Siemens SINAMICS DCM Operating Instructions Manual page 43

Ambient temperature
Table 4- 5 Ambient temperature Tu
Use Tu [°C]
Storage -40 ... +70
Transportation -40 ... +70
Operation 0 ... +45
0 ... +40
0 ... +55
Installation altitude above sea level
≤ 1,000 m With rated DC current
> 1,000 m With derating; see the section titled "Derating" after the unit data
SINAMICS DCM DC Converter
Operating Instructions, 1.2012, C98130-A7066-A1-05-7619
Comment
Only applies when product is in its original packing
Only applies when product is in its original packing
for units with a rated DC current ≤125 A (self-ventilated units),
at rated DC current
for units with a rated DC current ≥210 A (force ventilated units),
at rated DC current
With derating; see the section titled "Derating" after the unit data
Technical data
4.2 Environmental requirements
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