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The Allen-Bradley 150-A68NB-NA, part of the SMC-2 series from Rockwell Automation, is a robust controller designed for three-phase squirrel-cage induction motors. It operates with current ratings from 5 to 97 Amps and supports voltage ranges of 200-230V, 380-460V, and 500-575V, offering versatile starting modes such as soft start, current limit start, and full voltage start. Rated at 68 Amps and capable of delivering 20 to 60 Horsepower or 18.5 to 45 kilowatts at 575 Volts AC, this controller features an energy-saving mode for low or no load conditions and complies with CSA industrial standards, while offering compatibility with several enclosure types and line frequencies.