LDG-12 固体绝缘环网开关设备是一种全绝缘、全密封、免维护的固体绝缘真空开关设备。该环网柜具有结构简单、操作灵活、联锁可靠、安装方便等特点，适用于 50Hz，12kV 的电力系统，广
泛应用于工业及民用电缆环网及配网终端工程，作为电能的接受和分配之用，特别适用于城市居民区配电、小型变电站、开闭所、电缆分支箱、箱式变电站、工矿企业、商场、机场、地铁、风力发电、
医院、体育场、铁路、隧道等场所使用。
        LDG-12 Solid Insulation Ring Main Unit (RMU) is a fully insulated, fully sealed and maintenance-free solid insulation vacuum switchgear.
        Featuring simple structure, fl exible operation, reliable interlocking and convenient installation, this ring main unit is suitable for 50 Hz, 12 kV power systems.
        It is widely used in industrial and civil cable ring networks and distribution terminal projects for power reception and distribution.

        It is especially suitable for urban residential power distribution, small substations, switching stations, cable branch boxes, box-type substations, industrial and mining enterprises, shopping malls, airport s, subways, wind power generation, hospitals, stadiums, railways, tunnels and other applications.