The switch cabinet has high reliability, safety and interchangeability, and is a relatively advanced switch cabinet. Most of the switch cabinets currently produced are drawer-type switch cabinets. They are suitable for industrial and mining enterprises and high-rise buildings that require high power supply reliability, and serve as centralized control power distribution centers. So, what are the differences between each type of drawer-type switch cabinet?
What is a drawer switch cabinet
The drawer-type switch cabinet is a closed shell made of steel plates. The electrical components of the incoming and outgoing circuits are installed in pull-out drawers, forming a functional unit that can complete a certain type of power supply task. The functional units are separated from the busbar or cable by a grounded metal plate or a functional board made of plastic, forming three areas: busbar, functional unit and cable. There are also isolation measures between each functional unit. Drawer-type switch cabinets have high reliability, safety and interchangeability, and are relatively advanced switch cabinets. Most of the switch cabinets currently produced are drawer-type switch cabinets. They are suitable for industrial and mining enterprises and high-rise buildings that require high power supply reliability, and serve as centralized control power distribution centers.
Differences between drawer type switch cabinets
1. GCS type low voltage switch cabinet
GCS low-voltage switch cabinets are generally equipped with clear 3-position positions. GCS drawer-type switch cabinets have a major disadvantage. Its structure, especially assembly, is troublesome. Most of them use bolted connections. The drawers are divided into 1/2 units. , 1 unit, 1.5 unit, 2 unit, 3 unit five series, PC cabinet can be made up to 3, MCC cabinet can be installed up to 22 drawer circuits, main cabinet installation module hole E=20mm and 100mm, drawer height 160mm , the busbar is laid flat on the back, there are outlet channels above and below the cable room, and the panel has obvious signs of opening, closing, testing and withdrawal positions.
2. GCK type low voltage switch cabinet
The GCK type low-voltage switch cabinet has high breaking capacity, good dynamic and thermal stability, and advanced and reasonable structure. The GCK type drawer-type switch cabinet has flexible electrical solutions, seriality, and strong versatility. Various solution units can be combined in one cabinet. It has the advantages of accommodating a large number of circuits, saving floor space, high protection level, safety and reliability, and easy maintenance. The drawers are divided into 1/2 units, 1 units, 2 units, and 3 units. Up to 9 units can be installed. The cabinet The body can hold 18 units. The drawer has closing, opening, testing and withdrawing positions, which not only ensures normal operation, but also allows safe maintenance of components in the drawer. From the drawer's advancement method, it is basically divided into single pull-in type, double pull-in type, and swing-in type. . Most of the drawer units do not have clear 3-break positions and can only realize basic interlocking. Most of them do not have experimental positions. The main frame installation module hole E=25mm. The height of the GCK drawer-type switch cabinet is 1800mm. The height of each drawer unit is 1800mm. Each functional unit occupies an independent compartment, and the drawer height is 200mm. However, with the development of the electrical industry, the size of circuit breakers is getting smaller and smaller, and they can also be installed horizontally.
3. MNS type low voltage switch cabinet
The MNS type low-voltage switch cabinet has a combined structure. The MNS type drawer-type switch cabinet is divided into standard and non-standard types. All structural parts of the frame are galvanized or made of galvanized sheets or imported aluminum-zinc sheets folded into profiles. The module hole E=25mm is connected through various connecting parts, self-tapping locking screws and 8.8 grade hexagonal bolts. The frame structure can be assembled without special tools. The partitions in the cabinet adopt segmented multi-functional isolation panels, which can make the PC Cabinets and MCC cabinets can be mixed. The drawer height is 200mm and can be divided into 8E/4, 8E/2, 8E, 16E, and 24E. The effective height of the MCC cabinet is 72E and can accommodate up to 36 outlet circuits. Cabinet dimensions (width × depth × height): 600 (800, 1000) × 800 (600, 1000) × 2200, unit: mm.
The above is an introduction to the drawer-type switch cabinet. I hope it will be helpful to you.