Applicable standards:
1) National standard: GB14048.4, GB14048.5
2) International standard: IEC 60947-4-1, IEC 60947-5-1
Normal working and installation condition:
1) Ambient temperature: -5 ~ +55°C
2) Average temperature: ≤+35°C in 24 hours
3) Relative humidity: ≤50% at max. +40°C (may be higher at a lower
temperature)
4) Lowest average temperature: ≤+20°C in the wettest month
5) Maximum average relative humidity: ≤90% (change of temperature leading to
dew on product must be considered)
6) Altitude: ≤2,000m
7) Class of pollution: Class 3
8) Installation condition: Class III(9)
9) The inclined angle between the mounting surface and vertical surface: ≤5°
(located on the place of non-sensible compact and vibration)
10) Environmental protection: factors of environmental protection should take into
account during the design and manufacture; the parts adopt recoverable materials
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