12 17.5 24kV Indoor Vacuum Circuit Breakers, GPVN-E Series
Ambient Condition
Ambient temperature: -25℃~+45℃, daily average: ≤35℃
Altitude: 1000m(Standard); can up to 4500m for special ordering;
Relative humidity: daily average ≤95%, monthly average ≤90%;
Earthquake intensity ≤8 degree;
Applicable occasions should be free from inflammables, explosives, corrosives and severe vibration.
Model
GPVN -12Kv/17.5kV Indoor AC High Voltage Vacuum Circuit Breaker
Technical Specifications
No. |
Item |
Unit |
Data |
||||||
1 |
Rated voltage |
kV |
7.2~12(15/17.5) |
||||||
2 |
Rated frequency |
Hz |
50/60 |
||||||
3 |
Rated current |
A |
630,1000,1250 |
1600 |
2000,2500,3150 |
4000 |
|||
4 |
Rated short-circuit breaking current |
kA |
20 |
25 |
31.5 |
31.5 |
40 |
40 |
50 |
5 |
Rated short-circuit making current |
kA |
50 |
63 |
80 |
80 |
100 |
100 |
125 |
6 |
Rated short-time withstand current |
kA |
20 |
25 |
31.5 |
31.5 |
40 |
40 |
50 |
7 |
Rated peak withstand current |
kA |
50 |
63 |
80 |
80 |
100 |
100 |
125 |
8 |
Rated pull-out breaking current |
kA |
12.6 |
12.6 |
16 |
16 |
20 |
||
9 |
Rated out-of-phase earthing fault breaking current |
kA |
17.4 |
21.7 |
27.4 |
27.4 |
34.7 |
34.7 |
43.5 |
10 |
Rated short-circuit breaking current breaking time |
Times |
50 |
30 |
30 |
12 |
|||
11 |
Rated operation sequence |
O-0.3s-CO-180s-CO |
O-180s-CO-180s-CO |
||||||
12 |
Rated breaking current of single capacitor bank |
A |
630 |
||||||
13 |
Rated breaking current of back to back capacitor bank |
A |
400 |
||||||
14 |
1min. Power frequency withstand voltage |
kV |
Phase to phase/ to earth: 42, across open contacts:48 |
||||||
15 |
Lightning impulse withstand voltage |
kV |
Phase to phase/ to earth: 75, across open contacts:85 |
||||||
16 |
Mechanical life |
Times |
20000 |
||||||
17 |
Closing time |
ms |
≤75 |
||||||
18 |
Opening time |
ms |
≤60 |
||||||
19 |
Power storage time under rated voltage |
s |
≤10 |
Outline Dimension of GPVN-12E
GPVN-24□ Indoor AC High Voltage Vacuum Circuit Breaker
Technical Specification
No. |
Item |
Unit |
Data |
|||
1 |
Rated voltage |
kV |
24 |
|||
2 |
Rated frequency |
Hz |
50/60 |
|||
3 |
Rated current |
A |
630 1250 1600 2000 2500 3150 4000 |
|||
4 |
Rated short-circuit breaking current |
kA |
20 |
25 |
31.5 |
31.5 |
5 |
Rated short-circuit making current |
kA |
50 |
63 |
80 |
80 |
6 |
Rated short-circuit withstand current(4s) |
kA |
20 |
25 |
31.5 |
31.5 |
7 |
Rated peak withstand current |
kA |
50 |
63 |
80 |
80 |
8 |
Rated out-of-step breaking current |
kA |
|
|
12.6 |
12.6 |
9 |
Rated breaking current of out-of-phase earth fault |
kA |
17.4 |
21.7 |
27.4 |
27.4 |
10 |
Rated breaking times of short-circuit breaking current |
Times |
50 |
|||
11 |
Rated operating sequence |
|
O-0.3s-CO-180s-CO |
|||
12 |
Rated breaking current of single capacitor bank |
A |
630 |
|||
13 |
Rated breaking current of back-to-back capacitor bank |
A |
400 |
|||
14 |
1min. Power frequency withstand voltage |
kV |
50 |
|||
15 |
Lightning impulse withstand voltage |
kV |
125 |
|||
16 |
Mechanical life |
Times |
20000 |
|||
17 |
Closing time |
ms |
75 |
|||
18 |
Opening time |
ms |
60 |
|||
19 |
Storage time under rated voltage |
s |
10 |