Overview
This product is a new type of distribution cabinet designed and manufactured in accordance with international IEC standards and GB7251.1 national standards. It uses imported electrical components from abroad or domestically produced electrical components.
The distribution cabinet is suitable for industrial and mining enterprises, commercial and service sectors, as well as civil buildings. It is used in the three-phase three-wire, three-wire single-phase power distribution series for AC 50Hz and rated voltage below 400V in the power or lighting distribution of these systems.

Applicable conditions:
① Ambient temperature: The surrounding air temperature should not exceed +40℃, the minimum should not be lower than -10℃, and the average temperature within 24 hours should not exceed +35℃.
② Relative humidity: At the highest temperature of +40℃, the relative humidity should not exceed 50%, and at lower temperatures, a higher relative humidity is allowed.
③ No conductive or gases that may corrode metals and damage insulation.
④ No severe vibrations or jolts and vertical installation. The installation inclination should not exceed 5 degrees.
⑤ Altitude should not exceed 2000 meters.

Product structure
This distribution cabinet is of the enclosed type. The outer shell is generally made by welding steel plates, or it can be assembled using profiles. Electrical installation columns are welded on the inner left and right side walls. The knife switch operation handle is placed on the right side of the front of the box. The box door is used for power switching. Voltage meters, current meters, indicator lights and operation buttons can be installed on the box door. When the door is opened, the equipment inside the box can be inspected and repaired. The equipment inside is installed in a strip frame structure, which is installed flexibly and compactly, and is convenient for maintenance. 

Dimensions (mm)
Height: 2200, 1800, 1700, 1600, 1500, 1200, 1100, 950, 900, 850, 800, 750, 700, 650, 600, 550, 500
Width: 1000, 800, 750, 700, 650, 600, 550, 500, 450, 400
Depth: 1000, 800, 600, 400, 350, 300, 250, 220, 200, 180