ABB ACH580-01-144A-6 110 kW HVAC drive. ABB ACH580-01-144A-6 is an ACH580 HVAC drive rated 110 kW, 144 A, 500-600 V, frame R8. It is designed for air-handling units, chillers, cooling towers, pumps and ventilation fans, with ABB drive control and energy-efficient motor operation.