45KV 1600A 2000A Indoor Vacuum Circuit Breaker IEC Standard
45KV 1600A 2000A Indoor Vacuum Circuit Breaker IEC Standard
1. Indoor Vacuum Circuit Breaker
1. Small contact distance
2. Short arcing time
3. After the arc is extinguished, the recovery speed of the contact gap medium is fast and good.
4. Low noise, suitable for frequent operation.
5. Small size and lightweight.
2. Indoor Vacuum Circuit Breaker Parameter list
| no. | item | unit | data | ||||
| 1 | 2 | 3 | 4 | 5 | |||
| 1 | rated voltage | kv | 12 | 12 | 12 | 40.5 | 40.5 |
| 2 | rated current | A | 1250 | 1600 | 2000 | 1600 | 2000 |
| 3 | rated short circuit breaking current | KA | 31.5 | 31.5 | 31.5 | 25 | 31.5 |
| 4 | Dynamic and stable current (peak) | KA | 100 | 100 | 100 | 80 | 100 |
| 5 | Thermal stability of 4 s current 50 ka (3 s) | KA | 31.5 | 31.5 | 31.5 | 25 | 25 |
| 6 | The rated short circuit close current (peak value) | KA | 100 | 100 | 100 | 80 | 80 |
| 7 | Rated short circuit breaking current times | TIME | 50 | 30 | |||
3. Applicate of Indoor Vacuum Circuit Breaker
No fire, explosion hazard, serious filthy, chemical corrosion, as well as places of intense vibration.
Relative humidity: daily average of not more than 95%, month average of not more than 90%.
Altitude: not exceed 1000m.
Earthquake intensity: not more than ten.
Ambient temperature: not higher than +40 °C, not less than -15°C
4. Photo and drawing
5. Factory
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