GVS6-12kV 20kA / 25kA Embedded Poles High Voltage Vacuum Circuit Breaker

NO

Item

Units

parameters

1

Rated voltage

KV

12

2

Rated Frequency

HZ

50

3

Rated Lightning Impulse voltage tolerance(peak)

KV

75

4

Rated short-time power-frequency voltage tolerance(1min)

KV

42

5

Rated current

A

630.1250

630.1250

1250.1600

2000.2500

1600.2000.2500.3150.4000.5000

6

rated short-circuit breaking current

KA

20

25

31.5

40

7

rated short-circuit closing current (peak)

KA

50

63

80

100

8

rated short-circuit duration time

S

4

9

Rated operating sequence

0-0.3s-CO-180s-CO 0-180s-CO-180s-CO(40KA)

10

Rated a single / back-to-back electric current breaking device group

A

630/400

11

Rated short-circuit breaking current breaking number

times

30

12

Closing time

ms

35-70

13

Opening time

Times

20-50

14

Mechanical life

V

10000