Gold Member Since 2017
Audited Supplier

HUANGHUA GROUP CO., LTD.

Switchgear, Distribution Box, Substation manufacturer / supplier in China, offering Intelligent Steel Substation with Blue Color, Zw7-40.5 35kv Outdoor Vacuum Circuit Breaker with CT Inside, Silent Type Diesel Generator for Land or Marine Use and so on.

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Intelligent integration substation

 1 Main technical parameter of VCB ZN85-40.5 or VCB ZN12-40.5 equipped to main switch in KYN61-40.5 or XGN-40.5 switchgear.

 

No.

Item

Unit

Data

1

Rated voltage

kV

40.5

2

Rated insulation level

kV

95 for 1min power frequency withstand voltage(effective)

kV

185 for rated lightning impulse withstand voltage (effective)

3

Rated frequency

Hz

50

4

 

Rated current

A

1250   1600

5

Rated short-circuit breaking current

kA

25   31.5

Rated short-time withstand current

kA

25   31.5

Rated short circuit continuous time

s

4

6

Rated peak withstand current

kA

63   80

Rated short-circuit closing current(peak)

kA

63   80

7

Rated operation sequence

 

Open-0.3s-close open-180s-close open

8

Breaking time

ms

<80

9

Rated breaking current(capacitor)

A

630

10

Mechanical life

 

10000times

11

Rated operating voltage

V

-110/~110,-220~220

12

The current breaking times for rated short-circuit broken

 

20 times

 

      

2.See technical parameters of VCB ZN63A(VS1) installed in XGN36-12(DXG-12), KYN28A-12 related product of our company.

 

No.

Item

Unit

Data

Data

Data

Data

Data

1

Rated voltage

kV

12

12

12

12

12

2

Rated current

A

630 1250

630,1250

630,1250,1600

1250,1600,2000

1250,2500,3150

3

Rated insulation level

kV

42

42

42

42

42

75

75

75

75

75

4

Rated short-circuit breaking current

kA

16

20

25

31.5

40

5

Rated short-circuit closing current(peak)

40

50

63

80

100

6

Rated peak withstand current

40

50

63

80

100

7

Rated short-time withstand current

16

20

25

31.5

40

8

The current breaking times for rated short-circuit broken

times

50

50

50

50

30

9

Rated short circuit continuous time

S

4

4

4

4

4

10

Rated operation sequence

Open-t-close-open-180s-close-open

11

Mechanical life

time

20000

20000

20000

20000

20000

12

Rated breaking current(unit capacitors)

A

630

630

630

630

630

13

Rated breaking current(back to back capacitors)

A

400

400

400

400

400

 

Noted: 16KA,20KA,31.5KA: t=0.3s; 40KA: t=180s