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The Allen-Bradley 150-A650NCD is a smart motor controller from the SMC-50 series, ideal for managing motors with power ratings from 5 to 600 Hp and a current rating of 650 A. This versatile unit supports line voltages between 200 to 600 Volts AC and features an open-type enclosure, making it suitable for standard three-phase, squirrel-cage induction motors. Equipped with microcomputer-controlled start modes such as soft start, current limit start, and full-voltage start, the 150-A650NCD can handle both motor operations and resistive load switching efficiently. Integrated dual-purpose LEDs provide operational status updates, enhancing usability without the need for extra panel space or complex setup, making it especially effective for applications requiring extended motor load management.