IEC62271 - 100 Rated Insulating Level 42 / 75 kV 12kv VMD2 Indoor Vacuum Circuit Breaker

NO

Item

Unit

Technical?Date

1

Rated?voltage?

kV

12

2

Rated?insulating level

Rated?short?time?power?

frequency?withstand?voltage

(1min)??????????

42

Raed?lighting?inpulse

?withstand?voltage?

(peak?value)??????????????

75

3

Rated?Frequency

Hz

50

4

Rated?current?

A

630

630

1250

1250

1250

1250

1600

1600

2000

2000

2500

2500

3150

3150

4000

4000

5

Rated?short?circuit

?breaking?current????????

kA

20

25

31.5

40

6

Rated?short?time?withstand?current???????????

20

25

31.5

40

7

Rated?peak?withstand?current??

50

63

80

100

8

Rated?short-circuit?

closing?current?(peak?value)

50

63

80

100

9

4S?rated?short-time?

withstand?current??4s?

20

25

31.5

40

10

Rated?shock?steady?current?

50

63

80

100

11

Rated?making?surge?current?of?

capacitor?bank

12.5(The?frequency?is?

less?than?1000Hz)

12