Energy efficient permanent split capacitor motors feature electrically reversible rotation. Automatic overload protection helps prevent overheating for safety. Provides up to 1075 RPM. 1/2" shaft. Available with 48 or 48Y frame. Choose between Ball Bearing or Sleeve Bearing motor types. 4-in-1 Motors replace hundreds of most popular 48-frame condenser fan motors currently installed with one simple connection. Totally enclosed for long life. 36L lead. Class B insulation.