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        86-510-83720170 -8007
        E-mail: lanhong@lhdz.com
         
         
         
         
         
        CKJ7-1600A/1140-A
         

        Name

        Unit

        Value

        Main circuit

        Rated working voltage (Ue)

        V

        1140

        Rated working current (Ie)

        A

        1600

        Rated frequency (fr)

        Hz

        50

        Rated making capacity

        A

        4Ie (AC-2)

        Rated breaking capacity

        A

        4Ie (AC-2)

        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

        AC. 110/220/380

        Rated power (Ps)?

        Electric holding

        VA

        ≤1000/100 (absorbing/holding)

        Mechanical holding

        VA

        ≤900/600 (closing/opening)

        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(electric holding)
        ≤60(mechanical holding)

        Closing tripping

        ms

        ≤10

        Remark: 1.rated control voltage can be made according to customer’s requirements.

         
         
         
         
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