Name & Type

MV HXGN-12/630-20 SF6 Insulated Compact Metal-enclosed RMU

in Other Switches, Type: sell

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  • MV HXGN-12/630-20 SF6 Insulated Compact Metal-enclosed RMU
  • sales at Hebei Keneng Electric C...
    China
  • Hebei Keneng Electric Co., Ltd. is the professional manufacturer of power distribution systems in China. We not only manufacture electric equipment, such as switchgears, power transformers, prefabricated […]

Details
 Country Of Origin: China
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Description

MV HXGN-12/630-20 SF6 Insulated Compact Metal-enclosed RMU - Modularization Design

MV HXGN-12/630-20 SF6 insulated compact metal-enclosed RMU is widely used because of reliable performance, excellent durability and maintenance free.
MV HXGN-12/630-20 SF6 insulated compact metal-enclosed RMU is designed of modularization. It not only meets the requirements of end-users and network node, but it also can satisfy the needs of various distribution switching stations, box transformer substations and cable branch boxes. It features compact structure, reliable performance, excellent durability and maintenance free. MV HXGN-12/630-20 SF6 insulated compact metal-enclosed RMU contains a 304 stainless steel box, and all primary electriferous parts and switches can be included in the box, so it is a complete closed system. The protection degree is IP67.

Normal working conditions:

Temperature range: -40 °C to +40 °C.
Average relative humidity: daily: ≤ 95%, monthly: ≤ 90%.
Altitude: ≤ 2000 m.
Seismic intensity: ≤ 8 degree.
Workplaces should be free of water, fire, explosion, chemical corrosion and severe vibration.
Note: if the actual working conditions are beyond normal working conditions, contact with manufacturers in time.

Standard:

GB/T11022-1999.
GB3906-2006.
GB1985-2004.
GB16926-1997.
GB3804-2004.
GB1984-2003.
GB3309-89.
Technical parameters (1)
Items C module F module V module CB module
Load switch Composite apparatus Vacuum switch Disconnecting/earthing switch Vacuum circuit breaker Disconnecting/earthing switch
Rated voltage (kV) 12 12 12 12 12 12
Power frequency withstand voltage phase-phase/across open contacts (kV) 42/48 42/48 42/48 42/48 42/48 42/48
Lightning impulse withstand voltage phase-phase/across open contacts (kV) 75/85 75/85 75/85 75/85 75/85 75/85
Rated current (A) 630 125 630 - 1250 -
Closed loop breaking current (A) 630 - - - - -
Cable charging breaking current (A) 10 - - - - -
Rated active load breaking current (A) 630 - - - -
Short-circuit breaking current (kA) - 31.5 20 - 25 -
Making capability (kA) 50 80 50 50 63 63
Short-time withstand current (4 s) (kA) 20 - 20 20 (2 s) 25 25
Rated transfer current (kA) - 1700 - - - -
Mechanical life (Times) 2000 10000 10000 2000 10000 5000
Technical parameters (2)
Items Parameters
SF6 pressure (relative pressure) 0.4 bar (20 °C)
Yearly leakage rate (%) ≤ 0.1
Protection degree SF6 air chamber IP67
Fuse cartridge IP67
Switchgear shell IP3X
Bus-bar in switchgear 400 mm2Cu
Earthing bus-bar in switchgear 150 mm2Cu
Air chamber stainless steel shell thickness 3 mm

You can contact us via sales@electricpowerdistribution.com,  if you have any questions about  our products.

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