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Classification by structural characteristics and use
Sep 04, 2018

(1) Fixed panel type switch cabinet, often called Switch board or Power distribution screen.

It's an open-type switch with panel masking.

Cabinet, the front is protected, the back and side can still touch the live part, low protection level, can only be used for power supply continuity

And the low reliability requirements of the industrial and mining enterprises, for the Transformer room centralized power supply.

(2) Protective type (ie, closed) switchgear, which means that all the sides are enclosed, except for the mounting surface, a low Pressure switch cabinet.

Electrical components such as switches, protection and monitoring controls for such cabinets are installed in a steel or insulating material Made of enclosed housing, reliable wall or off-wall mounting.

Each circuit in the cabinet can be separated from Use a grounded metal plate or insulating plate for isolation. Usually the door is mechanically interlocked with the main switch operation.

There's also a protective type Desk-type switchgear (ie console), the Panel is equipped with control, measurement, signal and other electrical appliances.

The protective switch cabinet is mainly used for working

Distribution devices in the field of art. (3) drawer type switch cabinet.

These switchgear cabinets are made of steel-enclosed enclosures, and electrical components in and out of the line circuit In an withdrawable drawer, a functional unit capable of accomplishing a certain type of power supply task.

Functional units with Busbar or cable

, separated by a functional board made of grounded metal plates or plastic, forming a bus, function unit and cable three areas. There are also isolation measures between each functional unit.

The drawer type switchgear has high reliability, safety and interchangeability, which is More advanced switchgear cabinets, the current production of switchgear, most are drawer-style switchgear.

They are suitable for demanding power supply reliability

High industrial and mining enterprises, high-rise buildings, as a centralized control of the distribution center. (4) Power, lighting distribution control box. Most are closed vertical mounting.

Enclosure protection class due to different use cases are different. They are mainly used as distribution devices in the production site of industrial and mining enterprises.


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