The 6SL3320-1TG31-8AA0 is a SINAMICS S120 Single Motor Module designated as a spare part, taking a 675 V–1035 V DC link input and delivering a 500 V–690 V three-phase AC output rated at 175 A. The built-in internal air cooling and included DRIVE-CLiQ cable mean it drops into an existing S120 cabinet group without additional ordering of interconnect harnesses — provided the cabinet airflow path is sized for the module's thermal rejection.
What the ratings mean in a drive cabinet
The 675 V–1035 V DC input range matches the standard S120 DC-link bus voltage that comes from a regulated infeed (Smart Line Module or Active Line Module) on a 400 V or 690 V AC supply. The 500 V–690 V 3AC output at 175 A means this module can drive a motor rated up to roughly 175 A full-load current — typically a 132 kW to 160 kW induction motor at 690 V, or a 90 kW to 110 kW motor at 500 V, depending on the motor's voltage rating and service factor. The built-in air cooling relies on the cabinet's own forced-air flow; if the module is being retrofitted into a densely packed cabinet, verify the static pressure and airflow path against the S120 cabinet design guidelines — the module's fin-block needs unobstructed vertical airflow.