FN25-12D,FN25-12DR high voltage load break isolating switch

Number

Name

Unit

FN25-12D/T630-20

FN25-12DR/T125-31.5

1

Rated voltage

KV

12

2

Rated frequency

Hz

50

3

Rated current

A

630

100

4

Rated
insulating level

1min power frequency withstand voltage

kv

Arc room break30.To ground and interphase42,isolating break48

Lighting impulse resisting voltage(peak)

To ground and interphase 75.Isolating break85

5

4S heat-stabling current

KA

20

6

Rated machine stabling current(peak)

50

7

Rated closed switch-off current

A

630

8

Rated power load switch-off current

630

9

Rated cable charging switch-off current

10

10

Rated transfer current

2000

11

Switch-off no-load transformer capacity

kva

1250

12

Rated short-circuit switch-off current

KA

31.5

13

Rated short-circuit controlly current(peak)

50

80
Prospesctive value

14

Earth switch rated heat-stabling current(2S)

20

15

Earth switch rated machine stabling current(peak)

50

16

On-and-off operating power rated voltage

v

DC220,110 AC220,110

17

Mechnical life(load switch/earth switch)

Times

10000/200