Siemens SINAMICS G120 Operating Instructions Manual page 513

Current derating depending on the installation altitude
The permissible inverter output current is reduced above an installation altitude of 1000 m.
Figure 10-9
Figure 10-10 Characteristic for the PM330 GX Power Module
Figure 10-11 Characteristic for the PM330 HX and JX Power Modules
Figure 10-12 Characteristic for the PM250 Power Module
Converter with the CU230P-2 Control Units
Operating Instructions, 09/2017, FW V4.7 SP9, A5E34257946B AE
Characteristic for the PM230 Power Module
10.9 Restrictions for special ambient conditions
Technical data
513