|Product Name:||ZN12 11KV Vacuum Circuit Breaker||Rated Voltage:||3.6KV 6.6KV 7.2kV, 12kV, 17.5kV|
|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|
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
|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
4. Photo and drawing