Indoor High Voltage Vacuum Circuit Breaker ZN63(VS1)-12
The use of environmental conditions
1.Ambient temperature: not higher than +40 °C , not less than
-15°C (at -30 °C to allow storage and transportation).
2. Altitude: not exceed 1000m.
3. Relative humidity: daily average of not more than 90%, month
average of not more than 95%.
saturated vapor pressure daily average of not more than 2.2 ×
10-3MPa, month average not more than 1.8 × 10-3MPa.
4. Earthquake intensity: not more than eight.
5. No fire, explosion hazard, serious filthy, chemical corrosion, as
well as places of intense vibration.
Mainly technical parameters
NO |
Item |
Units |
parameters |
1 |
Rated voltage |
KV |
12 |
2 |
Rated Frequency |
HZ |
50 |
3 |
Rated Current |
A |
630.1250.1600.2000.3150 |
4 |
Rated short-circuit breaking current |
KA |
20 25 31.5 |
5 |
Rated short-circuit closing current (peak) |
KA |
50 63 80 |
6 |
Rated short-circuit duration |
S |
4 |
7 |
Rated short-circuit breaking current breaking number |
nos |
50s |
8 |
Rated operating sequence |
|
0-0.3s-CO-180s-CO |
9 |
Rated lightning impulse withstand voltage |
kv |
125 |
10 |
1min power frequency withstand voltage |
KV |
65 |
11 |
Closing time |
ms |
≤ 70 |
12 |
opening time |
ms |
≤ 50 |
13 |
Mechanical life |
Times |
20000 |
14 |
Rated Storage and operation voltage |
V |
AC DC 220/110 |
15 |
Breaking life |
ms |
≤ 80 |
16 |
Storage life |
s |
≤ 10 |
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