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Main Technical Data
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Rated voltage
|
kv
|
12
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Rated current
|
A
|
3150/4000
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Rated frequency
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Hz
|
50
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Rated short-circuit breaking current
|
kA
|
40
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Operations of short-circuit breaking current interruption
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times
|
30
|
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Rated short-circuit making current
|
kA
|
100
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Rated short-time withstand and current(4s)
|
kA
|
40
|
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Rated single capacitor bank breaking current
|
A
|
630
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|
Rated back-to-back capacitor bank breaking current
|
A
|
400
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Short-time(1min) power-frequency withstand voltage
|
kv
|
48
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Rated lighting impulse withstand voltage(peak)
|
kv
|
85
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Machanical life
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times
|
30000
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|
Contact closing force due to bellows and atmosphere
|
N
|
200±50
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|
Counterforce at rated contact force
|
N
|
300±50
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|
Circuit resistance at rated contact force
|
μΩ
|
≤18
|
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Shelf life
|
years
|
20
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|
Part discharge
|
pc
|
≤5
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Rated operating sequence
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0-0.3-CO-180s -CO
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|
|
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Mechanical Data of Circuit-Bearking Equipped with the Interrupters
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|
|
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Contact erosion limit
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mm
|
3
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Rated contact stroke
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mm
|
9±1
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contac connection stroke
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m/s
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4±1
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Average opening speed
|
m/s
|
1.1±0.2
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Average closing speed
|
m/s
|
0.6±0.2
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|
Added contact force
|
N
|
4200±300
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|
Bounce duration of contact closing
|
ms
|
≤2
|
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Out of simultaneity of contact closing and opening
|
mm
|
≤1
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Max.overtravel
|
ms
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≤2
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Note:Rated characteristics can be given on requirment
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