Item

Unit

C module

F module

V module

CB module

load break switch

switch fuse

vacuum switch

isolate/earhing switch

vacuum circuit breader

isolate/earhing switch

rated voltage

kV

12/24

12/24

12/24

12/24

12/24

12/24

power frequency withstand voltage

kV

42/50

42/50

42/50

42/50

42/50

42/50

impulse withstand voltage

kV

95/125

95/125

95/125

95/125

95/125

95/125

rated current

A

630/630

note 1

630/630

1250/630

rated transfer current

A

1750

closed loop

A

630

off load cable charging

A

630

5% rated active load drop-out current

A

135/135

earth fault breaking current

A

31.5/-

when earth fault, drop-out current of cable charging

A

200/150 115/87

short circuit drop-out current

kA

note 2

20/16

25/20

making capacity

kA

63/50

note 2

50/40

50/40

63/50

63/50

short time current 2s

kA

25/-

short time current 3s

kA

-/20

20/16

20/16

31.5/25

31.5/25

mechanical life

times

5000

3000

5000

2000

10000

5000

Note:1)varies with rated current value of fuse 2)limited by high voltage fuse