Technical Parameters (Specifications) Parameter Value Unit / Details Manufacturer Emerson (formerly US Motors) Catalog Number K025S172NZTI16FBZMZZZZ HP (Horsepower) 1/4 (0.25) HP RPM (Speed) 1725 Revolutions per Minute (nominal full load speed) Voltage 115/208-230 Volts (Dual Voltage - field selectable via wiring) Hz 60 Hertz Phase 1 ~ Single Phase Full Load Amps (FLA) 4.4/2.2 (typical) Amps (High/Low Voltage - verify on nameplate) Frame Size 56 NEMA Frame (standard dimensions) Service Factor (SF) 1.25 Capacitor Required - Start Capacitor Specific µF rating on nameplate (typically 130-150 µF) Capacitor Voltage 330V (typical) Volts (Start Capacitor) Shaft Diameter 5/8 Inch Shaft Extension 1 7/8 Inch (from shoulder) Shaft Keyway 3/16 x 3/16 Inch (standard square keyway) Shaft Tapped Hole 1/4-20 UNC (tapped center for component retention) Bearings Ball Bearings Sealed, permanently lubricated (DE and ODE) Rotation Reversible Standard rotation counterclockwise facing shaft (field reversible) Enclosure Type TEFC Totally Enclosed Fan Cooled Mounting Rigid Base Standard NEMA 56 frame base (adjustable or fixed) Insulation Class Class F High-temperature rating (155°C) Duty Cycle Continuous Rated for continuous operation Thermal Protection Automatic Reset Protects against overheating from overload or stall Ambient Temperature -20°C to +40°C Standard operating range Approximate Weight 25-30 lbs (11-14 kg) typical