Allen-Bradley 22A-A4P5N104 Variable Frequency Drive

PowerFlex 4- 0.75 kW (1 HP) AC Drive, model 22A-A4P5N104 from Allen-Bradley/Rockwell Automation, is a compact 240 V variable frequency drive designed for single-phase input motor control on small to mid-size machines. It delivers up to 4.5 A output on a 1‑phase supply and comes in a Frame Size A, panel‑mount IP20 enclosure with an LED display and fixed digital keypad for direct setup, plus RS485 communication for basic industrial networking. This NEMA/UL Open type drive features no CE compliant filter and is intended for straightforward speed control in 240 V systems, making it suitable for applications such as conveyors, fans, and small pumps. As of June 30, 2025, Rockwell has discontinued this variant and directs customers to the engineering replacement 25A-A4P8N104.