The energy-saving distribution box is made of stainless steel. According to the requirements of wires, the switchgear, measuring instruments, protective appliances and auxiliary equipment are used in closed or semi closed metal cabinet or Bingfu to form low-voltage distribution equipment. We have certain rules for its use environment
1. The ambient air temperature is - 5 ℃ ~ + 40 ℃, and the average value within 24 hours is no more than + 35 ℃;
2. The elevation of the installation site shall not exceed 2000 meters;
3. At high temperature + 40 ℃, the relative humidity of air is not more than 50%;
The monthly average low temperature in humid month is less than + 25 ℃, and the monthly average high relative humidity is less than 90%. In addition, the condensation on the surface of the product due to the temperature change is also considered. The degree of pollution is 3;
- In the process of transportation and storage, the temperature can be between - 25 ℃ and + 55 ℃, and can reach + 70 ℃ in a short time (no more than 24 hours).