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XD Baoji Electric Co.,Ltd is one of the leading China 40.5kv gas-insulated switchgear manufacturers and suppliers,Website:http://www.xd-bjelectric.com, as a professional company, our factory is able to produce quality 40.5kV GIS, 40.5kv gas-insulated switchgear products at competitive price. Product Description XGN46-40.5 series C-GIS is three-phase A.C 50Hz indoor complete distributing equipment with the voltage range 40.5kV. It is used for power distribution system, such as power plant, substation, industrial enterprise, urban rail transit and metro to receive and distribute power. Especially suitable for high humidity, condensation, high altitude, and dirty environments. The structure of this C-GIS is metal enclosed, cubical fixed, the gas-filled compartment of the C-GIS is made of stainless steel by way of laser welding. It can be equipped with three-position disconnector and circuit breaker. The wrong operation can be avoided due to its function of the ‘FIVE PROVENTION’. It can meet the standard requirments of IEC62271-200、IEC62271-1、GB3906、GB/T11022 etc. Overall dimension (W×D×H mm)：800（600）×1650×2350.Features of Product Altitude above sea level 3000m and below. Current rating up to 2500 A/31.5kA. Internal arc classified (IAC)：AFLR，31.5kA/1s. Equipped with ZN92－40.5/T series vacuum circuit breaker, with independent intellectual property. The internal barriers are made up of steel plate, and the loss of service continuity category (LSC) can meet the requirments of LSC2B. The gas-filled compartment is made of stainless steel sheet by way of laser welding, test by the helium leak detection, with good seal. Plug-in solid insulation busbar coupler between the cabinets, with simple in switchgear installation and expansion. Internal or external cone cable plug with simple and fast installation. On line monitoring of gas density function. Technical ParametersItem Unit DataRated voltagekV40.5Rated current A1250、2500Rated frequencyHz50Rated short circuit breaking current kA31.5Rated Short-time withstand currentMain circuitkA/4s31.5Earthing switchkA/2s31.5Earthing connect circuitkA/2s27.4Rated peak withstand currentMain circuitkA80Earthing switchkA80Earthing connect circuitkA68.5Degree of protectionEnclosureIP4XGas-filled compartmentIP67Rated insulation levelRated power-frequency withstand voltagekV/1min95Rated lightning impulse withstand voltagekV185IACFault currentkA31.5Durations0.5SF6 gas rated pressure (rel-20℃)MPa0.04SF6 gas alarm pressure (rel-20℃)MPa0.02
