Nidec Variable High Frequency AC Drive / Servo Drive - Input Phase 3, Supply Voltage 380/480 V ac, 2 hp Normal Duty, Output Current 4.5 A Normal Duty, IP 21 Rating, 50/60 Hz, Frequency Control, Open Loop Vector Control, Rotor Flux Control, Closed Loop Induction Motor Control, Permanent Magnet Motor Control, Regenerative Control, Servo Control