Derating Factors As A Function Of The Ambient Temperature - Siemens SINAMICS S120 Manual

System overview
2.11 Derating data
2.11.2

Derating factors as a function of the ambient temperature

The units can supply 100 % output current at an ambient air temperature of between 0 °C
and 45 °C. The maximum output current decreases linearly to 90 % at ambient air
temperatures of between 45 °C and 50 °C.
Figure 2-7
40
Maximum current as a function of ambient temperature
Cabinet Modules liquid cooled
Equipment Manual, 04/2020, A5E37067587A