33kV SF6 Circuit Breaker

Rated Voltage

KV

12

24

36

Insulation

kVrms/kVP

28/75

50/125

70/170

Normal Current(40C anp)

A

1250,1600,2000,2500,3150

1250, 2000, 2500

1250, 1600, 2000

Breaking Capacity

kA

40

26.3

26.3

Making Capacity

kAp

100

66

66

Short time withstand current

kA

40 (1sec) :1250A

40 (3sec) : 1600-3150A

26.3(3sec)

26.3(3sec)

Gas Pressure

bar(abs)

3-3.5

3-3.5

3-3.5

Opening Time

ms

36-45

36-45

36-45

Arcing Time

ms

15

15

15

Total Break Time

ms

60

60

60

Making Time

ms

75

75

75

Operating Sequence

-

0-3min – CO-3 min-CO/

0-0.3sec CO-3 min - CO

Weight(approx)

kg

190-225

190-220

300