No. |
Item |
Unit |
Value |
1 |
Rated voltage |
kV |
40.5 |
2 |
Rated current |
A |
630 |
3 |
Rated frequency |
Hz |
50 |
4 |
Short-time power frequency withstand voltage(1min) |
kV |
95 |
5 |
Rated breaking current(25times) |
kA |
5 |
6 |
Limit breaking current(3 times) |
kA |
6.3 |
7 |
Rated making current(100times) |
kA |
6.3 |
8 |
Withstand overload current |
kA |
6.3 |
9 |
Electrical endurance |
Times |
200000 |
10 |
Rated mechanical endurance |
Times |
500000 |
11 |
Closing force due to bellow and atmosphere |
N |
100±30 |
12 |
Force required to hold contacts open at full stroke |
N |
220±50 |
13 |
Circuit resistance at lowest rated contact force |
μΩ |
≤200 |
14 |
Gas pressure inside vacuum interrupter |
Pa |
≤1×10-3 |
15 |
Weight of moving parts |
kg |
0.65 |
16 |
Weight of vacuum interrupter |
kg |
2.3 |
17 |
Clearance between open contacts |
mm |
14±1 |
18 |
Average opening speed |
m/s |
0.8±0.15 |
19 |
Average closing speed |
m/s |
0.35±0.1 |
20 |
Contact bouncing duration at closing operation |
ms |
≤3 |
21 |
Closing and opening non-simultaneity of three-phase contacts |
ms |
≤1.5 |