Schneider Electric ATV18U54N4 Variable Frequency Drive

The Schneider Electric ATV18U54N4 Altivar 18 variable frequency drive delivers precise three-phase motor speed control for industrial equipment with a 3 kW (4 HP) rating, regulating the speed and torque of three-phase asynchronous motors. It accepts 380–460 V AC three-phase input and provides 380–460 V AC three-phase output up to 7.1 A, with a 50/60 Hz supply and an adjustable output frequency from 0.5 to 320 Hz, and has Type 1 (IP20 equivalent) protection for panel-mounted installations. Common applications include conveyors, centrifugal pumps, ventilation equipment, compressors, and material handling systems in manufacturing lines where precise motor control and energy efficiency are essential. The ATV18U54N4 is part of Schneider Electric's Altivar 18 family and is targeted at maintenance teams, OEMs, and system integrators for equipment replacement, machine retrofits, energy efficiency upgrades, and new industrial motor control installations.