双电源自动切换开关 启鸿电气供应: GLD2-63A/3 GLD2-80A/3 GLD2-100A/3 GLD2-160A/3 GLD2-200A/3 GLD2-250/3 GLD2-400A/3 GLD2-630/3 GLD2-1000A/3 GLD2-1250A/3 GLD2-1600A/3 GLD2-2500A/3 GLD2-3200A/3 GLD2-63A/4 GLD2-80A/4GLD2-100A/4 GLD2-160A/4GLD2-200A/4 GLD2-250A/4 GLD2-400A/4 GLD2-630/4 GLD2-1000A/4 GLD2-1250A/4GLD2-1600A/4 GLD2-2500A/4GLD2-3200A/4 以上均可配 智能液晶控制器(操作面板)