U.S. Motor/Marathon General Purpose Electric Motor, Three (3) Phase
The U.S. Motor/Marathon Electric Motor is a reliable and high-performance three-phase motor designed for demanding industrial applications. Featuring a Totally Enclosed Fan-Cooled (TEFC) design, this motor ensures optimal cooling and protection against dust, dirt, and moisture. With a rigid base and NEMA Design B construction, it operates efficiently at 230/460V AC, running at 1800 RPM (4P rated). The motor is built with Class F insulation, making it durable and suitable for continuous-duty applications. Its 1.15 service factor provides additional power capacity when needed.
Key Features:
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Three-Phase Operation – Ensures smooth and efficient power delivery.
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Totally Enclosed Fan-Cooled (TEFC) Design – Protects against dust and moisture for enhanced durability.
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Class F Insulation – Provides excellent thermal protection and longevity.
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Rigid Base Construction – Ensures secure mounting and stability.
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NEMA Design B – Offers high starting torque with low starting current.
- Multiple Horsepower Options – Available from ½ HP to 10 HP to suit various industrial needs.
This U.S. Motor/Marathon Electric Motor is ideal for heavy-duty machinery, pumps, compressors, and other industrial applications where reliable performance is essential.
- UL recognized component listing and CSA certification ensures the product is safe for use within a variety of applications.
- Continuous duty cycle design allows maximum operation at the rated power specifications.
- Class B or F Insulation protects motor for a maximum temperature rating.
- Permanently lubricated, double-sealed bearings extend the lifetime of the motor.
- Assembled in Mexico
Specification:
| H.P. | Catalog No. | Frame No. | Shaft | Service Factor (S.F.) |
|---|---|---|---|---|
| 1/2 | G321/K158 | 56 | 5/8" | 1.15 |
| 1.0 | H701/E950 | 143T | 7/8" | 1.15 |
| 2.0 | H707/E952 | 145T | 7/8" | 1.15 |
| 3.0 | H433/U607/GT1010 | 182T | 1-1/8" | 1.15 |
| 5.0 | H434/L909/E954/GT1013 | 184T | 1-1/8" | 1.15 |
| 7.5 | H436/L910/U629/GT1016 | 213T | 1-3/8" | 1.15 |
| 10 | H436/L911/E1956 | 215T | 1-3/8" | 1.15 |