Marathon 20hp 1768rpm 230/460v256T TEFC - GT1025A
The Marathon GT1025A is a 20 horsepower electric motor designed for continuous duty applications. This model features a Totally Enclosed Fan Cooled (TEFC) enclosure, ensuring protection from dust and moisture. Operating at one thousand seven hundred sixty-eight RPM, it meets NEMA Premium efficiencies and complies with EISA 2007 standards.
- Power: 20 HP
- Voltage: 230/460 volts
- Service factor: 1.15
This 3-phase motor is ideal for industrial applications such as powering pumps, conveyors, and other heavy machinery.
Specifications
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Brand: Regal Rexnord - Marathon
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MPN: GT1025A
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Frame Size: 256T
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RPM: 1768
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Phase: Three
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Weight: 285 lbs
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Shaft Diameter: 1.625 inches
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Shaft Length: 4.0 inches
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Insulation Class: F
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Enclosure Type: TEFC
What Our Experts Think
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1/4 HP DC gearmotor engineered for precision and reliability.
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90V DC power delivers efficient, consistent torque.
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TENV (Totally Enclosed Non-Ventilated) enclosure protects against dust and debris.
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Built-in gear reduction provides controlled speed and smooth operation.
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Ideal for conveyors, packaging equipment, and automation systems.
Q&A
Q: What is the horsepower of this gearmotor?
A: 1/4 HP, suitable for light to medium-duty applications.
Q: What does TENV mean?
A: Totally Enclosed Non-Ventilated — protects motor without external cooling fans.
Q: Where can this gearmotor be used?
A: Great for conveyors, automation systems, and machinery requiring torque control.
Maintenance Tips
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Keep motor free from dust and debris to ensure smooth operation.
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Lubricate gears per manufacturer’s schedule.
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Regularly check wiring and connections for wear.
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Avoid overloading the motor to maximize service life.
