Description
US Motors 3275 PSC Blower Motor Overview
The US Motors 3275 is a heavy-duty permanent split capacitor (PSC) blower motor engineered for reliable, efficient air movement in residential and light commercial HVAC applications. Built around a rugged 48Y NEMA frame, this motor delivers consistent performance in demanding blower and air handler installations.
Key Specifications
- Horsepower: 3/4 HP
- Voltage: 115V AC
- Phase: Single Phase
- Speed: 1075 RPM
- Amperage: 10 Amps
- NEMA Frame Size: 48Y
- Enclosure Type: Open Air Over (OAO)
- Bearing Type: Ball Bearing
- Mount Style: Hub Mount
- Shaft Diameter: 1/2″
- Rotation: Counterclockwise (CCW) — Lead End
- Motor Type: Permanent Split Capacitor (PSC)
Design & Performance Features
- Permanent split capacitor design provides smooth, quiet startup and efficient continuous operation
- Ball bearings deliver long service life and reduced maintenance requirements compared to sleeve-bearing motors
- Open air over (OAO) enclosure allows airflow over the motor for effective cooling in blower applications
- Hub mount configuration simplifies installation in standard blower wheel assemblies
- 1/2″ shaft diameter ensures compatibility with a wide range of blower wheel hubs
- 48Y NEMA frame provides a standardized footprint for straightforward replacement and retrofit installations
- CCW rotation at the lead end suits common furnace and air handler blower configurations
Typical Applications
- Residential and light commercial furnace blower assemblies
- Air handler and fan coil unit replacements
- HVAC blower wheel drive applications requiring 3/4 HP at 1075 RPM
Why Choose US Motors 3275?
US Motors is a trusted name in HVAC motor manufacturing, known for quality construction and long-lasting reliability. The 3275 model is a go-to replacement motor for technicians who need a dependable, spec-matched solution for blower applications. Its PSC design eliminates the need for a separate start capacitor, simplifying the electrical circuit and reducing potential failure points.
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