Siemens Sinamics S120 Manual page 164

Line Modules
5.3 Active Line Modules
Active Infeed components
An Active Infeed comprises an Active Interface Module and an Active Line Module.
The bypass contactor is fitted in the relevant Active Interface Module on Active Infeeds which
feature an Active Line Module of frame size GXL. Active Interface Modules in these frame
sizes have degree of protection IP20; Active Line Modules in these frame sizes have degree
of protection IP00.
Figure 5-13 Overview of Active Infeeds, frame size GXL
In the case of an Active Infeed with an Active Line Module of frame sizes HXL or JXL, the
bypass contactor is not included in the associated Active Interface Module, but must be
provided separately. The Active Interface Modules and Active Line Modules of this frame
size have degree of protection IP00.
Figure 5-14 Overview of Active Infeeds, frame sizes HI/HXL and JI/JXL
164
Liquid-cooled chassis power units
Manual, (GH7), 11/2016, 6SL3097-4AM00-0BP7