The Allen-Bradley 150-S201NUD controller is a sophisticated solid-state smart motor controller tailored for three-phase motors, integrating advanced features such as overload protection and a rectifier unit to shield against voltage surges. This compact device not only conserves panel space but also boasts energy-saving capabilities that minimize machine downtime. Suitable for both standard and heavy-duty applications, it supports external bypass and provides real-time status updates via a visual indicator on the SMC-50 interface module. With a versatile ambient operating temperature range from 0 to 50 degrees Celsius, it accommodates various industrial environments while offering diverse starting and stopping modes, including torque-controlled ramps and dual ramp start profiles. Enhanced with resistor loads and a battery-backed real-time clock, it offers precise control and event timestamping, complemented by predictive diagnostics and flexible communication options.