The Schneider Electric Altivar 71 Drive – ATV71HD11N4Z is an industrial-grade variable-speed drive (VFD) engineered for high-performance motor control of three-phase AC motors. It belongs to the Altivar 71 series, which offers advanced motor control features, flexible configuration, and robust protection for complex machines and demanding applications such as conveyors, pumps, fans, compressors, and other industrial equipment. The drive integrates an EMC filter, supports multiple control modes including sensorless flux vector and full vector control, and provides a wide adjustable frequency range for precise speed regulation.