Overload Capability - Siemens SINAMICS S120 Manual

Article number
Recommended fuse
2)
- Number per phase (connected in parallel)
- Rated current
- Frame size acc. to IEC 60269
Minimum short-circuit current
The specified power loss is the maximum value at 100% capacity utilization. The value in normal operation is lower.
1)
To achieve a UL-approved system, it is absolutely essential to use the fuse types specified in the table.
2)
Minimum current required for reliable triggering of the protective devices.
3)
The first value applies for one precharging resistor for each phase, the second value for two precharging resistors con-
4)
nected in parallel for each phase
5.2.7.3

Overload capability

The Basic Line Modules have an overload reserve.
The criterion for overload is that the Basic 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 5-13
Air-cooled chassis power units
Equipment Manual, 06/2020, 6SL3097-5AE00-0BP3
6SL3330– 1TG41–4AA3
3NE1436-2
2
630
3
kA 16
3)
can flow for 5 s.
max_DC
High overload
1TG41–8AA3
3NE1435-2
3
560
3
18.6
is based on a duty cycle of 150% for 60 s; the
H_DC
Line Modules
5.2 Basic Line Modules
155