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Help CenterThree - Phase Longitudinal Conductance VMD3 Indoor Vacuum Circuit Breaker for Power Plant
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Certification:CE, QS, CCC
Three - Phase Longitudinal Conductance VMD3 Indoor Vacuum Circuit Breaker for Power Plant
Technical Parameters
|
NO |
Item |
Unit |
Technical Date |
|||
|
1 |
Rated voltage |
kV |
12 |
|||
|
2 |
Rated insulating level |
Rated short time power frequency withstand voltage (1min) |
42 |
|||
|
Raed lighting inpulse withstand voltage (peak value) |
75 |
|||||
|
3 |
Rated Frequency |
Hz |
50 |
|||
|
4 |
Rated current |
A |
630 |
630 |
1250 |
1250 |
|
1250 |
1250 |
1600 |
1600 |
|||
|
2000 |
2000 |
|||||
|
2500 |
2500 |
|||||
|
3150 |
3150 |
|||||
|
4000 |
4000 |
|||||
|
5 |
Rated short circuit breaking current |
kA |
20 |
25 |
31.5 |
40 |
|
6 |
Rated short time withstand current |
20 |
25 |
31.5 |
40 |
|
|
7 |
Rated peak withstand current |
50 |
63 |
80 |
100 |
|
|
8 |
Rated short-circuit closing current (peak value) |
50 |
63 |
80 |
100 |
|
|
9 |
4S rated short-time withstand current 4s |
20 |
25 |
31.5 |
40 |
|
|
10 |
Rated shock steady current |
50 |
63 |
80 |
100 |
|
|
11 |
Rated making surge current of capacitor bank |
12.5(The frequency is less than 1000Hz) |
||||
|
12 |
Rated breaking current of single/ symmetrical capacitor bank |
A |
630/400 (The value shoule be 800/400 while the current is 40kA) |
|||
|
13 |
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