Variable Frequency Drive Max HP 7-1/2 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 200 Percent Torque @ 1 Hz 100 Percent Input Frequency 50/60 Hz Output Frequency Range 0 to 320 Hz Adjustable Acceleration Time 0 to 3000 sec. Adjustable Deceleration Time 0 to 3000 sec. Dynamic Braking Internal Brake Chopper Circuit Height 12.9 In. Width 5 In. Depth 7.5 In.