Allen-Bradley 20G11ND027AA0NNNNN AC Variable Frequency Drive

PowerFlex 755 AC Drive, model 20G11ND027AA0NNNNN, is an open-type, air-cooled variable-frequency drive designed for 480 VAC three-phase power. Packaged in Frame 3, it draws 27 A at input and provides a 20 HP output in the normal-duty (ND) configuration (15 HP in the heavy-duty HD variant within the PF755 family). The unit carries IP20/IP00 protection for open installations and uses 480 VAC, 3‑phase input topology typical of PF755 drives. As part of Allen-Bradley’s PowerFlex 755 portfolio, it delivers robust motor control with configurable protection and drive logic suitable for industrial applications requiring precise speed control of AC motors in 480 V systems.