Volkmann 71139AA Adjustable Frequency AC Drive

The Volkmann 71139AA Adjustable Frequency AC Drive provides precise motor speed and torque control for three‑phase industrial motors, enabling smooth acceleration and deceleration and more consistent process performance. It is a 460 VAC input, three‑phase variable frequency drive (VFD) rated at 15 HP with an output frequency range of 0–300 Hz, designed to optimize energy use in conveyors, pumps, fans, compressors, and automated production equipment. As an OEM replacement component, it supports industrial motor control systems seeking reliable, adjustable operation and improved efficiency in equipment servicing and preventive maintenance programs.