| Main Technical Data |
|
|
| Rated voltage |
kv |
12 |
| Rated current |
A |
1250/1600 |
| Rated frequency |
Hz |
50 |
| Rated short-circuit breaking current |
kA |
40 |
| Operations of short-circuit breaking current interruption |
times |
30 |
| Rated short-circuit making current |
kA |
100 |
| Rated short-time withstand and current(4s) |
kA |
40 |
| Rated single capacitor bank breaking current |
A |
630 |
| Rated back-to-back capacitor bank breaking current |
A |
400 |
| Short-time(1min) power-frequency withstand voltage |
kv |
48 |
| Rated lighting impulse withstand voltage(peak) |
kv |
85 |
| Machanical life |
times |
30000 |
| Contact closing force due to bellows and atmosphere |
N |
210±50 |
| Counterforce at rated contact force |
N |
250±50 |
| Circuit resistance at rated contact force |
μΩ |
≤18 |
| Shelf life |
years |
20 |
| Part discharge |
pc |
≤5 |
| Rated operating sequence |
|
0-0.3-CO-180s -CO |
| |
|
|
| Mechanical Data of Circuit-Bearking Equipped with the Interrupters |
|
|
| Contact erosion limit |
mm |
3 |
| Rated contact stroke |
mm |
9±1 |
| contac connection stroke |
m/s |
4±1 |
| Average opening speed |
m/s |
1.1±0.2 |
| Average closing speed |
m/s |
0.6±0.2 |
| Added contact force |
N |
4200±300 |
| Bounce duration of contact closing |
ms |
≤2 |
| Out of simultaneity of contact closing and opening |
mm |
≤1 |
| Max.overtravel |
ms |
≤2 |
|
|
|
| Note:Rated characteristics can be given on requirment |
