ABB ACH550-01-157A-4+B055 low voltage AC drive, ACH550 series, voltage 380-480 V (3 phase) IP54, 75kW, 157A. ABB frequency inverter ACH550 series provides proven reliability, flexibility, and HVAC communication protocols. It is pre-programmed for several applications, including: air handling units, cooling towers, chillers, and more. The intelligent variable speed drive is dedicated to saving energy, producing quality air, and alleviating environmental concerns. Reduce costs by controlling your building’s fan, compressor, and pump motors efficiently, for an energy conscious environment.

Highlights
● Embedded BACnet
● Interactive startup assistant
● Tailor made HVAC software
● Two built-in PID controllers
● Real time clock and calendar
● Built-in timers
● Harmonic mitigation built-in
Note: ACH550 serial production has ceased. The product is available as a spare part only. ACH580 drives are being the platform replacement.

ABB ACH550-01-157A-4+B055 low voltage AC drive