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Main Technical Data
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Rated voltage
|
kv
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12
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Rated current
|
A
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1250/1600
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Rated frequency
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Hz
|
50
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Rated short-circuit breaking current
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kA
|
25/31.5
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Operations of short-circuit breaking current interruption
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times
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50
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Rated short-circuit making current
|
kA
|
63/80
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Rated short-time withstand and current(4s)
|
kA
|
31.5
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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
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85
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Machanical life
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times
|
20000
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Contact closing force due to bellows and atmosphere
|
N
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100±30
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Counterforce at rated contact force
|
N
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200±30
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Circuit resistance at rated contact force
|
μΩ
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≤25
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Shelf life
|
years
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20
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Part discharge
|
pc
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≤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
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9±1
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contac connection stroke
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m/s
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3.5±1
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Average opening speed
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m/s
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1.1±0.2
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Average closing speed
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m/s
|
0.7±0.2
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Added contact force
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N
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2500/3150±200
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Bounce duration of contact closing
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ms
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≤2
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Out of simultaneity of contact closing and opening
|
mm
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≤1
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Max.overtravel
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ms
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≤2
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Note:Rated characteristics can be given on requirment
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