ABB ACH580-01-09A5-4 4 kW Hvac Drive. ABB ACH580-01-09A5-4 is an ACH580 HVAC drive rated 4 kW, 380-480 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.