
Ring Main Unit (RMU)
Electrical gas insulated ring main unit control switchgear panel Cabinet-type fixed metal-enclosed switchgear (referred to as ring main unit/RMU) is used in AC 50/60Hz 11KV power grid, as a kind of open/close load and short circuit, open/close short circuit current. It has manual and electric...
Description
If you have any questions about our Power Switchgear, insulated ring main unit switchgear, Solid Insulated Switchboard, please let me know, and we will reply to you in a satisfactory manner. Our company integrates advanced technology and raw material resources and focuses on product application technology research. Our factory implements the principles of unity, pragmatism, progress, integrity, harmony and development. After years of professional management, we have successfully built a multi-level marketing network.
Electrical gas insulated ring main unit control switchgear panel
Cabinet-type fixed metal-enclosed switchgear (referred to as ring main unit/RMU) is used in AC 50/60Hz 11KV power grid, as a kind of open/close load and short circuit, open/close short circuit current. It has manual and electric spring structure to operate the loading switch. The loading switch and isolation switch are controlled by the manual. The switch cabinet complies with IEC62271-200 and IEC62271-100 ETC standards.
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 |

Advantage:
1. The switchgear is a metal-enclosed structure. It complies with the national standard GB3906 and the international standard IEC298, and the protection level is IP2X. The metal enclosed structure can effectively prevent intruders from causing short circuits.
2. When the air insulation distance between poles or poles and the ground is ≤125mm, porcelain support insulators (≥8000N) should be used. All of these ensure higher insulation strength and stability.
3. The circuit breaker, the upper and lower insulation switches, the grounding switch and the interlocking mechanism between the doors all adopt forced mechanical locking methods to meet the requirements of "five preventions".

Certificate:

Our Service:
We supply what customers need and provide the best service for them.In addition,honesty is also our basic company value as well.
We are always at your service,any question please feel free to contact us.
FAQ:
(1). How to order?
A: Send the inquiry with your technical data or tell me your application. We can make recommendation.
(2). What is lead time and shipment?
A: Shipment term can be FOB, CIF, CIP. Lead time of products is 3-10 days, if special need, L/T is discussed case by case.
(3).How to pay?
A: By T/T, L/C, western union.
After continuous technological innovation, process reform, equipment update and the improvement of the quality of all employees, our factory has laid a solid foundation for the production of high-quality products, providing users with stable performance and reliable quality of Ring Main Unit (RMU). Under the leadership of the leadership style of 'seeking truth from facts, diligent and down-to-earth' of leaders and teams, our company inherits the basic policy of 'honesty and diligence'. We also provide OEM service that caters to your specific needs and requirements.
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