Sprecher + Schuh PCS-251-BBD54D PCS series softstarter for three-phase AC motors. Rated 251A, suitable for motors up to 200 HP @ 460V. Combination MCCB configuration in NEMA Type 12 enclosure. Features adjustable acceleration/deceleration ramp times, current limiting, and comprehensive motor protection including overload, phase loss, phase reversal, and locked rotor detection. Integral bypass contactor reduces heat generation during steady-state operation. Meets IEC 60947-4-2, UL 508 Listed and CSA Certified. Ideal for fans, compressors, conveyors, pumps, and general industrial motor starting applications requiring reduced inrush current and mechanical stress.