Sprecher + Schuh PFB-0251-FCD56D17 PFB series softstarter with integrated pump control for three-phase AC motors. Rated 251A, suitable for motors up to 250 HP @ 575V. Combination fusible disconnect configuration in NEMA Type 12 enclosure. Includes pilot light and HOA selector switch. The PFB pump control function provides soft-fill (slow start), undercurrent/overcurrent detection, and dry-run protection for centrifugal pump applications. Features adjustable ramp-up/ramp-down times, current limiting, and comprehensive motor protection (overload, phase loss, phase reversal, locked rotor). Integral bypass contactor reduces heat generation during steady-state operation. Meets IEC 60947-4-2, UL 508 Listed and CSA Certified. Ideal for water/wastewater pumping, HVAC chiller pumps, irrigation systems, and industrial pump applications requiring water hammer prevention and pump protection.