Schneider Electric DC-AC Converters Frequency inverter 614355 - Schneider Electric ATV630U30N4, The Schneider Electric ATV630U30N4 is a frequency inverter designed for 3 kW, 3-phase systems operating between 380 V to 480 V. It is ideal for efficient motor control in industrial environments, enhancing performance and energy savings. Typical applications include pumps, fans, and other variable speed machinery. Schneider Electric ATV630U30N4 Altivar Drive 3 kW 3-phase 380V-480V