Schneider Electric's Altivar ATV312HU40N4 is a 4 kW (approximately 5 HP) variable speed drive designed to control three-phase motors from a 380–500 V AC supply, delivering a 9.2 kVA apparent power rating. As part of the Altivar 312 family, it provides adjustable speed and torque for general purpose motor-control tasks in industrial equipment. Schneider Electric lists the ATV320U40N4C as the replacement for ATV312HU40N4, reflecting official substitution guidance across regions.
