Variable Frequency Drive Max HP 7.5 NEMA 1 Enclosure 480VAC Input Voltage Max Output Amps 12 480VAC Output Voltage Input Phase AC 3 Output Phase AC 3 No Bypass No Line Contactor Starting Torque 150 Percent Torque @ 1 Hz 110 Percent Input Frequency 50/60 Hz Output Frequency Range 0 to 320 Hz Adjustable Acceleration Time 0.1 to 3000 sec. Adjustable Deceleration Time 0.1 to 3000 sec. Height 12.89 In. Width 5.04 In. Depth 7.77 In.