Indoor AC HV permanent magnet circuit breaker

NO

Name

Unit

Data

1

Rated voltage

KV

12

2

Rated insulating level

Rated 1min power frequency withstand voltage

KV

Lightning impulse withstand voltage

3

Rated frequency

Hz

50

4

Rated current

A

630 1250 1600 2000 2500 3150

5

Rated short-circuit breaking current(R.M.S)

KA

20 25 31.5 40

6

Rated short-circuit making current(crest)

KA

50 63 80 100

7

Rated withstand current (4s)(R.M.S)

KA

20 25 31.5 40

8

Rated peak withstand current(crest)

KA

50 63 80 100

9

Rated short-circuit breaking times

Times

50

10

Mechanical Endurance

Times

50000(mechanism100000)

11

Rated operative sequence

Off-0.3s-on/off-180s-on/off
Off-180s- on/off -180s- on/off

12

The rated single condenser group breaking current

A

630

13

The rated back-to- back condenser group breaking current

A

400

14

Secondary operative current

V

80-264 AC/DC

15

The shortest charging time

S

<=10

16

The charge current in condenser(peak value)

A

2

17

Allowance worn thickness of moving contact

Mm

<=2

18

Opening clearance of contact

Mm

11+(-)1

19

Contact travel

Mm

3+(-)1

20

Average opening speed

M/s

1.1+(-)0.1

21

Average closing speed

M/s

0.7+(-)0.1

22

Tripping time of closing contact

Ms

<=1

23

Asyncrhonization of three phase closing/opening

Ms

<=2

24

Ms

40+(-)5