Allen-Bradley 25B-D043N114 PowerFlex 525 AC Drive

The Allen-Bradley 25B-D043N114 PowerFlex 525 AC Drive is a three‑phase variable frequency drive (VFD) used to control speed and torque of AC motors in industrial automation. Rated for 15 HP with 240 V AC input and 43 A output in a panel-mountable Frame E package, this IP20/NEMA Open drive supports 0–400 Hz and is designed for reliable speed regulation. It employs V/Hz and sensorless vector control to deliver smooth acceleration and energy-efficient operation in conveyor systems, pumps and compressors, mixers, packaging machinery, and automated production lines. Common replacements include Allen-Bradley 25B-D037N114 within the PowerFlex 525 family.