GGD AC low voltage distribution cabinet
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GGD AC low-voltage power distribution cabinet is suitable for power conversion, distribution of power, lighting and power distribution equipment in power distribution systems of power plants such as power plants, substations, factories and mines, etc. 50Hz, rated working voltage 380V, rated current up to 3150A. And control.
The product has the characteristics of high breaking capacity, good dynamic thermal stability, flexible electrical scheme, convenient combination, strong seriality, novel structure and high protection level.
GGD AC low-voltage distribution cabinets comply with IEC439 "Low-voltage switchgear and control equipment" and GB7251.1-97 "Low-voltage switchgear" and other standards.
◆The cabinet of GGD AC low-voltage power distribution cabinet adopts the general cabinet form. The frame is assembled by partial welding of 8MF cold-formed steel. The frame parts and special supporting parts are matched by the steel fixed-point production factory to ensure the accuracy and quality of the cabinet. The components of the universal cabinet are designed according to the principle of the module, and have 20-mode mounting holes with high universal factor.
◆ Fully consider the heat dissipation during the operation of the cabinet, there are different numbers of heat dissipation slots at the upper and lower ends of the cabinet.
◆ According to the requirements of modern industrial product design, the golden section ratio method is used to design the shape of the cabinet and the division size of each part, so that the whole cabinet is beautiful and generous.
◆The hinged hinge of the cabinet door is connected with the frame, which is convenient for installation and disassembly. A mountain-edge strip is embedded in the fold of the door. When the door is closed, the insert between the door and the frame has a certain compression stroke, which can prevent the door from directly colliding with the cabinet and also improve the protection level of the door.
◆ The instrument door with electrical components is connected to the frame by a plurality of soft copper wires. The mounting piece and the frame in the cabinet are connected by knurled screws, and the whole cabinet constitutes a complete grounding protection circuit.
◆The top cover of the cabinet can be removed when needed, which is convenient for the assembly and adjustment of the main busbar on the site. The four corners of the cabinet top are equipped with lifting rings for lifting and shipping.
◆The protection level of the cabinet is IP30, and users can choose between IP20-IP40 according to the needs of the environment.
The main technical parameters
◆Rated voltage: 380V
◆Rated current (A): 1000/600 (630) 400
◆ rated short circuit breaking current: 15kA
◆ rated short-time withstand current: 15 (ls) (kA)
◆ rated peak withstand current: 30kA
◆Rated voltage: 380V
◆Rated current (A): 1500 (1600) 1000
◆ rated short circuit breaking current: 30kA
◆ rated short-time withstand current: 30 (ls) (kA)
◆ rated peak withstand current: 63kA
◆Rated voltage: 380V
◆Rated current (A): 3150 (2500) 2000
◆ rated short circuit breaking current: 50kA
◆ rated short-time withstand current: 50 (ls) (kA)
◆ rated peak withstand current: 105kA
Normal use environmental conditions
◆The ambient air temperature is not higher than +40 ° C, not lower than -5 ° C, and its average temperature is not higher than +35 ° C within 24 h.
◆Installation and use indoors, the altitude of the place of use does not exceed 2000 meters.
◆The relative humidity of the surrounding air does not exceed 50% at the maximum temperature +40 °C, and allows a relatively large relative humidity at a lower temperature, for example, 90% at +20 °C. The temperature change should be considered, and condensation may occur by chance. The impact of the dew.
◆The inclination of the equipment when installed is not more than 5°.
◆The equipment is installed in places where there is no severe vibration and shock, and where it is not enough to corrode electrical components.
◆ Users can negotiate with the manufacturer if they have special requirements.
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