Сборка низковольтного распределительного устройства GGD

GGD
GGD type AC low-voltage distribution cabinet is a new type of fixed low-voltage switchgear, which has the characteristics of high breaking capacity, good dynamic and thermal stability, reasonable structure, complete electrical scheme, strong series and applicability.
The product complies with standards such as IEC 61439 “Assembly of low voltage switchgear and control gear” and GB/T 7251 “Low voltage switchgear and control gear”.

Product Advantages
The framework adopts a structural form of 2mm thick C-shaped skeleton+2.5mm thick G-shaped crossbeam, or locally welded and assembled with 8MF cold-formed steel. Its rigidity and load-bearing capacity meet the installation requirements of electrical components.
When designing the cabinet, the issue of heat dissipation during operation is fully considered, and there are different numbers of heat dissipation holes on both ends of the cabinet.
The cabinet body is designed according to the requirements of modern industrial product styling, using the golden ratio method to design the appearance and dimensions of each part of the cabinet body, making the whole cabinet beautiful and elegant.
The cabinet is connected to the frame with high-strength galvanized hinges, making installation and disassembly easy.
The front of the cabinet adopts a high-strength whole door structure, and the back adopts a symmetrical double door structure. It not only solves the problem of direct electric shock protection, but also improves the overall appearance and strength, and facilitates the formation of standardized production modes in manufacturing plants.
The instrument door equipped with electrical components is connected to the frame with multiple strands of soft copper wire. The installation components inside the cabinet are connected to the frame with grounding screws, forming a complete grounding protection circuit.
Application Scenarios
This product can be applied to power users such as power plants, substations, and mining enterprises. It is used in distribution systems with AC 50/60Hz, rated working voltage of 380V, and rated working current up to 6300A. It is used for power conversion, distribution, and control of power, lighting, and distribution equipment.
Technical Specifications

Parameter name	Unit	Parameter value
Rated voltage Ue	V	400/690
Rated insulation voltage Ui	V	690/1000
Rated current InA	A	Maximum up to 6300
Rated frequency	Hz	50/60
Rated impulse withstand voltage	KV	12
Rated short-time withstand current (lcw)	KA	Up to 100
Protection level	–	IP20～IP40

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