Description
The US Motors 5461 is a versatile multi-horsepower blower motor engineered for reliable HVAC air-handling applications. Designed with a wide range of horsepower selections and a four-speed configuration, this motor delivers the flexibility contractors and technicians need to match airflow requirements across a variety of residential and light commercial systems.
Motor Overview
Built on a 48 NEMA frame, the 5461 features an open air-over (OAO) enclosure that allows the airstream to cool the motor during operation — ideal for direct-drive blower applications where the motor sits in the airflow. The self-aligning sleeve bearing design minimizes maintenance requirements while providing smooth, quiet operation over the long term.
Electrical Specifications
- Voltage: 208–230V AC, Single Phase
- Speed: 1075 RPM, 4-Speed
- Horsepower: 1/2 – 1/3 – 1/4 – 1/5 – 1/6 HP (multi-HP)
- Amperage: 3.6 / 6.9 / 5.5 / 3.6 / 2.8 Amps (speed-dependent)
Mechanical Specifications
- NEMA Frame Size: 48
- Enclosure Type: Open Air Over (OAO)
- Bearing Type: Self-Aligning Sleeve Bearing
- Shaft Diameter: 1/2″
- Rotation: Reversible
- Mounting: Ring or Stud Mount
Key Features
- Multi-horsepower design (1/2 through 1/6 HP) for broad application compatibility
- Four-speed operation allows precise airflow and static pressure matching
- Reversible rotation provides installation flexibility
- Ring or stud mounting options accommodate a wide range of blower housings
- Self-aligning sleeve bearing for quiet, low-maintenance performance
- Open air-over enclosure optimized for direct-drive blower use
- 208–230V single-phase input suits standard residential and light commercial power supplies
Application
The US Motors 5461 is a direct replacement blower motor suitable for furnaces, air handlers, and fan coil units requiring a 48-frame, multi-speed, single-phase motor. Its multi-HP rating and reversible rotation make it a convenient stock item for HVAC service technicians looking to minimize inventory while maximizing coverage across equipment brands and models.
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