The Century A.O. Smith H755 Square Flange 3HP Three Phase Single Speed 56Y Replacement Pump Motor, 208-230/460V for Pentair/Pac Fab Pumps offers the power and aggression expected of sophisticated replacement motors. Its ball bearings promise a long-lasting lifespan, and its Class B Insulation prevents meltdowns and overheating. Available in Three Phase and Single Phase models, it contains open drip-proof technology for reliable water damage protection, implementing ventilation openings that guard against water entrance. At 60Hz, Century A.O. Smith Replacement Pump Motors for Pentair/Pac Fab operate at 3HP-5HP and 3450 RPM.