China Best 125amp Mccb Factory – YCQ6B ...
Operating Conditions
1. Ambient air temperature
Limit of temperature: -5℃~+40℃.
The average no more than +35℃ within 24 hours.
2. Transportation and storage
Limit of temperature: -25℃~+60℃,
The temperature can be up to +70℃ within 24 hours.
3. Altitude ≤ 2000m
4. Atmospheric condition
When the temperature is +40℃, the air relative humidity should not exceed 50%, only under lower temperature can allow for higher relative humidity. If the temperature is 20℃, the air relative humidity could up ...