Description
US Motors 4746 Blower Motor Overview
The US Motors 4746 is a heavy-duty permanent split capacitor (PSC) blower motor engineered for reliable, efficient performance in residential and light commercial HVAC air-handling applications. Built to exacting standards, this motor delivers consistent airflow and long service life in demanding environments.
Electrical Specifications
- Horsepower: 1/3 HP
- Voltage: 115V AC
- Phase: Single Phase
- Amperage: 4.4 Amps
- Motor Type: Permanent Split Capacitor (PSC)
Mechanical Specifications
- Speed: 1100 RPM
- NEMA Frame Size: 48YZ
- Enclosure Type: Open Air Over (OAO)
- Bearing Type: Ball Bearing
- Mounting Style: Stud Mount
- Shaft Diameter: 5/8″
- Rotation: Clockwise (CW) from Lead End
Key Features & Benefits
- Permanent split capacitor design for smooth, quiet operation and improved energy efficiency
- Ball bearing construction provides extended motor life and reduced maintenance requirements
- Open air over enclosure allows for effective cooling in forced-air applications
- Stud mount configuration simplifies installation and replacement in blower assemblies
- 5/8″ shaft diameter ensures compatibility with a wide range of blower wheels and pulleys
- 48YZ NEMA frame size for straightforward cross-referencing and replacement
- Clockwise rotation from lead end — verify rotation requirement before installation
Typical Applications
- Residential and commercial air handlers
- Furnace blower assemblies
- Fan coil units
- HVAC blower replacement applications requiring 48YZ frame motors
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