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12 17.5 24kV Indoor Vacuum Circuit Breakers, GPVN-E Series

Short Description:

GPVN-12kV/17.5Kv/24kV Model indoor AC high voltage vacuum circuit breaker is a type of holistic and completely sealed High Voltage switchgear, it has compact dimension and small volume. The VCB applies to power system of rated voltage 7.2~24kV, three-phase and AC 50/60Hz. It is applicable in occasions with frequent operations, acting to protect and control line and electric apparatus. The product conforms to IEC62271-100, GB1984, JB3855 and DL1403 and passes type test.


Product Detail

Product Tags

Ambient Condition

Ambient temperature: -25℃~+45℃, daily average: ≤35℃
Altitude: 1000m(Standard); can up to 4500m for special ordering;
Relative humidity: daily average ≤95%, monthly average ≤90%;
Earthquake intensity ≤8 degree;
Applicable occasions should be free from inflammables, explosives, corrosives and severe vibration.

Model

10

GPVN -12Kv/17.5kV Indoor AC High Voltage Vacuum Circuit Breaker

Technical Specifications

No.

Item

Unit

Data

1

Rated voltage

kV

7.2~12(15/17.5)

2

Rated frequency

Hz

50/60

3

Rated current

A

630,1000,1250

1600

2000,2500,3150

4000

4

Rated short-circuit breaking current

kA

20

25

31.5

31.5

40

40

50

5

Rated short-circuit making current

kA

50

63

80

80

100

100

125

6

Rated short-time withstand current

kA

20

25

31.5

31.5

40

40

50

7

Rated peak withstand current

kA

50

63

80

80

100

100

125

8

Rated pull-out breaking current

kA

   

12.6

12.6

16

16

20

9

Rated out-of-phase earthing fault breaking current

kA

17.4

21.7

27.4

27.4

34.7

34.7

43.5

10

Rated short-circuit breaking current breaking time

Times

50

30

30

12

11

Rated operation sequence

 

O-0.3s-CO-180s-CO

O-180s-CO-180s-CO

12

Rated breaking current of single capacitor bank

A

630

13

Rated breaking current of back to back capacitor bank

A

400

14

1min. Power frequency withstand voltage

kV

Phase to phase/ to earth: 42, across open contacts:48

15

Lightning impulse withstand voltage

kV

Phase to phase/ to earth: 75, across open contacts:85

16

Mechanical life

Times

20000

17

Closing time

ms

≤75

18

Opening time

ms

≤60

19

Power storage time under rated voltage

s

≤10

Outline Dimension of GPVN-12E

20
30

GPVN-24□ Indoor AC High Voltage Vacuum Circuit Breaker

Technical Specification

No.

Item

Unit

Data

1

Rated voltage

kV

24

2

Rated frequency

Hz

50/60

3

Rated current

A

630    1250    1600    2000    2500    3150    4000

4

Rated short-circuit breaking current

kA

20

25

31.5

31.5

5

Rated short-circuit making current

kA

50

63

80

80

6

Rated short-circuit withstand current(4s)

kA

20

25

31.5

31.5

7

Rated peak withstand current

kA

50

63

80

80

8

Rated out-of-step breaking current

kA

12.6

12.6

9

Rated breaking current of out-of-phase earth fault

kA

17.4

21.7

27.4

27.4

10

Rated breaking times of short-circuit breaking current

Times

50

11

Rated operating sequence

O-0.3s-CO-180s-CO

12

Rated breaking current of single capacitor bank

A

630

13

Rated breaking current of back-to-back capacitor bank

A

400

14

1min. Power frequency  withstand voltage

kV

50

15

Lightning impulse withstand voltage

kV

125

16

Mechanical life

Times

20000

17

Closing time

ms

75

18

Opening time

ms

60

19

Storage time under rated voltage

s

10

Dimension of GPVN-24E/(630~1250A) Breakers

40

Dimension of GPVN-24E/(1600~3150A) Breakers

50

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