ZN63A(VS1)-24 VCB/ Vacuum circuit breaker

ZN63A(VS1)-24 VCB/ Vacuum circuit breaker

1.It can match with KYN28(GZS1), XGN and GG1-A series of switchgears.
2.The products meet standards of GB 1984-2003.
3.The two different installation units of fixed type and withdrawable type can meet the different requirements for different switchgears.
4.Free maintenance for 10000 cycles
5.Mechanical life reaches 20000 cycles and 60000 cycles when with permanent magnetic mechanism6.
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Product Details

Main technical specification of ZN63A(VS1)-24


Name

Unit

Data

1

Rated voltage

kV

24

2

Rated frequency

Hz

50


 3


Rated insulation level

power frequency withstand voltage/min


   kV

65

Rated lightning impulse withstand voltage

125

4

Rated current

A

630

1250

1600

2000

2500

3150

 

5

Rated short circuit breaking current

Rated short-circuit duration


   kA

20

20





25

25

25





31.5

31.5

31.5

31.5

31.5

 

6

 

Rated short circuit making current


   kA

50

50





63

63

63





80

80

80

80

80

7

Switching operations of short circuit current

Cycle

30

8

Rated short-circuit duration

s

4

9

Rated operating sequence


O-0.3s-co-180s--CO

10

Mechanical endurance

Cycle

20000

11

Rated breaking current of single capacitor bank

A

630

12

Rated breaking current of back to back capacitor bank

A

400

Note: The specification of No.11 and No.12 in table 1 is the rated data if required.


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