Siemens SINAMICS PM240-2 Hardware Installation Manual page 67

Property
Protection against chemical
substances
Biological ambient condi-
tions
Pollution
Cooling
Cooling air
Increased ruggedness regarding temperature range and relative humidity; therefore better than 3K3 according to EN
1)
60721-3-3
Observe the permissible ambient operating temperatures for the Control Unit and the Operator Panel (IOP or BOP-2).
2)
Power Module PM240-2
Hardware Installation Manual, 01/2017, A5E33294624B AE
Version
FSA ... FSC: Protected according to 3C2 to EN 60721-3-3
•
FSD ... FSF: 3C3 protection according to EN 60721-3-3
•
Suitable according to 3B1 to EN 60721-3-3
Suitable for environments with degree of pollution 2 according to EN 61800-5-1
Forced air cooling AF, according to EN 60146
Clean and dry air
Technical data
7.2 Ambient conditions
67