ABB ACH550-UH-044A-4 is a 22 kW (30 HP) variable frequency drive from ABB's ACH550 family, designed to drive three-phase motors in HVAC and other industrial applications. It accepts 380–480 VAC three-phase input and has a rated current of 44 A (I2n). The enclosure is IP21, suited for indoor installations, and the model carries the UH-044A-4 designation within the 44 A / 22 kW class of the ACH550 range for 380–480 V service at 50/60 Hz.
