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The Allen-Bradley 150-A09NB-C1-8L4 is an advanced open solid-state controller from the SMC-2 Smart Motor Controller series, optimized for effective management of standard three-phase squirrel-cage induction motors. This unit, rated at 9 Amperes, operates on an input power range of 380 to 480 Volts AC and includes a protective module with metal oxide varistors (MOVs) and snubbers for enhanced reliability. It features three start modes, including an optional soft stop and energy-saving functions, along with digital adjustments, advisory LEDs, and electronic overload protection. The 150-A09NB-C1-8L4 also supports selectable kickstart and coast-to-rest modes and is configured to offer both series and motor controller modes with interface options, ensuring versatile and compact operation.