GN2型户内三相高压隔离开关由底座、支柱瓷绝缘子、操作瓷绝缘子和导电部分组成。其中：GN2-35/630-Ⅰ、Ⅱ；1250-Ⅰ、Ⅱ型户内三相高压隔离开关由底座、支柱瓷绝缘子、瓷套、操作瓷绝缘子和导电部分组成。基本参数型号产品代号额定电压kv***高工作电压KV额定电流A动稳定电流KA（峰值）热稳定电流KA（有效值）重量kg10s6sGN2-10/200071511011.52000803679GN2-10/300071521011.5300010050157GN2-20/40071552023400501071GN2-35/40071573540.54005010104GN2-35/400（全工况）714023540.54005010114GN2-35/63071583540.56305014110GN2-35/630（全工况）714033540.56305014119GN2-35/200071643540.520008536195GN2-35/2000（全工况）714043540.520008535206GN2-35/630-Ⅰ71953540.56304016212GN2-35/630-Ⅱ71963540.56304016212GN2-35/1250-Ⅰ71973540.512507025231GN2-35/1250-Ⅱ71983540.512507025231外型及安装尺寸型号产品代号主要尺寸（mm）LL1HhAA1A1BGN2-10/200071511150160582327910350150316GN2-10/300071521240160655360966350150480GN2-20/40071551150250800450908350120450GN2-35/400715715303809505201100450170635GN2-35/630715815303809605351100450170635户内隔离开关GN2系列一、用途：：GN2系列户内交流高压隔离开关,系三相交流50Hz的高压开关设备。用于电压10～35kV的电力系统中，作为有电压无负载的情况下分、合电路之用。该开关配用CS6-2型手动操作机构或CX6电动机构。注：GN2-27.5型户内隔离开关配用CJ8型电动操动机构，主要用于电气化铁路，资料另外提供。二、主要技术参数：型号额定电压/kV额定电流/A动稳定电流（峰值）/kV热稳定电流（有效值）/kA10s6sGN2-12/20001220008036GN2-12/300012300010050GN2-20/400204005010GN2-40.5/40040.5400502010GN2-40.5/400(全工况)40.54005010GN2-40.5/63040.5630502014GN2-40.5/630(全工况)40.56305014GN2-40.5/200040.510008031.520008536GN2-40.5/2000(全工况)40.520008536GN2-40.5/630-Ⅰ40.56304016GN2-40.5/630-Ⅱ40.56304016GN2-40.5/1250-Ⅰ40.512507025GN2-40.5/1250-Ⅱ40.512507025三、结构简介：该隔离开关为三相联动式，由底架、转轴及联动板、支柱绝缘子、导电闸刀几静触头等部分组成。转轴装在底架上，轴上焊有联动板，通过拉杆绝缘子与闸刀相连。转轴两端伸出底架，其任何一端均可与操动机构相连进行分、合闸。本系列隔离开关可以水平、垂直或倾斜安装。)