ABB ACH550-VD-078A-4F267 AC Variable Frequency Drive

ABB ACH550-VD-078A-4F267 AC Variable Frequency Drive delivers precise speed control for 60 HP HVAC motors, configured for 3-phase operation on 380–480 VAC power and a 48–63 Hz supply, making it suitable for a wide range of building and industrial HVAC applications. The drive carries a robust 100 kA short-circuit current rating and, at 480 VAC, typically draws about 77 A for the 60 HP class, reflecting its ability to handle demanding electrical feeds in commercial installations. As a member of ABB’s ACH550 HVAC drive family, it is designed to drive fans, pumps, and compressors with reliable, energy-efficient motor control across standard HVAC duty cycles. The ACH550 platform includes built-in protection and diagnostics, with a fault logger that uses a real-time clock to simplify fault analysis and history tracking on site. Model-coded variants like -VD-078A-4F267 are configured for 380–480 VAC three-phase supply and 48–63 Hz operation, making this unit a drop-in solution for retrofit or new installations where ABB’s HVAC drive ecosystem is already in play.