Allen-Bradley 22C-D208A103 PowerFlex 400 AC Drive

The Allen-Bradley 22C-D208A103 PowerFlex 400 AC Drive is a 110 kW (150 HP) variable-frequency drive designed to provide precise speed control for three-phase AC motors in fan and pump applications. It is commonly used in HVAC systems, cooling towers, water and wastewater treatment facilities, and large industrial ventilation to regulate motor speed and improve energy efficiency, with built-in PID control and RS485 (Modbus RTU) communication for seamless automation integration. Key specs include 480 V AC three-phase input, 208 A output, 50–60 Hz operation, V/Hz control with PID, IP30/NEMA Type 1 enclosure, frame F, panel-mount, and an integral keypad with LED display; it also delivers a power factor of 0.98. Common replacements for this model include Allen-Bradley 22C-D170A103, 22C-D310A103, and 22C-D045A103.