LHVC7 / LHVC12 vacuum contavtor_Wuxi Lanhong Electric Co., Ltd.
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            1.  
               
               
               
              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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