Sprecher + Schuh PFB-0135-600V-024 PFB series softstarter with integrated pump control for three-phase AC motors. Rated 135A, suitable for motors up to 40 HP @ 200V / 50 HP @ 230V / 100 HP @ 460V / 125 HP @ 575V. The pump control function provides soft-fill, undercurrent/overcurrent detection, and dry-run protection. Features adjustable ramp 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, and irrigation systems.