With high segmentation ability, good dynamic and thermal stability, flexible electrical scheme, strong versatility;
The cabinet lock can accommodate more circuits, save floor space, high protection level, safe and reliable, easy maintenance and other advantages;
Meet the national GB7251 "low-voltage switchgear" requirements;
Support customized service, can customize the box size, opening, thickness, material, color, component collocation;
The appearance of electrostatic spraying process, highly flame retardant, anti-corrosion and rust, durable;
The bottom is equipped with heat dissipation hole, effectively reduce the temperature in the box, to avoid high temperature accidents;
1. The altitude does not exceed 2000m.
2. The ambient air temperature is not higher than +40 ° C, and the average temperature within 24 hours is not higher than +35 ° C, around
The air temperature is not lower than -5℃.
3.Atmospheric conditions: The air is clean, the relative humidity does not exceed 50% when the temperature is +40℃, and the temperature is relatively high High relative humidity is allowed at low temperatures.
4. No fire, explosion danger, serious pollution, chemical corrosion and violent vibration of the place, pollution, etc Class III, creepage specific distance ≥2.5cm/KV, and the tilt to the vertical plane does not exceed 5°.
XL-21 power distribution box is an indoor device, suitable for civil power plants and industrial and mining enterprises, AC frequency 50Hz, AC voltage 380V, three-phase three-wire, three-phase four-wire power system. It is used for power and lighting distribution and control, and can also be used for other occasions that meet the load performance of the power distribution box, such as: indoor computer rooms, factories, urban electricity, construction industry.
