| 1 |
Rated voltage
|
kVrms |
252 |
| 2 |
Rated current
|
Arms |
4000 |
| 3 |
Rated current
|
Hz |
50/60 |
| 4 |
Rated short-circuit breaking current
|
kArms |
50 |
| 5 |
Rated peak withstand current
|
kApeak |
130 |
| 6 |
Rated short-time withstand current (3sec)
|
kArms |
50 |
| 7 |
Rated power frequency withstand voltage (1min)
|
kVrms |
460/605 |
| 8 |
Rated lightning impulse withstand voltage
|
kVpeak |
1050/1200 |
| 9 |
Opening time
|
ms |
< 30 |
| 10 |
Closing time
|
ms |
< 100 |
| 11 |
Breaking time
|
ms |
< 50 |
| 12 |
CB rated operating sequence
|
- |
O-0.3 s-CO-180 s-CO |
| 13 |
Rated short-line fault current (L75/L90)
|
kArms |
37.5/45 |
| 14 |
Rated out-of-phase current
|
kArms |
12.5 |
| 15 |
Rated line-charging breaking current
|
Arms |
125 |
| 16 |
Rated line-charging breaking current
|
Arms |
250 |
| 17 |
Rated SF6 gas pressure (20℃)
|
MPa |
0.6 |
| 18 |
Rated SF6 gas leakage
|
%/year |
< 0.5 |
| 19 |
Type of operating mechanism (CB)
|
- |
Spring type |