From the use of high-voltage switchgear, it can be divided into fixed type and movable type. Previously, the auxiliary power system of power plants used to use removable switchgear, while the power supply system used more fixed cabinets. With the progress of science and technology and the continuous development of new products, many idioms are also changing. For example, metal armored movable switch cabinet is developed on the basis of fixed switch cabinet. The metal armored movable switch cabinet is a fully enclosed structure, with each functional compartment separated from each other. The normal operation performance and anti misoperation function are perfect and reasonable, and the maintenance is convenient. The safety and reliability of its operation are greatly improved.

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