
11kv 630A High Medium Voltage Ring Main Unit
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
Our company is a competitive Solid Insulated RMU Switchgear, 10 Kv Electrical Power Transformer, Low Voltage Distribution Dry Transformer supplier that has always maintained a good cooperative relationship with domestic and foreign manufacturers and committed to the agency and distribution of various well-known international brands and other high-end imported materials from the original factory for many years. We enter the market with high-quality products and win customers with high-quality service. We are willing to offer the best quality products and after-sales service for our customers with full enthusiasm. In the spirit of innovation, sincerity, unity, and enterprising. Since the establishment, our company has successfully figured out the market dynamics, adjusted corporate strategies to meet the ever-changing market needs of customers, and established a professional team to provide customers with various solutions.
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

Since we take customers as the center of all our activities, we judge the performance of our 11kv 630A High Medium Voltage Ring Main Unit based on customer satisfaction. Up to now, our company has developed into a mature company based on independent research and technological development and oriented to the market such as accumulation, continuous innovation. Our company in line with the spirit of outstanding professionalism, continue to work with new and old customers hand in hand and create better results.
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