The Allen-Bradley 150-C25NBD is a highly reliable SMC-3 Smart Motor Controller (Soft Starter) designed for the smooth starting, stopping, and protection of 3-phase AC motors. Operating with a line voltage range of 200V to 480V AC and a control voltage of 100V to 240V AC, this Series B controller delivers robust performance for demanding industrial applications. It features built-in electronic motor overload protection with an adjustable dial, supporting both standard 3-Wire (up to 25.0A) and Inside-the-Delta (up to 43.0A) configurations. To maximize uptime and simplify troubleshooting, the unit is equipped with comprehensive LED status indicators for rapid fault diagnostics, including overload, over-temperature, phase reversal, phase loss, and phase imbalance.