LHVC7 / LHVC12 vacuum contavtor_Wuxi Lanhong Electric Co., Ltd.
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        86-510-83720170 -8007
        E-mail: lanhong@lhdz.com
         
         
         
         
        LHVC7/LHVC12 vacuum contactor ( Vacuum Interrupter by ABB )
         
         
        powered by abb
        powered by abb
         
        LHVC7/LHVC12真空接觸器
        LHVC7/LHVC12真空接觸器
         
                 1.Technical Data

        Item

        Unit

        Data

         

         

        LHVC7

        LHVC12

        LHVC/P

        Main circuit

        Rated operational voltage(Ue)

        kV

        7.2

        12

        7.2

        12

        Rated operational current(Ie)

        A

        400

        400

        ≤315
        (due to fuse)

        ≤200
        (due to fuse)

        Rated frequency(fr)

        Hz

        50/60

        Rated making capacity

        kA

        4.0

        Rated breaking capacity

        kA

        3.2

        Rated short time withstand current

        kA

        6.0

        Rated peak withstand current

        kA

        15

        Rated short circuit duration

        s

        1

        Rated expected short circuit breaking current

        kA

        /

        ≤50 (due to fuse)

        Rated expected short circuit closing current

        kA

        100

        Take-over current

        kA

        4.0

        Power frequency withstand voltage

        Between phases, phase to earth

        kV

        32

        42

        32

        42

        Vacuum breaks

        kV

        32

        42

        32

        42

        Lightening impulse withstand voltage

        kV

        60

        75

        60

        75

        Resistance

        μΩ

        ≤150

        ≤150

        ≤300 (due to fuse)

        Control circuit

        Rated voltage (Us)

        V

        AC or DC.110/220

        Rated power (Ps)?

        Electric holding

        VA

        ≤1000/100 (absorbing/holding)

        Mechanical holding

        VA

        ≤1200/800 (closing/opening)

        ≤1200/350 (closing/opening)

        Control mode

         

        E type: electric holding; M type; mechanical holding

        Auxiliary circuit

        Form

         

        5a+5b

        6a+6b

        Rated value

         

        AC 220V/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

        100

        100

        30

        Electrical endurance

        10000 times

        10(AC-3)

        Closing time

        ms

        45-65

        ≤150

        Mechanical characteristics

        Original opening time

        ms

        25-40 (electric holding)
        15-30(mechanical holding)

        ≤150 (electric holding)
        ≤60(mechanical holding)

        3-phase synchronism

        ms

        ≤3

        Net weight

        kg

        26 (electric holding)
        28(mechanical holding)

        81(without fuse)

         
                 2. Drawing
        LHVC7 vacuum contavtor
         
        LHVC12 vacuum contavtor
         
        LHVC7/LHVC12 mechanical holding type secondary control diagram
         
        LHVC7/LHVC12電保持型二次控制原理圖
         
        LHVC/P12 vacuum contavtor
         
         
         
         
         

        Symbol

        Name

        Function

        Symbol

        Name

        Function

        SA

        Auxiliary switch

        Circuit switching

        X

        Socket

        Control wires collection

        S3

        Limit switch in test position

        Circuit switching

        A

        Wiring terminal

        Components connection

        S4

        Limit switch in working position

        Circuit switching

        K

        Closing relay

        Contactor closing control

        S1、S2

        Fuse mode switch

        Fuse checking

        TQ

        Opening eletromagnet

        Contactor opening control

        HQ1
        HQ2

        Closing coil

        Contactor? closing components

        SC

        Closing control button or switch

        Contactor closing? control by user

        CB

        Control power box

        Rectifier components

        SO

        Opening control button or switch

        Contactor opening control by user

        PC

        Counter

        Circuit switching

         

         

         

         
         
         
         
         
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