Smart Line Modules are uncontrolled rectifier/regenerative units. The infeed circuit comprises a diode bridge, while the line-commutated regenerative feedback circuit with immunity to inverter commutation faults comprises IGBTs with 100 % continuous regenerative power. An autotransformer is not required for regenerative feedback.

The regenerative capability can be deactivated with a digital input.

Smart Line Modules are suitable for connection to grounded TN/TT and non-grounded IT systems. The following voltages and power ratings are available:

The power ratings can be increased by connecting up to four identical Smart Line Modules in parallel. For additional information, please refer to the SINAMICS Low Voltage Engineering Manual.