ZN63-12(VS1-12)indoor high voltage vacuum circuit breaker for switchgear 12Kv
VS1-12 indoor high voltage vacuum circuit breaker applies to power system of rated voltage 12kv as a protective and control unit for power grid equipment and industrial power equipment. It can equip with KYN28(GZS1), XGN, GG-1A and other types of switchgear panels. Related products: isolated handcart, fuse handcart and voltage transformer handcart.
|
No. |
Item |
Unit |
Data |
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|
1 |
Rated voltage |
kV |
12 |
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|
2 |
Rated frequency |
Hz |
50 |
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|
3 |
Rated insulation level |
1min power frequency withstand voltage |
KV |
42 |
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|
Rated lightning impulse withstand voltage |
KV |
75 |
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|
4 |
Rated current |
A |
630 |
1000 |
1250 |
1600 |
2000 |
2500 |
3150 |
4000 |
|
|
5 |
Rated short-circuit breaking current Rated short-time withstand current (virtual value) |
kA |
20 |
20 |
20 |
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|
25 |
25 |
25 |
25 |
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|
31.5 |
31.5 |
31.5 |
31.5 |
31.5 |
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|
40 |
40 |
40 |
40 |
40 |
40 |
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|
50 |
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|
6 |
Rated short circuit making current Dynamic stability rated current |
kA |
50 |
50 |
50 |
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|
63 |
63 |
63 |
63 |
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|
80 |
80 |
80 |
80 |
80 |
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|
100 |
100 |
100 |
100 |
100 |
100 |
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|
125 |
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|
7 |
Rated short-circuit breaking current breaking time |
Times |
(above 40KA) |
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|
8 |
Rated short-circuit duration |
S |
4 |
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|
9 |
Rated operation sequence |
O-0. 3s-CO-180s-CO，O-180s-CO-180s-CO(above 40kA) |
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|
10 |
Mechanical life |
times |
30000 |
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|
11 |
Rated breaking current of single capacitor bank |
A |
630 |
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|
12 |
Rated breaking current of back to back capacitor bank |
A |
400 |
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|
13 |
Maximum D.C componen 5 0 % |
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