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The Allen-Bradley 150-B54NBD SMC Dialog Plus controller is a versatile smart motor controller designed to manage low voltage motors with a wide operating range, supporting control voltages from 100 to 240 Volts AC and input voltages from 240 to 460 Volts AC. With a handling capacity of 54 Amperes and 40 Horsepower, this controller offers essential modes of operation for effective speed and braking control. The controllers user-friendly features include a backlit LCD for status display and programming either via keypad or remotely through a handheld interface. Built-in metering components provide real-time data on current, power, and motor thermal capacity, while SCANport communication ensures compatibility with Allen-Bradleys remote input/output modules. Offering integrated protective measures against overload and faults, and allowing for 2- and 3-wire control, the 150-B54NBD model facilitates easy setup with its design optimized for straightforward installation, eliminating the need for an isolation contactor and supporting seamless operation with additional components like a fanning strip and converter module for current rebalancing.