Siemens SINAMICS S120 Manual page 493

Figure 8-41
The current-conducting DC busbar behind the DC interface can be accessed once the power
block has been removed ("(a)" in figure).
The DC busbar is sealed off sufficiently to prevent accidental contact.
Cabinet Modules
Manual, 03/2013, A5E03263538A
8.32 L37, DC interface incl. pre-charging input circuit for the relevant DC link capacitance
Side view (without side panel)
Options
491