11kV Totally Enclosed Ring Main Unit (RMU)

  • 11kV Totally Enclosed Ring Main Unit (RMU)
Ключові атрибути
Бренд ROCKWILL
Номер моделі 11kV Totally Enclosed Ring Main Unit (RMU)
Номінальне напруга 11kV
Номінальна частота 50Hz
Серія RMR
Описи продуктів від постачальника
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Product Description

We always aim at honesty, truth-seeking, pragmatism, and a strong brand to promote the healthy and rapid development of the Single phase immersion oil transformer, electrical switchgears, Compact Prefabricated Substation industry and are committed to providing customers with high-quality products and first-class services. We sincerely hope to establish a long-term cooperation in the future. Our company's innovative business philosophy has the advantage of integrating resources, advancing with the times, serving the enterprise, and contributing to the society. Our company has advanced processing equipment and first-class testing instruments to ensure reliable quality of the product.

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

Product Parameters

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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