Name

Units

parameters

Rated voltage

kV

12

Rated insulation level

Rated short-term whithstand voltage

kV

42

Lightning Impulse whithstand voltage

kV

75

Rated Frequency

Hz

50

Secondary circuit voltage frequency tolerance

V

2000

Rated Current

A

630

1250

1600

Rated short-term whithstand current

kA

25

25

31.5

31.5

Rated peak current tolerance

kA

63

63

80

80

Rated short-circuit breaking current

kA

25

25

31.5

31.5

Rated short-circuit closing current

kA

63

63

80

80

Rated cable charging breaking current

A

25

Rated capacitor current portfolio Closing

kA

12.5

Rated a single / back-to-back capacitor bank breaking current

A

630/400

Operation order

-0.3s--180s-

Mechanical life

20000

Breaking number of rated current(electrical life)

20000

number of Rated short-circuit current breaking

50

clearance between open gap

mm

11±1

overtravel

mm

3.5±1

Average closing speed

m/s

0.5~0.8

Average opening speed

m/s

0.9~1.2

closing time

ms

35~70

opening time

ms

20~50

Arcing time

ms

≤15

Contact closing bounce time

ms

≤2

Three-phase contact line at different periods of gate

ms

≤2

Dynamic and static contact allowed to wear a total thickness

mm

3