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The Allen-Bradley 150-A54NBND-8L4 SMC-2 Smart Motor Controller is a sophisticated, solid-state unit designed for efficient control of 3-phase squirrel-cage induction motors. Boasting a compact design, it offers three start modes”Soft, Current Limit, and Full Voltage”alongside advanced protection features such as phase loss and shorted SCR safeguards. With a current rating of 54A and a power capacity of 40HP at 460V AC, this controller ensures optimal performance within a voltage range of 380V to 480V AC and features a built-in energy-saving function for low-load conditions. The unit also includes a 480V AC Line Side protective module with a Metal Oxide Varistor for line surge protection, and it supports direct ON/OFF control through a single-phase control interface, enhanced by programmable auxiliary relay contacts. Encased in an Open Type NEMA enclosure, it is designed for robustness, handling 2.5G vibration and 30G shock, and it maintains reliable operation up to an altitude of 6560ft. Certified by UL, CSA, and CE, the 150-A54NBND-8L4 stands out as a versatile, durable controller suitable for a wide range of industrial applications.