Breaking Capacity: | High Voltage Circuit Breakers |
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Operation: | Energy-storage Type |
Speed: | Normal Type Circuit Breaker |
Arc-extinguishing Medium: | Vacuum |
Installation: | Insert |
Structure: | Vcb |
Customization: |
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Summary
VBDc-12 Indoor High Voltage Vacuum Circuit Breaker ( abbr.: circuit breaker) is three-phrase A.C. 50Hz indoor of power supply distribution
equipped with the rated voltage 12 KV. This product is in accordance with GB 1984-2003 high voltage A.C. circuit breaker, JB3855-1996 3.6-4.5kV
indoor A.C. high voltage circuit breaker, DI 403- 2000 technical conditions for ordering of 12-40.5kV high voltage vacuum circuit breaker and IEC
standard 62271-100:2001 high voltage A.C. Circuit breaker. It can be used for protecting and controlling equipment in the grid equipment and
the dynamic design of industrial and mining enterprise .It is suitable for switching load and frequent operation with different property and with the
capability of many times operations of breaking short-circuit current.
Applying ambient conditions
Ambient temperature: -20 C ~+40 C, and the daily average is less than
35C ;
Ambient humidity: the average humidity of a day should be no more than 95%; the average humidity of a month should be no more than 90%;
Saturated vapor pressure: average pressure of a day should be no more than2. 2kPa, the average pressure of a month should be no more than 1.
8kPa;
The height above sea level: less than 2000m;
Earthquake intensity: not exceed 8 degrees;
It should be installed in the places without dust,smoke,corrosive or flammable gases,vapor and salt spray.
Technical datas
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