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      86-510-83720170 -8007
      E-mail: lanhong@lhdz.com
       
       
       
       
       
      CKJ3-(800,1000,1250)A/1140V
      ckj3-800/1000/1250a/1140-a真空接觸器
       

      Name

      Unit

      Value

      Main circuit

      Rated working voltage (Ue)

      V

      1140

      Rated working current (Ie)

      A

      800, 1000,1250

      Rated thermal current (Ith)

      A

      800, 1000,1250

      Rated frequency (fr)

      Hz

      50~60

      Rated making capacity

      A

      4Ie(AC2)

      Rated breaking capacity

      A

      4Ie (AC2)

      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 voltage1 (Us)

      V

      AC. Or DC

      110/220/380

      Rated power (Ps)

      Electric holding

      VA

      ≤1000/100 (absorbing/holding)

      Auxiliary circuit

      Form

       

      3a+3b

      Rated value

       

      AC380V/5A, DC380V/1A

      Control circuit, auxiliary circuit to earth power frequency withstand voltage

      kV

      2

      Rated operating frequency

      Long-term or mechanical holding type

      time/h

      300

      Short-term

      time/h

      600

      Mechanical endurance2

      10000 times

      30

      Electrical endurance

      10000 times

      10

      Mechanical characteristics

      Closing time

      ms

      ≤200

      Original opening time

      ms

      ≤160

      3-phase synchronism

      ms

      ≤3

      Closing tripping

      ms

      ≤10

      Remark: 1.rated control voltage can be made according to customer’s requirements.
      2.for mechanical holding type, the interlock mechanism should be changed every 300,000 times.

       
       
      CKJ3-(800,1000,1250)A/1140V
       
       
        Copyright www.threeearths.com Wuxi Lanhong Electric Co., Ltd.
         
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