Project Name |
Unit |
Product Category |
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Load switch |
Combined electricalswitch |
Breaker |
lsolation switch |
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Rated voltage |
kv |
12 |
12 |
12 |
12 |
Arc extinguishing type |
- |
vacuum |
vacuum |
vacuum |
- |
Rated current |
A |
630 |
125 |
630 |
630 |
Rated frequency |
Hz |
50 |
50 |
50 |
50 |
Main circuit resistance |
μΩ |
≤150 |
Note1 ≤500 |
≤150 |
≤150 |
Imin power frequency withstand voltage is the same, with phase to ground/fracture |
kv |
42/48 |
42/48 |
42/48 |
42/48 |
Same lightning impulse withstand voltage, phase to ground/fracture |
kv |
75/85 |
75/85 |
75/85 |
75/85 |
Rated short-circuit breaking current |
kA |
- |
Note2 315 |
20 |
- |
Rated short-circuit making current |
kA |
50 |
Note2 80 |
50 |
- |
Rated short time withstand current |
kA/s |
20/4 |
- |
20/4 |
- |
Rated peak withstand current |
kA |
50 |
Note2 80 |
50 |
- |
Rated cable charging breaking current |
A |
10 |
- |
- |
- |
5% rated active load breaking current |
A |
315 |
- |
- |
- |
Transfer current |
A |
- |
3150 |
- |
- |
Average closing speed |
m/s |
09±0.2 |
- |
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Average opening speed |
m/s |
13±0.2 |
- |
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Different periods of opening and closing |
m/s |
≤2 |
- |
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Closing time |
m/s |
25~60 |
- |
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Opening time |
ms |
17~45 |
- |
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Closing bounce time |
ms |
≤2 |
- |
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Mechanical life |
次 |
Load switch/circuit breaker: 10000; Isolation and grounding switch: 3000 |
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Protection level |
|
IP67 |
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Partial discharge value |
Pc |
Note2 ≤5 |
Note 1 in the above table: Use conductive rods instead of high-voltage fuses; Note 2: According to the high-voltage fuse; Note 3: All epoxy insulators