Allen-Bradley 25B-D1P4N104 PowerFlex 525 AC Drive

The Allen-Bradley 25B-D1P4N104 PowerFlex 525 AC drive is a 0.4 kW (0.5 HP) three-phase variable-frequency drive that precisely controls speed and torque for compact automation equipment, enabling smoother motor starts, tighter process control, reduced mechanical wear, and energy-efficient operation in small conveyor systems, pumps, fans, and other low-horsepower applications. It accepts 480 V AC input, provides a 1.4 A output on three phases, and supports both V/Hz and sensorless vector control across a 0–400 Hz range, all housed in an IP20 / NEMA Type Open enclosure designed for panel mounting in compact control cabinets. Common applications include manufacturing plants, HVAC systems, water treatment facilities, and light-industrial machinery where precise speed modulation of fractional-horsepower motors is needed, and as part of the PowerFlex 525 family from Allen-Bradley (Rockwell Automation) it has compatible replacements including Allen-Bradley 25A-D1P4N104 to support machine builders and maintenance teams during upgrades or part swaps.