The Allen-Bradley 150-C251NCR is a sophisticated SMC-3 Smart Motor Controller designed to enhance motor performance with features such as integral bypass, comprehensive overload protection, and advanced motor diagnostics. Ideal for industrial applications such as pumps, mixers, and conveyor belts, this soft starter motor controller offers four operation modes: Soft Start, Current Limit Start, Kick Start, and Soft Stop. Rated at 251A and compatible with 200-600V AC at a frequency of 50-60 Hz, it is equipped to handle challenging environments up to Pollution Level 2. The controller features a clear LED indicator panel for fault detection including overload and phase imbalances, a built-in test/reset button, and ESD immunity up to 8 kV. Its open-type design is Delta compatible, focusing on easy access and safety in industrial settings.