GCS type low-voltage switchgears are generally equipped with clear three-stage position. GCS type drawer type switchgear has a big disadvantage. Its structure is made, especially the assembly is troublesome. Most of them are bolted, and the drawer is divided into 1/2 unit. 5 units of 1 unit, 1.5 unit, 2 unit and 3 unit, up to 3 PC cabinets, up to 22 drawer circuits in MCC cabinet, E=20mm and 100mm in the main cabinet, 160mm in drawer height The busbar is flat on the back, and there are outlet passages on the upper and lower sides of the cable room. The panel has obvious signs of separation, combination, test and extraction position.
2, GCK type low voltage switchgear
GCK low-voltage switchgear has high breaking capacity, good dynamic thermal stability, and advanced and reasonable structure. The electrical scheme of GCK drawer type switchgear is flexible, series, versatile, any combination of various scheme units, and one cabinet. The utility model has the advantages of large number of circuits, saving floor space, high protection level, safety and reliability, convenient maintenance, etc. The drawer is divided into 1/2 unit, 1 unit, 2 units and 3 units, and can hold up to 9 units and cabinets. The body can hold 18 units. The drawer has the joint, minute, test and extraction positions, which can ensure normal work, and can safely repair the components in the drawer. From the drawer's propulsion mode, it is basically divided into single plug-in type, double-plug type, and rock-in type. . Most drawer units do not have a clear 3 break position, only basic interlocking can be achieved. Most of them have no experimental position. The main frame is installed with a module hole E=25mm, and the GCK drawer type switch cabinet has a height of 1800mm. The functional units occupy a separate compartment, and the drawer layer is 200mm high. However, with the development of the electrical industry, the size of the circuit breaker is getting smaller and smaller, and it can be installed horizontally.
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