
11kv Indoor Air Insulation Switchgear 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
We're also concentrating on improving the things administration and QC program to ensure we could maintain terrific gain from the fiercely-competitive company for 10kV SF6 switchgear substation, 3-Phase distribution transformer, Prefabricated Combined Substation. In the future, our company will continue to develop new products and, as always, pursue the principle of 'pursuing quality, credit first' and wholeheartedly serving new and old customers. We are committed to shaping a positive and active image, cultivating a professional team, developing high-quality products, providing first-class services, constantly pursuing and surpassing, and being the leader and flag of the industry. We will continue to work hand in hand on the road to building a company culture and create a superior environment based on trust, respect and integrity for our employees. Since the factory founded, we have committed to the development of new products.
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

We continue to strengthen the construction of the technological innovation system to ensure the quality and credibility of our 11kv Indoor Air Insulation Switchgear Ring Main Unit, always taking the requirements of customers at heart to provide them with reliable, high-quality and inexpensive products and services. On the one hand, high-efficiency product development can bring significant economic benefits to enterprises. We have world-level advanced production equipment and design first-class production lines.
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