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The Allen-Bradley 150-B180NBD-8L is a robust SMC Dialog Plus controller designed for demanding industrial applications. It operates with a control voltage of 100 to 240 Volts AC and supports an input line voltage range of 200 to 460 Volts AC, accommodating three-phase power systems. Featuring a horsepower rating of 5 to 150 HP and an amperage rating of 180 Amps, this line-mounted protective module is enclosed in an open type housing and functions effectively with both 50 and 60 Hertz frequencies. Key safety considerations include ensuring full power disconnection before servicing, as hazardous voltages may be present even when the controller is off, and avoiding single-phase motor connections to prevent overheating, emphasizing the need for installation by qualified professionals.