ariable Frequency AC Drive (Inverter), Series: Commander SK, Input Supply Voltage: 380 to 480 VAC, three-phase, Input Frequency: 50/60 Hz, Normal Duty Rating: 22 kW (30 HP) motor power, 43 A output current, High Overload Rating: 18.5 kW (30 HP) motor power, 40 A output current, Control Modes: Open Loop Vector Control, V/Hz (Volts per Hertz) Control, IP Rating: IP20