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The Allen-Bradley 20G11ND125JA0NNNNN variable speed drive is expertly designed for both AC and DC voltage applications, rated at 480 Volts AC and 650 Volts DC, suitable for 3-phase and deratable for single-phase use. With a stellar efficiency rating of 97.5%, it offers precise control of motor speed and torque while enhancing motor longevity and operational safety, thanks to its integrated safety features, including safe torque-off and speed monitoring. Robust protection mechanisms against overcurrent, overvoltage, and undervoltage, paired with a durable enclosure designed for wall mounting, ensure reliable performance within an air temperature of up to 50 degrees Celsius and a humidity range of 5 to 95% non-condensing, operating optimally at altitudes up to 1000 meters.