The ABB ACS150-03E-01A2-4 is a compact 1.2 Ampere, 0.37 kW (0.5 HP) variable frequency drive from the economical and user-friendly ACS150 series. Designed for basic speed control of small three-phase AC motors, it is a simple and reliable solution for applications such as small pumps, miniature fans, conveyors, and basic machinery.