Maximum relative humidity
Condensation, precipitation and icing is not permitted.
Class 1K2 in climatic ambient conditions defines fully air-conditioned or closed storage
locations (existingwindows and doors have to be permanently closed) with temperature
control. Control of the humidity is not stipulated. The stored productsmay be exposed to
sunshine and heat radiationaswell asmovingambient air.
1. Infineon Technologies, "Mounting instructions EconoDUAL
3 modules", Infineon
2. IEC 60721-3-1, "Classification of environmental conditions – Part 3: Classification
of groups of environmental parameters and their severities – Section 1: Storage",
International Electrotechnical Commission, Edition2, 1997