Overload Capability - Siemens SINAMICS S120 Equipment Manual

5.3.6.3

Overload capability

The Smart Line Modules have an overload reserve.
The criterion for overload is that the Smart Line Module is operated as a maximum with its
base load current before and after the overload occurs (a load duration of 300 s is used as a
basis here).
High overload
The base load current for a high overload I
max. current I
Figure 5-26
Air-cooled chassis power units
Manual, 07/2019, 6SL3097-4AE00-0BP9
can flow for 5 s.
max_DC
High overload
is based on a duty cycle of 150% for 60 s; the
H_DC
Line Modules
5.3 Smart Line Modules
187