The compact SINAMICS S150 cabinet units are designed for variable speed drives in machine building and plant engineering. They are particularly suitable for use with variable speed drives with high demands on dynamics and speed accuracy, frequent braking cycles with high braking energies and 4-quadrant operation. SINAMICS S150 offers high-performance speed control with high accuracy and dynamics. The inverter cabinet units are available for the power range from 75 kW to 1200 kW.