GW4-27.5、GW4-35、GW4-40.5、GW4-110、GW4-72.5，GW4-126、gw4-145/HGW4-12、HGW4-15、HGW4-27.5、HGW4-35、HGW4-40.5、HGW4-110、HGW4-72.5GW4-10/400GW4-10/630GW4-10/1000GW4-10/1250 GW4-12/400GW4-12/630GW4-12/1000GW4-12/1250HGW4-10/400HGW4-10/630HGW4-10/1000HGW4-10/1250HGW4-12/400HGW4-12/630HGW4-12/1000HGW4-12/1250GW4-15/400GW4-15/630GW4-15/1000GW4-15/1250HGW4-15/400HGW4-15/630HGW4-15/1000HGW4-15/1250 GW4-35/630GW4-35/1000GW4-35/1250GW4-35/1600GW4-35/2000 GW4-72.5/630GW4-72.5/1000GW4-72.5/1250GW4-72.5/1600GW4-72.5/2000GW4-110/630GW4-110/1000GW4-110/1250GW4-110/1600GW4-110/2000GW4-126/630GW4-126/1000GW4-126/1250GW4-126/1600GW4-126/2000 GW4-145/630GW4-145/1000GW4-145/1250GW4-145/1600GW4-145/2000西安紅光電氣GW4-40.5高壓隔離開關供應呼和浩特系雙柱式三相交流50Hz戶外高壓開關設備，用于電壓10~110KV的電力系統中，供在有電壓無負載時分合電路之用，以及對被檢修的高壓母線、斷路器等電器設備與帶電的高壓線路進行電器隔離之用 內蒙古自治區