Vacuum Circuit Breaker VS1

Rated Voltage

12

24

3

Rated current

A

1250,1600 
2000, 2500

630,1250,
1600,2000,3150

4

Rated short circuit breaking current

kA

31.5

40

50

20  

25

31.5

5

Rated short circuit breaking dropon current (peak volue)

kA

80

100

125

50 

63

80

6

Rated peak value withstand current

kA

80

100

125

50 

63

80

7

4s rated short time withstand current

kA

31.5

40

50

20 

25

31.5

8

Rated insulation level       

Power frequency withstand voltage

KV

42(fracture 48)

65

Impulse withstand voltage

75(fracture 85)

125

9

Rated sequence of operations

O-0.3s-CO-180s-CO

O-0.3s-CO-180s-CO

10

Mechanical life

Time

10000

10000

11

Breaking times for rated short circuit dropout current

Time

50

50

12

Operating voltage

V

110,220(DC or AC)

13

Contact distance

mm

11±1

14±1

14

Overtravel (contact spring reduction length)

mm

3±0.5

3.5±1

15

Three-phase opening/closing asynchrunous

ms

<2

≤2

16

Contact switch on bounce time

ms

<2

≤2

17

Average opening speed

m/s

1.05±0.15

1.0±0.2

18

Average closing speed

m/s

0.6±0.2

1.3±0.2

19

Opening time    

with max operation voltage  

s

<0.05

with min operation voltage

<0.08

20

Closing time

s

<0.1