ABB ACS355-03U-01A2-4 Variable Frequency Drive

ABB ACS355-03U-01A2-4 is a 480 V three-phase LVAC machinery drive module from ABB’s ACS355 family, designed to provide adjustable frequency and voltage to small motors in industrial equipment. It offers a nominal output of 0.37 kW (0.5 HP) and draws about 1 A at 480 V, making it suitable for compact drives on 3-phase power supplies. The unit is specified for 3-phase input from 380 to 480 V, and the B063 revision is indicated by the suffix. The model designation ACS355-03U-01A2-4 identifies the 480 V variant and its configuration within ABB’s general machinery drives line. This drive is intended for motor speed control where ramping and basic drive functions are used to operate small 3-phase motors in automation equipment and other applications requiring adjustable speed control of a 0.5 HP motor.