Product Description
The U.S. Motors 1789 is a robust belt drive motor designed for single-phase applications. This motor supports 1/3 HP and operates at speeds of 1725 and 1425 RPM. It is constructed with a 48 frame and operates at 230V AC, making it ideal for various HVAC and blower operations.
- Suitable for HVAC and blower applications
- Continuous duty cycle
- Includes auto thermal protection
Product Highlights
The U.S. Motors 1789 belt drive motor is designed for continuous duty and features a robust steel frame. It includes auto thermal protection and operates within a 104-degree Fahrenheit max ambient temperature. Ideal for horizontal mounting positions.
Product Information
Standard Information
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Brand: U.S. Motors
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MPN: 1789
Technical Specifications
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Item: Belt Drive Motor
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HP: 1/3
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RPM Range: 1,701-1,800
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Voltage: 230V AC
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Phase: Single
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Motor Design: Split-Phase
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Nameplate RPM: 1,725/1,425
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Body Diameter: 5 3/5 inches
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Shaft Diameter: 1/2 inch
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Shaft Length: 1 281/500 inches
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Motor Frame Material: Steel
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Ins. Class: A
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Full Load Amps: 2.9
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No. of Speeds: 2
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Max. Ambient Temp.: 104 Degrees F
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Motor Shaft Rotation: CCWLE
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Motor Enclosure Design: Open Dripproof
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Motor Mounting Type: Cradle Base
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Motor Mounting Position: Horizontal
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Duty Cycle: Continuous
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Nominal Efficiency: 64.6%
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Extended Thru-Bolts: Yes
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Usable @ 200V: No
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Usable @ 208V: No
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Motor Bearings: Ball
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Overall Length: 10 43/100 inches
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Length Less Shaft: 8 7/8 inches
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Resilient Ring Diameter: 2 1/2 inches
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Ring to Ring Center: 4 3/16 inches
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Motor Service Factor: 1.35
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Motor Shaft Design: Flat
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Motor Sub Application: Belt Drive Fans/Blowers
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Motor Application: HVAC/R
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Voltage Compatibility: 115/200-230V AC, 115/208-230V AC, 115/230V AC, 120/240V AC, 200-230/440V AC, 200-230/460V AC, 208-220/440V AC, 208-230/277V AC, 208-230/460V AC, 230V AC, 240V AC, 277/230V AC
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Includes Shaft Bushing: No
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Manufacturers Warranty Length: 1 yr
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Country of Origin (subject to change): Mexico
