• sns01
  • sns03
  • sns02

VSG-12 Series Indoor High Voltage Vacuum Circuit Breaker

Short Description:


Product Detail

Product Tags

VSG-12 indoor HV vacuum circuit breaker is a 3-phase AC 50Hz 12kV indoor switch equipment.

♦ Installation way: withdrawable type, fixed type;

♦ Operating mechanism: spring operating mechanism;

♦ Pole type: assembled pole, embedded pole;

♦ Phase-to-phase distance: 150mm, 210mm, 275mm;

Environmental Conditions

♦ Ambient temperature: -15r~+40r

♦ Altitude: <1000m;

♦ Relative humidity: daily average <95%, monthly average <90%

♦ Earthquake intensity: <8 level;

♦ Places without fire, explosion hazard, serious filthy, chemical corrosion, as well as intense vibration.

Main Technical Parameters

No

Item

Unit

Value

1 Rated voltage

kV

12

2 1 min power frequency withstand voltage

42

3 Rated lightning impulse withstand voltage

75

4 Rated frequency

Hz

50

5 Rated current A

630, 1250, 1600, 2000, 2500,

3150

6 Rated short circuit breaking current

kA

25, 31.5, 40

7 Rated short time withstand current

25, 31.5, 40

8 Rated short circuit duration s

4

9 Rated peak value withstand current

kA

63, 80, 100

10 Rated short circuit making current

63, 80, 100

11 Secondary circuit power frequency withstand voltage (Imin) V

2000

12 Rated single / back-to-back capacitor bank breaking current A

630/400 (800/400 for 40kA)

Opening time (rated voltage)

ms

20-50

14

Closing time (rated voltage)

ms

35-70

15

Mechanical life

Times

10000

16

Electrical life

E2 class

17

Moving and fixed contacts cumulative allowed wear thickness mm

3

18

Rated closing operating voltage V

AC/DC110/220

19

Rated opening operating voltage

 

No

Item

Unit

Value

20

Motor rated power

W

90

21

Charging time

s

<15

22

Clearance between open contacts

mm

9±1

23

Over travel

mm

3±1

24 Contact closing bounce time

ms

<2

25

Three phase opening and closing asynchronism

ms

<2

26 Average opening speed

m/s

0.9-1./

27 Average closing speed

m/s

0.6 〜1.0

28

Main conductive circuit resistance

uQ

<45 (630A) <35(1250-2000A)

<25(above 2500A)

29 Closing contact pressure of the contacts N

3100-3700 (25-31.5kA)

4400-4800 (40kA)

30 Rated operating sequence

O-0.3s-CO-180s-CO

Note: when current is 4000A, need forced air cooling.

General Structure Drawing and Installation Size (unit: mm)

Draw out type (assembled pole)

w1

cabinet width

rated current (A)

rated short circuit breaking current (kA)

P H A

B

C

D

E

F

G

J

K

L

M

N

R

S

T

650

630

20’31.5

150 275 490 502 492 500 433 626 035 280 598 76 78 637 501 202 40
650 12j0

20-31.5

150 275 490 502 492 500 433 626 049 280 598 76 78 637 501 202 40

800

630

20-31.5

210 275 638 652 640 650 433 626 035 280 598 76 78 637 501 277 40
800 1250

20-40

210 275 638 652 640 650 433 626 049 280 598 76 78 637 501 277 40
800 1600

31.5-40

210 275 638 652 640 650 433 626 055 280 598 76 78 637 501 277 40
WOO 030

20-31.5

275 275 838 852 838 850 433 626 035 280 598 76 78 637 501 377 40
1000 1250

20-40

275 275 838 852 838 850 433 626 049 280 598 76 78 637 501 377 40
1000 1600

31.5-40

275 275 838 852 838 850 433 626 055 280 598 76 78 637 501 377 40
1000 1600-2000

31.5-40

310 310 838 852 838 850 361 680 079 295 586 77 88 698 529 377

0

1000 2500-4000

31.5-40

310 310 838 852 838 850 361 680

0109

295 586 77 88 698 529 377 0

♦ Draw out type (embedded pole)

w2

G

J

K

L

M

N

R

S

T

0)35 280 598

76

78

637 501

202

40
①49 280 598

76

78

637 501

202

40
035 280 598

76

78

637 501

277

40
①49 280 598

76

78

637 501

277

40
(D79 295 586

77

88

698 509

377

0

0109 295 586

77

88

698 509

377

0

Fixed type (assembled pole)

w3

A

B

C

E

F

G1 G2

J

K

520

520

588

580

72

I

237

462

720

720

770

580

72

I

237

462

650

720

770

632

85

II

252

472

♦ Fixed type (embedded pole)

q1 q2


  • Previous:
  • Next: