| Main Technical Data |
|
|
| Rated voltage |
kv |
40.5 |
| Rated current |
A |
1250 |
| Rated frequency |
Hz |
50 |
| Rated short-time power frequency withstand voltage(1min) |
kv |
95 |
| Rated lighting impulse withstand voltage |
kv |
185 |
| Rated short-time withstand current |
kA |
16/20 |
| Rated withstand current(peak) |
kA |
50/63 |
| Rated short-circuit making current |
kA |
50/63 |
| Rated closed-loop breaking current |
A |
1250 |
| Rated active load breaking current |
A |
1250 |
| Rated cable charging breaking current |
A |
21 |
| Rated single capacitor bank breaking currentrrent |
A |
2000 |
| Rated duration of short-circuit |
s |
4 |
| Mechanical life |
times |
10000 |
| Contact closing force due to bellows and atmosphere |
N |
150±40 |
| Counterforce at rated contact stroke |
N |
210±50 |
| Circuit resistance at rated contact force |
μΩ |
≤30 |
| Shelf life |
years |
20 |
| Contact erosion limit |
mm |
3 |
| Weight of moving parts |
kg |
≤1.3 |
| Mechanical Data Required For Matched Vacuum Switchgear |
|
|
| Rated contact stroke |
mm |
20±1 |
| Average opening speed |
m/s |
1.6±0.2 |
| Average closing speed |
m/s |
0.8±0.2 |
| Added contact force |
N |
1800/2200±200 |
| Contact bouncing duration at closing operation |
ms |
≤2 |
| Contact bouncing bank amplitude of opening operation |
mm |
≤1 |
| Three-pole simultaneity |
ms |
≤2 |
|
|
|
| Note:Rated characteristics can be given on requirment |
|
|
