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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