IRIS BLUE+ variable frequency drive for V/F or sensorless vector control, three-phase 380–480 Vac (+10% / -15%) 50/60 Hz power supply. IP00 / NEMA 0 open chassis enclosure. Data based on standard 4-pole IE2 motors. Rated power 250 kW (340 HP) Light Duty, nominal current 445 A, maximum current 560 A, peak current 672 A.