miniature OEM ZW32 - 12 Vacuum mccb oil generator Circuit Breaker 630 / 1250 A

Table 1  Circuit Breaker's Main Technical Data

Data

NO

Item

Unit

12kv

1

Rated voltage

kV

12

2

Rated frequency

Hz

50

3

Rated current

A

630/1250

4

Rated short circuit breaking current

kA

20/25

5

Rated peak withstand current

kA

50/63

6

Rated short time withstand current/ lasting time

kA/s

20/4 , 25/4

7

Rated short circuit closing current(peak)

kA

50/63

8

Rated operating sequence

O-0.3s-CO-180s-CO

9

Mechanical life

10000

10

Rated short circuit breaking current breaking times

50

11

1min power frequency withstand current