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The Allen Bradley SMC Dialog Plus 150-B500NBDA is a robust smart controller designed for applications demanding up to 500 Amps and accommodating 4 to 400 Horsepower at a 460 Volt AC input. It features advanced motor starting and soft stop modes, ideal for managing frictional loads with customizable ramp-down times from 0 to 60 seconds. This device supports a 3-phase input voltage range of 200 to 460 Volts AC and control module voltage of 100 to 240 Volts AC, while integration with an HMI keypad and an LCD display allows enhanced control and connectivity through various optional communication modules. The 150-B500NBDAs compact form factor, measuring 588 x 508 x 311 mm and weighing approximately 40.8 kg, incorporates a heatsink fan to manage heat dissipation efficiently, maintaining its function under operational environments with a vibration rating of 1.0G and a shock rating of 15G.