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Production Introduction VEGM-12聽Vacuum Circuit Breaker is an聽Independent research and development product by聽Shannxi Huadian Electric Co.,LTD.聽Nationally renowned and used all over the country.聽 VEGM-12 Vacuum Circuit Breaker can be customized according to customer needs. The shell are able to be divided in to iron and stainless steel锛宼he installation methods are fixed and handcart. The mainstream product models include:聽 VEGM-12/630-20,VEGM-12/630-25,VEGM-12/630-31.5 VEGM-12/1250-20,VEGM-12/1250-25,VEGM-12/1250-31.5 VEGM-12/1600-20,VEGM-12/1600-25,VEGM-12/1600-31.5 VEGM-12/2000-20,VEGM-12/2000-25,VEGM-12/2000-31.5 VEGM-12/2500-20,VEGM-12/2500-25,VEGM-12/2500-31.5 About the advantages,VEGM-12聽Vacuum Circuit Breaker adopts an integrated solid-sealed pole, which is maintenance-free.VEGM-12 Vacuum Circuit Breaker is suitable for reclosing operation and has extremely high operational reliability and service life,聽it is a reliable product.聽Because of the special advantages of VEGM-12 Vacuum Circuit Breakers, it is especially suitable for places with frequent operations. VEGM-12 Vacuum Circuit Breakers can not only used by it self, and can also be used for KYN28a-12 high voltage switchgear, ring network power supply, box-type transformers or various non-standard power supply systems. Longer service life under ambient conditions锛?/p> a) Ambient temperature:Maximum temperature: +40潞C, and the average value measured within 24h does not exceed 35掳C Minimum temperature: -20潞C b) Relative humidity: daily average relative humidity: 鈮?5%, monthly average relative humidity: 鈮?0% Daily average vapor pressure: 鈮?.2 kPa, monthly average vapor pressure: 鈮?.8 kPa c) Altitude: no more than 2000m d) Earthquake intensity: no more than 8 degrees e) The surrounding air is not appreciably polluted by dust, smoke, corrosive or flammable gases, vapors and salt mist. Specification No.ItemUnitData 1Rated VoltageKv12 2Maximun Working VoltageKv12 3Rated CurrentA630-12501600-20003150-4000 4Rated short Circuit Breaking CurrentKa202540 5Rated short Circuit Switching CurrentKa5063100 6Rated Peak Withstand CurrentKa5063100 74S Rated Short-circuit Withstand CurrentKa202540 8.aRared Insulation Level: 1min Power Freauency Withstand VoltageKv42 8.bRared Insulation Level锛欼mpulse Withstand VoltageKv75 9Rated Operating SequenceSO-0.3S-CO-180S-CO 10Mechaical LifeTimes10000 11Rated Short-circuit Current Breaking TimesTimes50 12Rated Operating Mechanism Closing VoltageVAC/DC聽 聽 聽 聽 聽 聽110/220 13Rated Operating Mechanism Opening VoltageVAC/DC聽 聽 聽 聽 聽 聽110/220 14Contact Opening Distancemm9 + 1 15Overtravel(The Length of Contact Spring Compression)mm3.5 + 0.5 16Synchronicity of Opening and Closing of Three-phase Contactms鈮? 17Contact Closing Bounce Timems鈮? 18Average Opening Speedm/s0.9-1.3 19Average Closing Speedm/s0.5-0.8 20.aTripping Time on Maximum Oprating Voltages鈮?.05 20.bTripping Time on Minimum Oprating Voltages鈮?.08 21Closing times0.1 22The Main Circuit Resistance of Each Phase 630鈮?0聽 聽 1250鈮?5聽 聽 聽1600鈮?0 23Allowed Consumpted Thinckness of Contactsmm3 Prodection details VEGM-12 Vacuum Circuit Breaker Dimension Installation size (Unit:mm) Company ProfileShannxiHuaDian Electric Co.,LTD. Located in Baoji high-tech development zone,Shanxi province. A modern high-tech enterprise specializing in the production of Vacuum Circuit Breakers interating,manufacturing and sales. The company has passed iso9001: 2000 quality system certification, management innovation, total quality management (tqm), enterprise resource planning system (erp), product data management system (pdm), computer integrated manufacturing system (cim)锛宎nd collaborative office system (oa) . The products have been widely used in power plants, metallurgy, petrochemical, railway, mining, radio and television, urban construction and rural network transformation projects, and are highly praised and favored by users with high颅 quality products and excellent services.聽 Production Workshop Prodect qualification CertificationsChina 10kv-20kv Vacuum Circuit Breaker suppliers website:http://www.hdswitchgear.com/high-voltage-indoor-vacuum-circuit-breaker/10kv-vacuum-circuit-breaker/