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K050S172 | Emerson Industrial Control Valve | In Stock

The Emerson K050S172 series is a rugged, industrial-duty, single-phase motor designed for the most demanding continuous-duty applications. Part of Emerson's prestigious K-Series line, this motor is engineered to provide reliable starting torque and consistent operation in environments where standard motors fail. It is ideally suited for applications such as compressors, pumps, conveyors, material handling equipment, machine tools, and agricultural machinery requiring a 1/2 HP, 1725 RPM power plant. The K-Series construction features heavy-gauge steel frames, cast iron end shields, and a Totally Enclosed Fan Cooled (TEFC) enclosure to withstand dust, moisture, and harsh industrial conditions.

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Parameter Typical Value Unit / Details Manufacturer Emerson (formerly US Motors) Series / Base Model K050S172 (Incomplete model - for reference only) HP (Horsepower) 1/2 (0.5) HP RPM (Speed) 1725 Revolutions per Minute (nominal full load speed) Voltage 115/208-230 (most common) Volts (Dual Voltage - field selectable) Hz 60 Hertz Phase 1 ~ Single Phase Full Load Amps (FLA) ~9.8/4.9 (typical) Amps (High/Low Voltage - varies by exact spec) Frame Size 56 or 56H NEMA Frame Service Factor (SF) 1.25 (typical) Capacitor Required - Start Capacitor Specific µF rating on nameplate (typically 200-300 µF range) Shaft Diameter 5/8" Inch Shaft Extension 1 7/8" Inch Shaft Keyway 3/16 x 3/16" Inch (standard) Bearings Ball Bearings Sealed, permanently lubricated Rotation Reversible Standard rotation counterclockwise facing shaft (field reversible) Enclosure Type TEFC Totally Enclosed Fan Cooled Mounting Rigid Base Standard NEMA base mounting Insulation Class Class F or Class B High-temperature rating Duty Cycle Continuous Thermal Protection Automatic Reset