U.S. Motors 4749 Direct Drive Fan & Blower Motor
This U.S. Motors Cat. No. 4749 (Model K55HXEAE-7161) is a 1/2 HP single-phase direct drive ventilation blower motor. Operating at 1100 RPM with dual-voltage 115/230V AC capability, it features an Open Air Over (OAO) enclosure, stud mounting, continuous duty rating, auto thermal protection, and an included top-mounted capacitor.
Inspection & Quality Notes:
We have inspected this item and we do not have the capability to fully test it. This unit needs to be hardwired and should be installed by a professional. The motor shaft spins when turned by hand. There are some cosmetic scuffs and scratches throughout the unit. Please refer to the photos for more information.
This unit only includes what is photographed in the listing.
Technical Specs
| Item | Direct Drive Blower Motor |
| Manufacturer Part Number | 4749 |
| Mounting Type | Stud |
| Motor Design | Permanent Split Capacitor |
| Motor Enclosure Type | Open Air Over |
| Number of Speeds | 1 |
| Nameplate Horsepower @ 60 Hz | 1/2 hp |
| Nameplate RPM @ 60 Hz | 1,100 RPM |
| Nameplate Voltage @ 60 Hz | 115/230V AC |
| Frequency | 60 Hz |
| Full Load Current @ 60 Hz | 6.2/3.1 A |
| Phase | Single |
| Frame Size | 48YZ |
| Motor Thermal Protection | Auto |
| Nameplate Service Factor @ 60 Hz | 1 |
| Body Diameter | 5.6 in |
| Insulation Class | B |
| Motor Shaft Rotation | CW/CCW |
| Shaft Diameter | 5/8 in |
| Shaft Length | 3-1/4 in |
| Length Less Shaft | 6-9/16 in |
| Ambient Temperature - Maximum | 40 °C |
| Bearing Type | Ball |
| Overall Length | 9-13/16 in |
| Product Type | Fan and Blower Motor |
| Weight | 22.22 lb |
| Mounting Position | Horizontal |
| Sub Application | General Purpose |
| Frame Material | Steel |
| Wattage | .4 W |
| Nominal Efficiency | 67 % |