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ABB ACH550-UH-023A-4 Variable Frequency Drive
ABB ACH550-UH-023A-4 Variable Frequency Drive
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Description:
The ABB ACH550-UH-023A-4 is a 380–480V three‑phase HVAC variable‑frequency drive (VFD) in ABB’s ACH550 family, rated for 23 A and configured in the UH frame (frame 4) for 380–480V service. It is designed for HVAC applications such as fans and pumps, delivering precise speed control and efficiency with embedded BACnet connectivity, two built‑in PID controllers, and tailor‑made HVAC software to streamline setup and operation. Built‑in features include startup assistance, a real‑time clock, fault logger, and harmonic mitigation to improve power quality in HVAC installations, and the variant is available with the B055 option as indicated by the +B055 suffix.
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