LHVC7 / LHVC12 vacuum contavtor_Wuxi Lanhong Electric Co., Ltd.
 
 
 
 
86-510-83726583
86-510-83720170
E-mail: lanhong@lhdz.com
 
 
 
 
LHVC7/LHVC12 vacuum contactor ( Vacuum Interrupter by ABB )
 
 
powered by abb
powered by abb
 
LHVC7/LHVC12真空接触器
LHVC7/LHVC12真空接触器
 
         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电保持型二次控制原理图
 
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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