ABB ACH580-01-04A7-2 0.75 kW HVAC drive. ABB ACH580-01-04A7-2 is an ACH580 HVAC drive rated 0.75 kW, 4.7 A, 200-240 V, frame R1. It is designed for air-handling units, chillers, cooling towers, pumps and ventilation fans, with ABB drive control and energy-efficient motor operation.