SINUS S Power Unit variable frequency drive module for V/F or sensorless vector control with common DC bus architecture (450–750 Vdc). Designed for three-phase 380–480 Vac supply (-15% / +10%) 45–65 Hz. Rated power 4 kW Heavy Duty @45°C and 5.5 kW Light Duty @40°C, rated output current 9.5 A (HD) / 11.9 A (LD) with overload current 14.3 A (60 s). Mains choke is mandatory.