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CKSS Solid Insulated Switchgear

CKSS solid insulated switchgear is a new generation of maintenance free product, which is combined with reliable safety and intelligence with the features of environment friendly, no pollution and small volume. It is the perfect combination of vacuum technology and insulation technology, which can replace SF6 gas completely on arc extinguishing and insulation performance conforming to the national requirement on reduction of electrical product’s exhaust emission. And it has grounding protection function with direction which can distinguish grounding fault within and outside the region and it can communicate with control center very well. 



technical parameters

Technical Data

Module V

Module C

Module F

Rated voltage(KV)

12

24

12

24

12

24

Rated frequency(Hz)

50

50

50

Rated current(A)

630

630

630

630

Rated short-circuit breaking current(KA)

25

20

/

31.5

Rated breaking cable charging current(A)

/

10

10

Rated short-time withstand current(KA)

25

20

20

/

Rated short-time withstand time(S)

4

4

/

Rated peak withstand current(KA)

63

50

50

/

Rated short-circuit making current(KA)

63

50

50

/

Rated breaking transfer current(A)

/

/

3150

Rated insulating level

Rated lightning impulse withstand voltage(kV)

phase-to-phase 

phase-to-earth

75

95

75

95

75

95

open contact

85

110

85

110

85

110

Rated power frequency withstand voltage(kV/ min)

phase-to-phase phase-to-earth  

42

65

42

65

42

65

open contact

48

79

48

79

48

79

Auxiliary control circuit

2

2

2

mechanical life (times)

10000

10000

10000

main circuit resistance (μΩ)

≤140

≤140

≤700

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