Mechanical 12kv ZW32 50 ( 60 ) Hz High Voltage Outdoor Vacuum mv Circuit Breakers

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

(wet)

kV

34/36

(dry)

kV

42/49

12

Lightning?impulse?withstand?voltage(peak)

kV

75/85

13

Secondary?circuit?power?frequency?withstand?voltage?(1min)

V

2000

?Table2?Circuit?Breaker\'s?Main?Mechanical?Data

NO

Item

Unit

Data

12kv

1

Clearance?between?contacts

mm

9±1

2

Contact\'s?overtravel

mm

2.5±0.5

3