ZN12 11KV Vacuum Circuit Breaker Indoor High Voltage 3 Phase
Brand Name:XG
Certification:ISO CCC
Model Number:ZN12
Minimum Order Quantity:1 SET
Delivery Time:7-15 DAYS
Payment Terms:L/C, T/T, D/A, D/P, Western Union, MoneyGram
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Weibei industrial zone, Lintong district, Shanxi. CHINA
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ZN12 11KV Vacuum Circuit Breaker Indoor High Voltage 3 Phase
1. ZN12-12 Types Vacuum Circuit Breaker
ZN12 11KV Vacuum Circuit Breaker is suitable for power system with 3-phase AC 50HZ, rated voltage 11KV, it can be used as load current, overload current and fault current for mining enterprises, power plant and substation.
2. ZN12-12 Types 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 ZN12-12 Types 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
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ZN12 11KV Vacuum Circuit Breaker Indoor High Voltage 3 Phase
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