model and meaning

applicable environment and installation condition

altitude 2000 m and below, up from 2000 m to drop capacity is used, as shown in the drop table.other special requirement, please contact the manufacturer
ambient air temperature is 25 ℃ to 40 ℃, the average temperature is less than 24 hours 35 ℃;when the ambient air temperature is higher than 40 ℃ or below 25 ℃, please contact the manufacturer
anti-corrosion ability under the influence of humid air (type)
resistant to salt spray mist effect (three)
anti-corrosion ability under the influence of mold (type)
product should be installed in the distribution box, there is the rain proof measures

note: three type need to customize