Main Technical Data |
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Rated voltage |
kv |
24 |
Rated current |
A |
400/630 |
Rated frequency |
Hz |
50 |
Rated short-time power frequency withstand voltage(1min) |
kv |
79 |
Rated lighting impulse withstand voltage |
kv |
145 |
Rated making current |
kA |
6.3 |
Rated breaking current,max |
kA |
5.0 |
Rated breaking current,min |
A |
125 |
Rated making current,limit |
kA |
6.3 |
Rated short-time withstand current |
kA |
6.3 |
Rated duration of short-circuit |
s |
4 |
Mechanical life |
times |
30×10000 |
Electricity life AC-3 |
times |
25×10000 |
Electricity life AC-4 |
times |
10×10000 |
Rated contact stroke |
mm |
8±1 |
Contact closing force due to bellows and atmosphere |
N |
120±50 |
Counterforce at rated contact stroke |
N |
190±60 |
Circuit resistance at rated contact atmosophere force |
μΩ |
≤45 |
Shelf life |
years |
20 |
Contact erosion limit |
mm |
3 |
Weight of moving parts |
kg |
≤1.2 |
Mechanical Data Required For Matched Vacuum Switchgear |
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|
Average opening speed |
m/s |
1.0±0.2 |
Average closing speed |
m/s |
0.6±0.2 |
Added contact force |
N |
500±50 |
Contact bouncing duration at closing operation |
ms |
≤2 |
Contact bouncing bank amplitude of opening operation |
ms |
≤2 |
Three-pole simultaneity |
ms |
≤1 |
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Note:Rated characteristics can be given on requirment |
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