No.

Designation of parameter

Unit

Data of parameter

1

Rated voltage

kV

40.5

2

Rated

isolate

 lever

1minpower frequency

Withstand voltage

Dry test

kV

95

Wet test

80

Rated lightning impulse withstand voltage(Peak))

185

3

Rated current

A

1250   1600   2000

4

Rated short circuit breaking current

kA

20     25    31.5

5

Rated operating sequence

opening-0.3s-closing opening-180s-closing opening

6

Breaking times at rated short circuit breaking current

times

20

7

Rated short circuit making current(peak)

kA

50     63     80

8

Rated peak withstanding current

9

Rated short time withstanding current

20     25     31.5

10

Rated short circuit duration time

s

4

11

full breaking current

ms

≤80

12

mechanical life

times

10000

13

Wear thickness allows of Static and dynamic contact

mm

3

14

Weight

kg

1000

No.

Designation of parameter

Unit

Data of parameter

1

Contact travel

mm

23±2

2

Contacting travel

6±2

3

Average opening speed

m/s

1.4~1.7

4

Average closing speed

0.4~0.7

5

Bounce time of contact closing

ms

≤5

6

Three phase asynchroneity (Closing/Opening)

≤2

7

Closing time

ms

≤150

8

Opening time

≤70

9

DC resistance for per phase circuit

µΩ

≤100(not include CT)

10

distance between phase center

mm

71

0/750

Rated service voltage(V)

~110

~220

-110

-220

Rated service current(A)

2.72

2.5

2.34

1.16

Rated service voltage(V)

~110

~220

-110

-220

Rated service current(A)

2.72

2.5

2.34

1.16