ABB ACH580-01-276A-2 75 kW HVAC drive. ABB ACH580-01-276A-2 is an ACH580 HVAC drive rated 75 kW, 276 A, 200-240 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.