เครื่องตัดสูญญากาศประเภท VTZ-24 / 1250-25

S.N

           Name

Unit

Data

1

Rated voltage

kV

24

  2

Rated frequency

Hz

50

3

Rated insulation

power frequency withstand voltage

kV

65

lightning impulse withstand voltage

kV

125

  4

Rated current

A

630

1000

1250

1600

2000

2500

  3150

  5

Rated short circuit breaking current

Rated short-circuit duration

kA

20

20

20

25

25

25

25

31.5

31.5

31.5

31.5

31.5

  6

Rated short circuit making current

kA

50

50

50

63

63

63

63

80

80

80

80

80

  7

Switching operations of short circuit current

Cycle

30

  8

Rated short-circuit duration

 s

4

  9

Rated operating sequence

0-0.3s-CO-180s-CO*

  10

Mechanical endurance

Cycle

10000

  11*

Rated breaking current of single capacitor bank

 A

400

  12*

Rated breaking current of back to back capacitor bank

 A

 400