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VS1-12 Series Indoor High Voltage Vacuum Circuit Breaker

Short Description:


Product Detail

Product Tags

VS1-12 indoor HV vacuum circuit breaker is a 3-phase AC 50Hz 12kV indoor switch equipment.

♦ Installation way: withdrawable type, fixed type, side mounted type;

♦ Operating mechanism: spring ope rating mechanism, permanent magnetic operating mechanism;

♦ Pole type: assembled pole, embedded pole;

♦ Application: switchgear KYN28-12, XGN-12.

♦ Secondary plug: 58pins, 64pins.

htrh (1)

htrh (2)

Product Standards

♦ IEC62271-100 High Voltage Switchgear and Controlgear Part 100: AC Circuit-breakers

♦ GB1984 High Voltage AC Circuit-breakers

♦ GB/T11022 Common Specifications for High-voltage Switchgear and Controlgear Standards

♦ JB/T 3855 High Voltage AC Vacuum Circuit-breakers

♦ DL/T402 Specification of High-voltage AC Circuit-breakers

Environmental Conditions

♦ Ambient temperature: -15°C~+40°C;

♦ 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, 4000

6 Rated short circuit breaking current kA

20, 25, 31.5, 40

- Rated short time withstand current

20, 25, 31.5, 40

fa Rated short circuit duration s

4

9 Rated peak value withstand current

kA

50, 63, 80, 100

10 Rated short circuit making current

50, 63, 80, 100

11 Secondary circuit power frequency withstand voltage (1min) V

2000

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

630/400 (800/400 for 40kA and

50kA)

 

No

Item

Unit

Value

13

Rated capacitor bank closing inrush current A

12.5

14

Opening time (rated voltage)

ms

20-50

15

Closing time (rated voltage)

ms

35-70

16

Mechanical life

Times

10000

17

Rated current breaking number

Times

10000

18

Rated short circuit current breaking number

Times

50 (30 for 40kA; 20 for 50kA)

19

Moving and fixed contacts cumulative allowed wear thickness mm

3

20 Rated closing operating voltage V

AC/DC110/220

21 Rated opening operating voltage
22 Rated voltage of energy storage motor

W

70 (80 ror 40kA and 50kA)

23 Rated power of energy storage motor
24 Energy storage time s

<10

25 Clearance between open contacts mm

11±1

26 Over travel mm

3.5±0.5

27 Contact closing bounce time ms

<2 (<3 for 40kA and 50kA)

28 Three phase opening and closing asynchronism ms

<2

29 Average opening speed

m/s

0.9-1.2

30 Average closing speed

m/s

0.5-0.8

31 Main conductive circuit resistance uQ

<60 (630A) <50(1250A) <35(1600-2000A) <25(above 2500A)

32 Closing contact pressure of the contacts N

2000±200 (20kA)

2400±200 (25kA)

3100±200 (31.5kA)

4250±250 (40kA)

6500±500 (50kA)

33 Rated operating sequence

O-0.3s-CO-180s-CO

O-180s-CO-180s-CO (50kA)

Note: when current is 4000A or 5000A, need forced air cooling.

General Structure Drawing and Installation Size (unit: mm)

Draw out type

thr (1)

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 78 637 508 202 40
650 1250

20 〜31.5

150 275 490 502 492

500

433 626

049

280 598 76 78 637 508 202 40
800 630

20 〜31.5

210 275 638 652 640

650

433 626

035

280 598 76 78 637 508 277 40
800 1250

20-40

210 275 638 652 640

650

433 626

049

280 598 76 78 637 508 277 40
800 1600

31.5〜40

210 275 638 652 640

650

433 626 055 280 598 76 78 637 508 277 40
1000 630

20 〜31.5

275 275 838 852 838

850

433 626

035

280 598 76 78 637 508 377 40
1000 1250

20 〜40

275 275 838 852 838

850

433 626

049

280 598 76 78 637 508 377 40
1000 1600

31.5-40

275 275 838 852 838

850

433 626

055

280 598 76 78 637 508 377 40
1000 1600-200

31.5 〜40

275 310 838 852 838

850

361 680

079

295 586 77 88 698 536 377

0

1000 2500〜200

31.5 〜40

275 310 838 852 838

850

361 680

0109

295 586 77 88 698 536 377

0

Fixed type

s

Cabinet width

Ra»a current (A)

P

H

A

C

E

G1
G2

J

K

L

650

630-1600

150

275

385

440

580

I

237

455

395

800

630-1600

210

275

520

588

580

II

237

455

410

1000

630~1600

275

275

720

770

580

II

237

455

410

1000

1600~5000

275

310

720

770

632

III

252

465

440

Side mounted type

thr (3)


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