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The Allen-Bradley 150-A24NCDB is a versatile solid-state motor controller from the SMC-2 Series that provides compact, multi-functional control for standard three-phase squirrel cage induction motors and resistive loads. It features three operating modes: Soft Start, Current Limit Start, and Full Voltage Start, along with an energy-saving capability for applications with variable loads. With a rated current of 24 Amps and an open enclosure, this controller includes a diagnostic LED that alerts users to issues such as Shorted SCRs, Phase Losses, or a Stalled Motor. Designed for seamless integration with electromechanical starters, it offers easy installation and retrofit capabilities. Furthermore, an optional protection module with a Metal-Oxide Varistor safeguards against line surges, enhancing its reliability in environments with temperature ranges between 0 to 50 degrees Celsius and humidity levels of 5 to 95% non-condensing.