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      86-510-83720170 -8007
      E-mail: lanhong@lhdz.com
       
       
       
       
       
      CKJ5-250A/1140V
       

      Name

      Unit

      Value

      Main circuit

      Rated working voltage (Ue)

      V

      1140

      Rated working current (Ie)

      A

      250

      Rated frequency (fr)

      Hz

      50~60

      Rated making capacity

      A

      12Ie (AC-4)

      Rated breaking capacity

      A

      10Ie (AC-4)

      Withstand overload current capacity/s

      A/s

      8Ie/10

      Power frequency withstand voltage

      Between phases, phase to earth

      kV

      4.2

      Vacuum breaks

      kV

      10

      Lightening impulse withstand voltage

      kV

      8

      Control circuit

      Rated voltage (Us)

      V

      220

      Rated power (Ps)electric holding

      VA

      ≤600/50 (absorbing/holding)

      Auxiliary circuit

      Form

       

      4a+3b

      Rated value

       

      AC 380V/5A

      Control circuit, auxiliary circuit to earth power frequency withstand voltage

      kV

      2

      Rated operating frequency

      Long-term

      time/h

      600(AC-3), 300(AC-4)

      Short-term

      time/h

      3600

      Mechanical endurance

      10000 times

      30

      Electrical endurance

      10000 times

      6

      Mechanical characteristics

      Closing time

      ms

      ≤200

      Original opening time

      ms

      ≤160

      3-phase synchronism

      ms

      ≤3

      Closing tripping

      ms

      ≤10

      Net weight
      kg
      7.8

      Remark: rated control voltage can be made according to customer’s requirements.

       
      ckj5-250a/1140 vacuum contactor
       
       
        Copyright www.threeearths.com Wuxi Lanhong Electric Co., Ltd.
         
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