ACS150-03E-03A3-4 3-Phase In, 500Hz Out 1.1 kW, 400 V with EMC Filter. The ACS150 by ABB. Introducing a new level of programmability to the Microdrive, the programming is done via parameters you set, arranged together in an easy to follow logical grouping system, these are separated into 2 levels of menu (short and long view). The unit features a built in low cost keypad allowing you access to change parameters as you need them, as well as diagnostic tools and reference changing.