KYN28A-12 type indoor metal armor withdraw switch equipment

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KYN28A-12 type indoor metal armor withdraw control cabinet equipment 1. Character KYN28A-12 type indoor metal armor withdraw switch equipment (mentioned as switch equipment in the following) is a series power distribution equipment of 3.6-12KV, three phase current 50Hz, single generatrix and single generatrix segmented system. Mainly used in the power plant, small and middle generator to delivery current, industry and mining enterprise distribute current, the second substation of the electric utility industry to receive power, delivery current and to start the large size high tension electromotor. It can be used as control protection and monitoring. The switch equipment meets the IEC298, GB3906-91 standards, besides can be used with the assorted national produced VS1, VSm vacuum circuit breaker, it can also be used with the VD4 of ABB company, 3AH5 of SIEMENS, and national produced ZN65A vacuum circuit breakers. It is surely a wonderful distribution equipments. To meet the requirements of installing beside the wall and convenient maintain, the switch equipment used a special current transformer, thus the operator can maintain and text the equipment without having to move it. 2. Table 2, switch equipment technique parameter Item Unit Data Rated voltage KV 3,6,10 highest working voltage KV 3.6,7.2,12 Rated insulation level power frequency endurable voltage(1min) KV 42 Thunder lighting attack endurable voltage 75 rated frequency Hz 50 main generatrix rated current A 630,1250,1600,2000,2500,3150,4000 Branch generatrix rated current A 630,1250,1600,2000,2500,3150,4000 3s thermal stability current (virtual value) KA 16,20,25,31.5,40,50 Rated dynamic stable current (peak value)* 40,50,63,80,100,125 Grade of Protection Casing is IP4X,between the compartment and when the circuit breaker door open it is IP2X Notes: * the short-circuit capacity of the current transformer shouldbe considered separately.

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Tianjin Shengshizhuoda Electric Co., Ltd.

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