GCK type low-voltage switchgear has high breaking capacity, good dynamic and thermal stability, advanced and reasonable structure. GCK type drawer type switchgear has flexible electrical scheme, strong seriality and universality, arbitrary combination of various scheme units and one cabinet.

所容納的回路數較多、節省占地面積、防護等級高、可靠、維修方便等優點，抽屜分為1/2單元、1單元、2單元、3單元，多可裝9個單元，柜體可裝18個單元。抽屜具有合、分、試驗、抽出位置，即能保證正常的工作，又可檢修抽屜內的元件，從抽屜的推進方式上又基本上分單撥插式，雙撥插式，搖進式。

The drawer has the advantages of large number of circuits, saving floor area, high protection level, safety and reliability, convenient maintenance, etc. the drawer is divided into 1 / 2 unit, 1 unit, 2 unit and 3 unit, up to 9 units can be installed, and the cabinet can be installed with 18 units. The drawer has closing, opening, testing and extraction positions, which can not only ensure normal operation, but also safely overhaul the components in the drawer. From the propulsion mode of the drawer, it is basically divided into single pull-in type, double pull-in type and swing in type.

有的抽屜單元大多數沒有清晰的3段位置，只能實現基本的連鎖，大多數沒有實驗位置，主架安裝模數孔E=25mm，GCK型抽屜式開關柜抽屜柜高度為1800mm，每一功能單元均占—獨立隔室，抽屜層高200mm，但隨著電氣工業的發展，斷路器體積越來越小，亦可水平安裝。

Most of some drawer units have no clear 3-section position and can only realize basic interlocking. Most of them have no experimental position. The installation module hole of the main frame is e = 25mm. The height of the drawer cabinet of GCK drawer switch cabinet is 1800mm. Each functional unit occupies an independent compartment and the drawer floor height is 200mm. However, with the development of the electrical industry, the volume of the circuit breaker is getting smaller and smaller and can also be installed horizontally.

GcS型低壓開關柜一般都設有清晰的3段位置，GCS型抽屜式開關柜有個較大的缺點，其結構制作，尤其是裝配比較麻煩，大多采用螺栓連接，抽屜分為1/2單元、1單元、1.5單元、2單元、3單元五個系列，PC柜多可做3個，MCC柜多可裝22個抽屜回路，主柜安裝模數孔E=20mm和100mm，抽屜層高160mm，母線采用背后平置式，電纜室上下均有出線通道，面板具有分、合、試驗、抽出位置的明顯標志。

GCS type low-voltage switchgear is generally equipped with clear 3-section positions. GCS type drawer type switchgear has a big disadvantage. Its structure fabrication, especially assembly, is troublesome, and most of them are connected by bolts. The drawers are divided into five columns: 1 / 2 unit, 1 unit, 1.5 unit, 2 unit and 3 unit. There can be at most 3 PC cabinets and 22 drawer circuits in MCC cabinet, The installation module hole of the main cabinet is e = 20mm and 100mm, the drawer layer height is 160mm, the bus is flat at the back, there are outlet channels at the top and bottom of the cable room, and the panel has obvious signs of opening, closing, test and extraction positions.

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