Siemens SINAMICS S120 Manual page 189

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 FX or GX. The Active Interface Modules and
Active Line Modules of these frame sizes have degree of protection IP20.
Figure 5-28 Overview of Active Infeed (frame sizes FI/FX and GI/GX)
In the case of an Active Infeed with an Active Line Module of frame sizes HX or JX, 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 these frame sizes have
degree of protection IP00.
Figure 5-29 Overview of Active Infeed (frame sizes HI/HX and JI/JX)
Air-cooled chassis power units
Equipment Manual, 06/2020, 6SL3097-5AE00-0BP3
Line Modules
5.4 Active Line Modules
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