Siemens S120 Manual page 157

Figure 4-54
It is not permissible that the Power Module is operated with its maximum rated current at
output frequencies below 10 Hz. Otherwise, its service life could be reduced.
Figure 4-55
AC Drive
Manual, (GH6), 04/2014, 6SL3097-4AL00-0BP4
Output current as a function of the installation altitude
Output current as a function of the output frequency
4.3 Power Modules Blocksize (PM340)
Power Modules
157