MNS低压抽屉柜结构特点

Structural characteristics of MNS low-voltage drawer cabinet

　　1.MNS型低压开关柜框架为组合式结构，基本骨架由C型钢材组装而成。柜架的全部结构件经过镀锌处理，通过自攻锁紧螺钉或六角螺栓坚固连接成基本柜架，加上对应于方案变化的门、隔板、安装支架以及母线功能单元等部件组装成完整的开关柜。开关柜内部尺寸、零部件尺寸、隔室尺寸均按照模数化变化。

The frame of the MNS low-voltage switchgear is a combination structure, and the basic framework is assembled from C-shaped steel. All structural components of the cabinet frame are galvanized and firmly connected to the basic cabinet frame through self tapping locking screws or hexagonal bolts. In addition, corresponding components such as doors, partitions, installation brackets, and busbar functional units are assembled to form a complete switchgear. The internal dimensions, component dimensions, and compartment dimensions of the switchgear are all subject to modular changes.

　　2.MNS型组合式低压开关柜的每一个柜体分隔为三个室，即水平母线室（在柜后部），抽屉小室（在柜前部），电缆室（在柜下部或柜前右边）。室与室之间用钢板或高强度阻燃塑料功能板相互隔开，上下层抽屉之间有带通风孔的金属板隔离，以有效防止开关元件因故障引起的飞弧或母线与其它线路短路造成的事故。

Each cabinet of the MNS type combined low-voltage switchgear is divided into three compartments, namely the horizontal busbar compartment (at the rear of the cabinet), the drawer compartment (at the front of the cabinet), and the cable compartment (at the bottom or right side of the cabinet). Rooms are separated from each other by steel plates or high-strength flame-retardant plastic functional boards, and there are metal plates with ventilation holes between the upper and lower drawers to effectively prevent accidents caused by arcing or short circuits between switch components and other circuits due to faults.

　　3.MNS型低压开关柜的结构设计可满足各种进出线方案要求：上进上出、上进下出、下进上出、下进下出。

The structural design of the MNS type low-voltage switchgear can meet the requirements of various inlet and outlet schemes: upper in and upper out, upper in and lower out, lower in and upper out, and lower in and lower out.

　　4.设计紧凑：以较小的空间容纳较多的功能单元

4. Compact design: accommodates a large number of functional units in a smaller space

　　5.结构件通用性强、组装灵活,结构及抽出式单元可以任意组合，以满足系统设计的需要

5. The structural components have strong universality and flexible assembly. The structure and withdrawable units can be combined arbitrarily to meet the needs of system design

　　6.母线用高强度阻燃型、高绝缘强度的塑料功能板保护，具有抗故障电弧性能，使运行维修可靠

6. The busbar is protected by high-strength flame-retardant and high insulation plastic functional plates, which have anti fault arc performance, ensuring safe and reliable operation and maintenance

　　7.各种大小抽屉的机械联锁机构符合标准规定，有连接、试验、分离三个明显的位置，可靠。

7. The mechanical interlocking mechanisms of various sizes of drawers comply with standard regulations, with three obvious positions for connection, testing, and separation, ensuring safety and reliability.

　　8.采用标准模块设计:分别可组成保护、操作、转换、控制、调节、测定、指示等标准单元，可以根据要求任意组装。

8. Adopting standard module design: it can form standard units for protection, operation, conversion, control, adjustment, measurement, indication, etc., and can be assembled according to requirements.

　　9.采用高强度阻燃型工程塑料，有效加强了防护性能。

9. The use of high-strength flame-retardant engineering plastics effectively enhances the protection and safety performance.

　　10.通用化、标准化程度高，装配方便。具有可靠的质量保证。

10. High degree of generalization and standardization, convenient assembly. With reliable quality assurance.

　　11.柜体可按工作环境的不同要求选用相诮的防护等级。

11. The cabinet can be selected with corresponding protection levels according to the different requirements of the working environment.

　　12.设备保护连续性和可靠性

12. Equipment protection continuity and reliability

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