|Type:||HV Vacuum Circuit Breaker||Rated Voltage:||3.6KV 6.6KV 7.2kV, 12kV, 17.5kV, 24kV, 36kV, 40.5kV|
|Rated Current:||400A 630A, 1250A, 1600A, 2000A, 2500A, 3150A,||Frequency:||50/60Hz|
|Poles Number:||3||Phase:||Three Phase|
|Medium:||Vacuum||Material:||Galvanized Sheet And Accessories|
1250A HV Vacuum Circuit Breaker,
12KV HV Vacuum Circuit Breaker,
12KV 1250A Vacuum Circuit Breaker
12KV 1250A HV Vacuum Circuit Breaker With Vacuum Arcing Chamber
1.Description of HV Vacuum Circuit Breaker
2.Parameter of HV Vacuum Circuit Breaker
|2||Rated insulation voltage||V||42,75|
|4||Rated short-circuit close current(peak value)||KA||20,31.5,40|
|5||Rated operation order||off--0.3s on and off--180S-on and off|
|6||Rated short-circuit Breaking current times||times||30(50),20(30)|
|7||Rated Impulse withstand voltage||KA||50,80,100|
|8||4S Heat steady e.c.A||20,31.5,40|
|9||all opened and broke time||ms||≤100|
|11||cumulated thickness of the moving and stationary contact||mm||3|
|12||Oil buffer buffers the journey||mm||10|
Relative humidity: daily average ≤95% , monthly average ≤90% ;
Earthquake intensity: 8 degree;
Ambient temperature: -25°C ~+40°C ;
It should work in occasions without flammable and explosive matter, without corrosive chemical and frequent severe vibration.
5. Prodcution line
6. After service
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