Power supply modules provide the power needed by the motor, and ensure secure operation in compliance with current EMC standards. 3x400VAC: T01-72/420, 900, 1500 3x240VAC: T01-82/420-US, 900-US, 1500-US 230VAC/115VAC : S01-72/300, 600 ............................. S01-48/150, 300, 600