| Breaking Capacity: | High Voltage Circuit Breakers |
|---|---|
| Operation: | Electric Type |
| Speed: | Normal Type Circuit Breaker |
| Arc-extinguishing Medium: | Vacuum |
| Installation: | Fixed |
| Structure: | Recloser |
| Customization: |
|---|
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|
item
|
unit
|
data
|
|
Rated voltage
|
kv
|
12
|
|
Rated frequency
|
hz
|
50
|
|
Rated current
|
a
|
630
|
|
Rated short-circuit breaking current
|
ka
|
20
|
|
Peak value of rated closing current
|
ka
|
50
|
|
Peak value of rated dynamic stable current
|
ka
|
50
|
|
4s heat stable current
|
ka
|
20
|
|
Rated operating sequence
|
|
Minute -0.3s- combined minute -180s- combined minute
|
|
Rated energy storage motor voltage
|
v
|
ac220
|
|
Maximum/minimum energy storage motor voltage
|
v
|
ac242/87
|
|
Rated closing operating voltage
|
v
|
ac220
|
|
Maximum/minimum closing operating voltage
|
v
|
ac264/43
|
|
Rated opening operating voltage
|
v
|
ac220
|
|
Maximum/minimum opening operating voltage
|
v
|
ac264/43
|
|
Different closing periods
|
ms
|
≤2
|
|
Different switching periods
|
ms
|
≤2
|
|
SF6 gas rated pressure (gauge pressure)
|
mpa
|
0.01
|
|
The number of times the rated short circuit current is broken
|
sequence
|
30
|
|
Mechanical life
|
sequence
|
10000
|
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