GGD AC low-voltage distribution cabinet (hereinafter referred to as "distribution cabinet") for power plants, substations, industrial enterprises and other power users as AC 50Hz, rated working voltage 380V, rated current up to 4000A in the distribution system, as power , lighting and power distribution equipment power conversion, distribution and control purposes. Energy distribution cabinet is based on the requirements of the competent authorities, the majority of electricity users and design department, in a safe, economical, reasonable and reliable principles and design of the new low-voltage distribution cabinet, the product has segmented capacity, dynamic thermal stability well, the new structure, reasonable, realistic electrical program, series resistance, applicability, high degree of protection, and can be used as replacement products. Distribution cabinet is designed to meet IEC60439-1 "Low-voltage switchgear and control equipment" and GB7251.1 "Low-voltage switchgear and control equipment" and other standards.