|
Main Technical Data
|
|
|
|
Rated voltage
|
kv
|
12
|
|
Rated current
|
A
|
1600/1250
|
|
Rated frequency
|
Hz
|
50
|
|
Rated short-time power frequency withstand voltage(1min)
|
kv
|
48
|
|
Rated lighting impulse withstand voltage
|
kv
|
85
|
|
Rated short-circuit breaking current
|
kA
|
26.3
|
|
Rated short-circuit making current(peak)
|
kA
|
67
|
|
Rated operations of short-circuit breaking current interruption
|
times
|
30
|
|
Rated single capacitor bank breaking current
|
A
|
630
|
|
Rated short-time withstand current
|
kA
|
26.3
|
|
Rated peak withstand current
|
kA
|
67
|
|
Rated duration of short-circuit
|
s
|
4
|
|
Mechanical life
|
times
|
30000
|
|
Contact closing force due to bellows and atmosphere
|
N
|
120±50
|
|
Counterforce at rated contact stroke
|
N
|
190±60
|
|
Three-pole simultaneity
|
μΩ
|
≤20
|
|
Shelf life
|
years
|
20
|
|
Contact erosion limit
|
mm
|
3
|
|
Weight of moving parts
|
kg
|
≤1.5
|
|
Mechanical Data Required For Matched Vacuum Switchgear
|
|
|
|
Rated contact stroke
|
mm
|
9±1
|
|
Average opening speed
|
m/s
|
1.0±0.25
|
|
Average closing speed
|
m/s
|
0.65±0.15
|
|
Added contact force
|
N
|
2000±200
|
|
Contact bouncing duration at closing operation
|
ms
|
≤2
|
|
Contact bouncing bank amplitude of opening operation
|
ms
|
≤2
|
|
Three-pole simultaneity
|
ms
|
≤1
|
|
|
|
|
|
Note:Rated characteristics can be given on requirment
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