Product Name: | ZN12 11KV Vacuum Circuit Breaker | Rated Voltage: | 3.6KV 6.6KV 7.2kV, 12kV, 17.5kV |
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Rated Current: | 400A 630A, 1250A, 1600A, 2000A, 2500A, 3150A, | Frequency: | 50hz/60Hz |
Poles Number: | 3 | Phase: | Three Phase |
Medium: | Vacuum | Standard: | GB, IEC Standard |
Type: | Vacuum Circuit Breaker Indoor | ||
High Light: | 11KV Vacuum Circuit Breaker,3 Phase Vacuum Circuit Breaker,CCC 1600A Vacuum Circuit Breaker |
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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6. Delivery