一区二区三区亚洲中文字幕,2020国产激情在线观看,精品国产香港三级a∨在线,综合色%20一区二区

  • <strong id="op4ko"></strong>

          1. <sup id="op4ko"><dl id="op4ko"></dl></sup>
          2. <sub id="op4ko"><s id="op4ko"><abbr id="op4ko"></abbr></s></sub>
             
             
             
             
            86-510-83720170 -8007
            E-mail: lanhong@lhdz.com
             
             
             
             
             
            LHJCZR2-7.2DJY/D315-40TM(E)
            LHJCZR2-12DJY/D200-40TM(E)

            Removable type AC high voltage vacuum contactor—fuse composite apparatus
            It is rated 7.2kV/315A、12kV/200A, phase spacing is 150mm, and pole spacing is 205mm. It can use mechanical holding type or electric holding type. The product is installed in the 650mm wide switchboard, which replaces LHJCZR1 series.

            Name

            Unit

            Value

            Main circuit

            Rated working voltage (Ue)

            kV

            7.2

            12

            Rated working current (Ie) (due to fuse)

            A

            ≤315

            ≤200

            Rated frequency (fr)

            Hz

            50~60

            Rated making capacity

            A

            10Ie

            Rated breaking capacity

            A

            8Ie

            Rated short time withstand current

            kA

            6.3

            Rated peak withstand current

            kA

            40

            Rated short circuit duration

            s

            4

            Rated anticipated short circuit breaking current (due to fuse)

            kA

            ≤40

            Rated anticipated short circuit making current

            kA

            100

            Take-over current

            A

            3150

            Power frequency withstand voltage

            Between phases, phase to earth

            kV

            32

            42

            Vacuum breaks

            kV

            32

            42

            Lightening impulse withstand voltage

            kV

            60

            75

            Control circuit

            Rated voltage1 (Us)

            V

            AC or DC. 110/220

            Rated power (Ps)

            Electric holding

            VA

            ≤1000/100 (absorbing/holding)

            Mechanical holding

            VA

            ≤900/350 (closing/opening)

            Auxiliary circuit

            Form

             

            6a+6b

            Rated value

             

            AC200V/5A

            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 endurance

            10000 times

            30

            Electrical endurance

            10000 times

            10(AC-3)

            Mechanical characteristics

            Closing time

            ms

            ≤150

            Original opening time

            ms

            ≤150(electric holding)

            ≤60(mechanical holding)

            3-phase synchronism

            ms

            ≤3

            Closing tripping

            ms

            ≤6

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

             
             
             
              Copyright ajetr.org Wuxi Lanhong Electric Co., Ltd.