Ggd Distribution Box Dimensions and Circuits

GGD distribution boxes are standardized low-voltage switchgear cabinets with rated voltages up to 380V, rated currents up to 3150A, and flexible circuit configurations for industrial power distribution.OverviewGGD cabinets are fixed-type low-voltage switchgear assemblies designed for AC 50Hz/60Hz systems, typically with a rated voltage of 380–415V and rated currents up to 3150A . They serve three main purposes: incoming power control, feeder distribution, and system protection against overloads and short circuits . These cabinets are widely used in power plants, substations, industrial enterprises, and workshops for power conversion, distribution, and control .Dimensions and StructureFrame and Material: Constructed from high-strength steel sheets with C-profile assembly for rigidity and load-bearing capacity .Mounting: Frames include mounting holes spaced at 25mm and 100mm for versatile component installation .Protection Level: Typically IP3X, ensuring safety against dust and accidental contact .Ventilation: Equipped with upper and lower ventilation slots for natural heat dissipation .Cable Compartment: Spacious internal layout allows convenient wiring and maintenance . Exact dimensions vary by manufacturer and configuration, but standard GGD cabinets are modular and can be customized to fit specific site requirements .Circuit ConfigurationMain Circuit Breakers (MCCBs/ACBs): Handle incoming and outgoing currents, providing overcurrent and short-circuit protection .Copper Busbars: High-conductivity, color-coded busbars form the internal power distribution network .Circuit Schemes: GGD cabinets offer 129 main circuit schemes with 298 specifications, accommodating various industrial needs .Auxiliary Components: Can include contactors, thermal relays, fuses, operation buttons, and indicators for control and monitoring .Rated Current Capacity: Suitable for distribution transformers up to 2000kVA, with main busbars capable of withstanding 50kA effective and 105kA peak currents .Standards ComplianceGGD cabinets comply with IEC 439 and GB 7251 standards for low-voltage switchgear and controlgear assemblies, ensuring safety, reliability, and compatibility with industrial electrical systems .SummaryGGD distribution boxes are robust, modular, and highly versatile, offering flexible circuit configurations, high short-circuit resistance, and reliable thermal management. They are ideal for industrial and commercial power distribution applications, with customizable dimensions and internal layouts to meet specific operational requirements .