Description
The US Motors 4748 is a heavy-duty permanent split capacitor (PSC) blower motor engineered for reliable, efficient performance in residential and light commercial HVAC air-handling applications. Designed with versatility in mind, this motor features dual-voltage capability and reversible rotation, making it an ideal direct replacement or upgrade for a wide range of blower assemblies.
Key Features
- Permanent Split Capacitor (PSC) motor design for smooth, energy-efficient operation
- Dual voltage rated at 115/230V AC for flexible installation
- Single-phase power supply compatibility
- 1,650 RPM operating speed for consistent airflow delivery
- 1/2 HP output power
- 8.0 / 4.0 amp draw (115V / 230V respectively)
- 48YZ NEMA frame size for standardized mounting compatibility
- Open Air Over (OAO) enclosure for effective motor cooling in airstream applications
- Ball bearing construction for long service life and reduced maintenance
- Stud mount configuration for secure, vibration-resistant installation
- 5/8″ shaft diameter for broad drive compatibility
- Reversible rotation allows clockwise or counterclockwise operation to suit various blower configurations
Specifications
- Brand: US Motors
- SKU: 4748
- Horsepower: 1/2 HP
- Voltage: 115/230V AC
- Phase: Single Phase
- Speed: 1,650 RPM
- Amperage: 8.0A (115V) / 4.0A (230V)
- NEMA Frame: 48YZ
- Enclosure Type: Open Air Over (OAO)
- Bearing Type: Ball Bearing
- Mount Type: Stud Mount
- Shaft Diameter: 5/8″
- Rotation: Reversible
- Motor Type: Permanent Split Capacitor (PSC)
Application
The US Motors 4748 blower motor is well-suited for use in furnace air handlers, fan coil units, and other forced-air HVAC systems where dependable airflow and long-term motor reliability are essential. Its open air-over enclosure design ensures the motor stays cool when mounted in the airstream, while ball bearings provide quieter operation and extended service intervals compared to sleeve-bearing alternatives.
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