MYS-4 series outdoor low-voltage cable distribution boxDetailed product description：

Product model: MYS-4

1、 Product Overview:
MYS-4 series outdoor low-voltage cable distribution box is a complete set of standardized products used for outdoor AC three-phase 380V/220V, rated frequency 50Hz, rated current 1600A and below low-voltage transmission and distribution grids, to distribute electrical energy to other users or equipment through cables. This product is suitable for outdoor public places such as substations, industrial and mining enterprises, both sides of streets (highways), residential areas, high-rise buildings, etc. In the construction and renovation of urban and rural power grids, it is a technical support product that replaces overhead lines.

2、 According to the standard
GB7251-1997/IEC60439 Low voltage switchgear and control gear assemblies
GB 156-93 standard voltage
GB 762-2002 Standard Current Class
GB 762-191 Packaging, storage and transportation pictorial markings
GB 4208-93 Degrees of Protection Provided by Enclosures (IP Code)

3、 Usage conditions:
1. Altitude: generally not exceeding 2000m
2. When the ambient air temperature is not higher than+40 ℃ and the average temperature within 24 hours is not higher than+35 ℃, the ambient air temperature is not lower than -5 ℃.
3. Atmospheric conditions: The air is clean, and the relative humidity does not exceed 50% at a temperature of+40 ℃. Higher relative humidity is allowed at lower temperatures, such as 90% at+20 ℃.
4. A place without fire, explosion hazards, severe pollution, and violent vibrations.
5. The installation should not tilt more than 5 degrees from the vertical plane.
6. This product is suitable for transportation and storage at temperatures ranging from -25 ℃ to+55 ℃, and within a short period of time (not exceeding 24 hours), it should not exceed+70 ℃.

4、 Main technical parameters:
Basic technical parameters
1. Main circuit rated operating voltage (V) AC 380 and below
2. Rated operating voltage of auxiliary circuit (V) AC 110, 220, 380 and below
DC 110, 220 and below
3. Main circuit rated insulation voltage (V) AC 660 and below
4. Rated operating frequency (Hz) 50~60
5. Rated working current (A) 1600A
6. Main technical performance indicators
6.1 Rated short-time withstand current of busbar (kA/s) 15, 30, 40
6.2. Rated peak withstand current of busbar (kA) 63
7. Power frequency test voltage (V) 2500

5、 Product Structure:
1. The enclosed outdoor low-voltage cable distribution box adopts the insulated enclosed busbar system developed by our company based on the latest "Construction Standards for Residential Power Supply and Distribution Facilities" and obtained national product patents. The outdoor low-voltage cable distribution box is aesthetically pleasing, compact in structure, rainproof and moisture-proof, safe and reliable, and eliminates the possibility of accidental electric shock. It has been rated as the safest outdoor low-voltage cable distribution box.
2. The basic framework of the device is a welded structure, which is divided into three parts: the shell, the mounting plate, and the base.
3. The main frame is an assembled closed structure, and the box body is an outdoor self-supporting structure that is bent and welded. The main frame structure is designed as a welded structure, which has the characteristics of light weight and high strength The box adopts electrostatic spraying, which is beautiful and corrosion-resistant. The door is equipped with a lock that cannot be opened by non professionals. After opening the door, it is easy to maintain. M8 grounding bolts are welded inside the box, and the grounding bolt is marked with a grounding symbol.
4. The installation method can be vertical floor mounted, pole mounted, or wall mounted There are holes at the bottom of the device for cable entry and exit, and cable sheaths suitable for various cable diameters are installed.
5. The protection level of the cabinet shell is IP34D;