Description
The US Motors 1790 is a heavy-duty blower motor engineered for reliable 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: 1/2 HP
- Voltage: 115/208-230 VAC
- Phase: Single Phase
- Amperage: 9.2 A (115V) / 4.6 A (208-230V)
- Speed: 1725 RPM
Mechanical Specifications
- NEMA Frame Size: 56
- Shaft Diameter: 5/8″
- Rotation: Reversible
- Mounting: Resilient Mount
- Bearing Type: Self-Aligning Ball Bearing
Construction & Enclosure
- Enclosure Type: Open Drip Proof (ODP)
- Self-aligning ball bearings for reduced maintenance and extended motor life
- Resilient mount design minimizes vibration transmission to the air handler cabinet
- Reversible rotation provides installation flexibility
Key Features & Benefits
- Dual-voltage capability (115V or 208-230V) for versatile field installation
- 56 NEMA frame ensures direct cross-compatibility with standard OEM and replacement applications
- Open Drip Proof enclosure suitable for indoor, protected environments
- Self-aligning ball bearings reduce friction and extend service intervals
- Resilient mount reduces noise and vibration for quieter system operation
- Reversible shaft rotation adapts to a wide range of blower configurations
Typical Applications
- Residential and commercial air handlers
- Furnace blower assemblies
- Fan coil units
- General HVAC blower duty applications







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