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The ABB ACH580-01-027A-4 is a dedicated HVAC variable frequency drive designed to provide efficient and reliable motor speed control for larger HVAC equipment. With a 27 A output current rating and 20 HP (15 kW) motor capacity, it is well suited for applications such as large fans, pumps, air-handling units and ventilation systems operating from a 3-phase 380–480 V power supply. Its R3 frame provides a practical wall-mounted configuration for commercial and industrial installations.
The ACH580 series is specifically engineered for HVAC applications rather than being a general-purpose drive adapted for building systems. It provides HVAC-oriented control functions that help simplify commissioning and operation while supporting efficient variable-speed motor control. The drive can be applied to supply and return air fans, ventilation equipment, pumps, cooling systems and other HVAC machinery where controlled motor speed can improve system performance and energy efficiency.
For HVAC contractors, OEMs, system integrators, building automation specialists and maintenance teams, the ACH580-01-027A-4 ABB HVAC drive offers a reliable solution for variable-speed motor control. The 20 HP / 27 A model provides higher-capacity control within the ACH580 wall-mounted range and uses an R3 frame size. When replacing an existing drive, it is important to verify the complete type code, supply voltage, motor power, output current and enclosure requirements to ensure the correct drive is selected.