| Breaking Capacity: | High Voltage Circuit Breakers |
|---|---|
| Operation: | Electric Type |
| Speed: | High-Speed Circuit Breaker |
| Arc-extinguishing Medium: | Vacuum |
| Installation: | Fixed |
| Structure: | ACB |
| Samples: |
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| Customization: |
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Indoor high voltage vacuum circuit breaker
Description:
*VS1-12 indoor high voltage vacuum circuit breaker is the indoor switchgear of three-phase.
*AC power system with rated voltage of 50Hz and 12kV.
*It is used as the protection and control unit of power grid equipment andpower equipment of industrial and mining industry.
*Suitable for frequent operation under rated working current, or more switching short circuit current.
*Circuit breaker adopts vibration mechanism and circuit breaker body integrated design.
*It can be used as a fixed installation unit, or equipped with a special propulsion mechanism to form a hand car unit.
| name | unit | data | ||||||
| nominal voltage | KV | 12 | ||||||
| rated frequency | Hz | 50 | ||||||
| Rated insulation level | Voltage withstand 1min power frequency | kA | max/alternate with 42/48 | |||||
| Lightning shock voltage (peak) | kA | max/alternate with 75/85 | ||||||
| Rated short circuit breaking current | kA | 20 | 25 | 31.5 40 \ |
40 | |||
| rated current | A | 630 | 630 | 1250 | 1600 | 1250 | 1600 | |
| A | 1250 | 1250 | 2000 | 2500 | 2000 | 2500 | ||
| Rated short-time tolerable current (effective value) | kA | 20 | 25 | 31.5 | 40 | |||
| Rated peak tolerable current (peak) | kA | 50 | 63 | 80 | 100 | |||
| Rated short circuit closing current (peak) | 50 | 63 | 80 | 100 | ||||
| Rated short circuit current duration | S | 4 | ||||||
| mechanical life | next | 20000 | ||||||
| Power frequency withstand voltage of secondary circuit (1min) | V | 2000 | ||||||
| Rated sequence of operation | minute -1- Or points -t1- Or points | |||||||
* Air temperature;Cap + 40 ºC.Lower limit - 15 ºC;
* Altitude;≤ 1000m (if need to increase the altitude, then rated insulationImprove accordingly);
* Earthquake intensity;Not more than 8 degrees;
* Installation place: no fire, explosion danger, serious pollution, chemical decay of violent vibration place.
Zhejiang ZheGui Electric Co., Ltd established in 2013. We are located in Zhejiang with convenient transportation access and developed electrical market. We are group of private enterprises that hold the production license issued by the former ministry of energy and ministry mechanical and electrical engineering.
The company has nearly 60 million fixed assets and more than 60 employees, covering 23133 square meters. We are specialized in R&D production of complete swtichgear of high and low voltage equipment such as prefabricated substation, distribution cabinet/box, drawer cabinet, ring network cabinet, inflatable cabinet, etc.
We owns three CNC bending machine, CNC shearing machine, CNC laser cutting machine and a series of advanced production equipment to further optimized the product structure and improve the efficiency of production. After nearly 7 years of development, it has passed ISO 9001-2000 quality system certification. All items produced by our own factory, so our advantages are: reliable quality and reasonable price. Gather world's energy to delight your business. Its honorable for Zhegui to share your progress, brilliance and success!
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