcart compartment door is opened

      overall dimensions (width * height * depth)

      mm

      800*1560*2200
           1000*1560(1860)*2200(rated current above 1600a)

      1000*1800(2400)*2500

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