The GGD AC low-voltage distribution cabinet is suitable for power distribution systems with AC 50Hz, rated voltage of 380V, and rated current up to 3150A. It is used by power plants, substations, and industrial enterprises for the conversion, distribution, and control of electric energy for power. GGD type is used in the distribution of low voltage power in different power plants, mining enterprises, and transformer substations. 1 Low-Voltage Switchgear and Controlgear - Part 1: General Rules. It is a cost-effective solution specifically tailored for power.