ZW32-12 Series Outdoor High Voltage Vacuum Circuit Breaker

No.

Item

Unit

Value

1

Rated voltage

kV

12

2

Rated frequency

Hz

50

3

Rated current

A

630

4

Rated short-circuit breaking current

kA

20

5

Rated peak withstand current

kA

50

6

Rated short-time withstand current (4s)

kA

20

7

Rated short circuit close current (peak)

kA

50

8

Mechanical life

times

10000

9

Rated short open circuit current switching frequency

times

30

10

1 min power frequency withstand voltage(wet)(dry) alternate with, on/fracture

kV

42/48

11

Lightning impulse withstand voltage(peak) relative to ground/fracture

kV

75/85

12

Secondary loop 1min power frequency withstand voltage

kV

2