ABB ACH580-01-011A-6 7.5 kW HVAC drive. ABB ACH580-01-011A-6 is an ACH580 HVAC drive rated 7.5 kW, 11 A, 500-600 V, frame R2. It is designed for air-handling units, chillers, cooling towers, pumps and ventilation fans, with ABB drive control and energy-efficient motor operation.