Having high technical performance indicators can adapt to the development needs of the electricity market and compete with existing imported products. The new low-voltage withdrawable switchgear designed based on the principles of safety, economy, rationality, and reliability also has the characteristics of high breaking and making capacity, good dynamic and thermal stability, flexible electrical scheme combination, convenient series, strong practicality, novel structure, and high protection level.
GCS cabinets can only be used as single-sided operation cabinets, while drawer cabinets can be used as double-sided operation cabinets, with a maximum capacity of 6300A units. The difference between mns drawer cabinets and GCs cabinets is mainly reflected in their different origins, drawer structures, and installed modules.
The GCS cabinet has the following seven characteristics:
The frame is made of 8MF type open steel, and modules E=20mm and 100mm are installed on the main frame Φ The 9.2mm installation hole makes frame assembly flexible and convenient.
The functional rooms of the switchgear are isolated from each other, and their compartments are divided into functional unit rooms, busbar rooms, and cable rooms. The functions of each compartment are relatively independent.
The horizontal busbar is arranged horizontally behind the cabinet to enhance its resistance to electrical forces, which is a basic measure to ensure that the main circuit has high short-circuit strengthThe design of the cable compartment makes it very convenient for cables to enter and exit both up and down.
The modulus of drawer height is 160mm. The drawer changes only in height dimensions, and its width and depth dimensions remain unchanged. Drawers with the same functional unit have good interchangeability. The rated current of the unit circuit is 400A and below.
The drawer panel has clear markings for positions such as opening and closing tests and withdrawal. The drawer unit is equipped with a mechanical interlocking device. 1 drawer unit as the main body, with both withdrawable and fixed features, which can be mixed and combined for any use.
The protection level of the 7 cabinets is IP30IP40, and can also be selected according to user needs.
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