SINUS H IP20 variable frequency drive for V/F or sensorless vector control, 3-phase 200–240 Vac (+10% / -15%) 50/60 Hz power supply, no built-in EMC filter. Rated power 5.5 kW (7.5 HP) Normal Duty / 4 kW (5.4 HP) Heavy Duty, nominal current 18 A, overload capacity 120% (21.6 A) / 150% (25.5 A).