40.5kv VMD5 Indoor High Voltage Vacuum Circuit Breaker for Power Medium Voltage Switchgear

NO

Item

Unit

Technical?Date

1

Rated?voltage?

kV

40.5

2

Rated?short?time?power?frequency?

withstand?voltage(1min)??????????????

95

Raed?lighting?inpulse

?withstand?voltage?(peak?value)??????????????????

185

3

Rated?Frequency?

Hz

50/60

4

Rated?current?

A

630

630

1250

1250

1250

1600

2000

2500

5

Rated?short?circuit?breaking?current?

kA

20

25

31.5

6

Rated?short?time?withstand?current

20

25

31.5

7

Rated?peak?withstand?current?

50

63

80

8

4S?rated?short-time?withstand?current?

20

25

31.5

9

Rated?shock?steady?current?

50

63

80

10

Rated?short-circuit?closing?current?(peak?value)???????

50

63

80

11

Duration?of?rated?short-circuit?current

S

4

12

Mechanical?life?

Times

10000

13

Rated?making?surge?current?of?capacitor?bank???

kA

12.5?(The?frequency?is?

less?than?1000Hz)????

14

Rated?breaking?current?of?single

/symmetrical?capacitor?bank?

A

630/400

15

Breaking?times?at?rated?short-circuit?current?????

Times

20

16