High voltage cabinet XGN66-12

High voltage cabinet XGN66-121.SummaryThe XGN66-12 (GGX2-10) molded high-voltage vacuum switchgear is a new product jointly designed and developed by the Ministry of Mechanical Industry and the Ministry of Electric Power Industry to replace the GG-1A type high-voltage switchgear. This switchgear complies with IEC298 international standards and GB3906-91 national standards, and features reliable "five-proof locking functions." It can be equipped with vacuum circuit breakers of models ZN21, VS¹, ZN66, ZN28, or other types, offering strong compatibility, an elegant appearance, and easy maintenance, making it a superior distribution device.Note: According to the "High Voltage Switchgear Model Compilation Method" and GB/T2900.20-94 "Electrical Terminology for High voltage switchgear", the original product model "GG×2-10" is changed to XGN66-12", the technical parameters and performance of the two are exactly the same.2. Features of new products● Use vacuum circuit breaker as the main switch, less maintenance, no pollution, high life.● reinforced insulation.The air electrical gap is greater than or equal to 125mm, the creepage distance of porcelain insulators is greater than or equal to 210mm, and the creepage distance of resin insulators is greater than or equal to 230mm. The short-term condensation on the insulation surface does not affect its insulation level.● The live body is enclosed in the metal shell, and the main busbar between cabinets is supported by insulating bushings and used as inter-cabinet shielding.● Safe and reliable operation, easy maintenance.3. Basic skeleton sizeRated currentHigh (m m)Width (m m)Deep (m m)Below 1250A275010001200Below 3150A2750120012004. Purpose and scope of useThis product is suitable for three-phase AC power grid with rated voltage 3~10KV and frequency 50Hz. It is a complete set of distribution equipment for receiving and distributing electric energy and controlling, monitoring and protecting circuits.Environmental conditions used:a. Indoor air temperature +40℃~-15℃;b. The altitude does not exceed 1000m;c. The daily average air humidity (relative humidity) is not greater than 95%, and the monthly average is not greater than 90%;d. There is no flammable, explosive and chemical corrosive gas, no serious pollution, no violent vibration.5. Technical dataorder numberParameter nameonePositionparameter values1rated voltageKV36102maximum voltageKV3.67.2123rated frequencyHz504specifiedinsulationhorizontal1 minute power frequency withstand voltageRelative, identicalKV243242Between the breaksKV263648Full wave impact pressure resistanceRelative, interstitialKV406075Between the breaksKV4366855rated currentA630 1250 2500 31506Rated breaking currentKA20 31.5 407Rated operating cycleMinus 0.3S plus minus 180S plus minus8Rated dynamic stability current (peak)KA50 80 1009Rated thermal stability currentKA20 31.5 4010Rated thermal stability timeS4

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