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

MV HXGN-12/630-20 SF6 Insulated Compact Metal-enclosed RMU from Hebei Keneng Electric Co., Ltd.

By: Hebei Keneng Electric Co., Ltd.  08/16/2016
Keywords: Electric Power Distribution

MV HXGN-12/630-20 SF6 Insulated Compact Metal-enclosed RMU - Modularization Design A MV HXGN-12/630-20 SF6 insulated compact metal-enclosed RMU. 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 at electricpowerdistribution dot com, if you have any questions about our products.

Keywords: Electric Power Distribution

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