The Elta ABB ACH580 variable speed drive (model 149-VFD-00 – 00-0021) is a 4.0kW unit designed for HVAC applications, supporting three-phase input and output for precise motor management. Housed in a robust IP55-rated UL (NEMA) Type 12 enclosure, it offers reliable performance in various installation environments. The drive includes built-in HVAC control features and supports Modbus and BACnet for flexible I/O connectivity. Its intuitive keypad interface allows for custom text and display configurations, simplifying operation. Compact in design, it conserves installation space and functions effectively in ambient temperatures ranging from ‑15°C to +50°C.