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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