
China Manufacturer 11kv 630A Ring Main Unit Best Price
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 are committed to create highly efficient, energy-saving and environmentally friendly AC metal-enclosed switchgear, High Voltage Metal-Enclosed Switchgear, compact switchgear since we have a group of our own talents who continue to learn from new equipment and technology. We will continue to stabilize the domestic and overseas markets with high-quality products, manufacture reliable and trustworthy products for customers, and create the greatest value. We are going to establish a bridge of friendship with you in our good quality products and on the basis of eagerness and credibility, in order to create a great future with you.
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 |

Certifications

Package & Shipping

Our China Manufacturer 11kv 630A Ring Main Unit Best Price is known by customers throughout the world as user-friendly products characterized by high performance and extreme durability. We sincerely welcome domestic and foreign customers to call, write to us and make customized samples. All our employees uphold the spirit of dedication, hard work and innovation, the pursuit of excellence and continuous improvement.
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