本开关柜适用于发电厂、变电站、工矿企业、大楼宾馆、机场、码头等电力用户。作为交流50Hz，额定电压660V及以下。额定电流到4000A的配电系统中，作为动力、照明电动机保护及配电设备的电能转换、分配与控制之用。 GGD开关柜符合IEC439《低压开关设备和控制装置》，GB7251《低压成套开关设备和控制设备》等标准。具有分断能力高、动热稳定性好、结构新颖、合理、电器方案系列性、防护等级高等特点，是换代产品。
This kind of switchgear，with of 50Hz(AC)，rated voltage 660V and below，rated current up t0 4000A，is widely used in power transmission，distribution and controlling net for power distribution，lighting motor protection and power supply in power plants，substations，mining，buildings，hotels，seaports，etc
GGD switchgear complying to“the standard of IEC439 low—voltage switchgear and control gear assemblies”．and the GB7251“low—voltage switchgear and control gear assemblies”，has advantages of excellent breaking capacity，good dynamic stability，newly structure，reasonable and electrical scheme，a serial and applicable design and higher protection degree and is a kind of ideal and renew product．
