
11kv Sf6 Gas Insulated Ring Main Units- IEC298 Standard
11kv SF6 Ring Main Unit Service environment: a) Air temperature: highest temperature: +40℃; lowest temperature: -25℃ b) Humidity: monthly average humidity 95%; daily average humidity 90%. c) Altitude: Maximum installation height: 2500m d) Obviously there is no ambient air polluted by corrosive...
Description
We have won the trust and support of users with high-quality Oil-Immersed Transformers, Low Voltage Switchgear Cabinet, substation transmission line, reasonable prices, timely delivery and excellent after-sales service. With the first-class technical team and scientific management, our company's sales scale is constantly expanding, and our products sell well all over the world. We warmly welcome to establish long-term friendly cooperative relations with like-minded and consistent businessmen to create a better future together! We provide every customer with warm and thoughtful contact, cordial and friendly inquiries, serious and responsible answers. We are willing to uphold the consistent quality standards and years of experience, first-class products and perfect service dedicated to our respected customers. We use advanced technology and scientific standardized program management.
11kv SF6 Ring Main Unit
Service environment:
a) Air temperature: highest temperature: +40℃; lowest temperature: -25℃
b) Humidity: monthly average humidity 95%; daily average humidity 90%.
c) Altitude: Maximum installation height: 2500m
d) Obviously there is no ambient air polluted by corrosive and combustible gases, steam, etc.
e) No frequent violent shaking
Item | C module | F module | V module | |
Load switch | Combined electrical apparatus | Vacuum switch | Isolated/ grounding switch | |
Rated voltage(KV) | 12/24 | 12/24 | 12/24 | 12/24 |
Power frequency withst and voltage(KV) | 42/50 | 42/50 | 42/50 | 42/50 |
Lightning impulse withst and voltage(KV) | 95/125 | 95/125 | 95/125 | 95/125 |
Rated current(A) | 630 to 1250 | 630 to 1250 | 630 to 1250 | |
Closed-loop open circuit current(A) | 630/630 | |||
Cable charging breaking current(A) | 135/135 | |||
5% rated active load breaking current(A) | 31.5 | |||
Earthing fault breaking current(A) | 200/150 | |||
Earthing fault cable charging breaking current(A) | 115/87 | |||
short circuit breaking current | 20/16 | 20/16 | ||
Closing capacity | 63/52.5 | 50/40 | 50/40 | 50/40 |
Short-time withst and current 2s | 25 | |||
Short-time with stand current 3s | 21 | 20/16 | 20/16 | |
Mechanical life(time) | 5000 | 3000 | 5000 | 2000 |

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With the development of the market, our company constantly strive to focus on the 11kv Sf6 Gas Insulated Ring Main Units- IEC298 Standard itself while using modern management. Since its establishment, our company has been customer demand-oriented, we respect talents, constantly improve our own strength and level and improve service level and quality. While building brand strategy, our company has also strengthened the pace of internationalization strategy, looking around the world to meet the challenges of international marketization.
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