Marathon GT1025A 20hp 1768rpm 230/460v256T TEFC - GT1025A

Marathon GT1025A 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.

Product Highlights

This 3-phase motor is ideal for industrial applications such as powering pumps, conveyors, and other heavy machinery.

Features

• Power: 20 HP
• Voltage: 230/460 volts
• Service factor: 1.15

Specifications

What our Experts Think

• 20 HP Power: Provides high-performance output for demanding industrial applications such as large pumps, compressors, and heavy-duty machinery.

• 1768 RPM Speed: Delivers consistent torque with smooth, efficient operation for continuous-duty tasks.

• TEFC Enclosure: Totally Enclosed Fan Cooled design offers superior protection against dust, dirt, and moisture, ensuring longevity and reliability.

• 230/460V 3-Phase: Efficient power distribution for large-scale industrial environments, offering both stability and energy savings.

• 256T Frame: Standardized frame size ensures easy installation and compatibility with existing systems.

Q&A

Q: What is the Marathon GT1025A?
A: The GT1025A is a 20 HP, 1768 RPM, 3-phase industrial motor with a TEFC (Totally Enclosed Fan Cooled) enclosure and dual voltage (230/460V) for reliable, high-efficiency performance in demanding applications.

Q: What are the key features?
A: 20 horsepower, 1768 RPM, 230/460V dual voltage, TEFC design for maximum protection against dust, moisture, and contaminants, and a 256T frame for versatile mounting.

Q: Where is this motor typically used?
A: Ideal for heavy-duty industrial applications such as pumps, compressors, conveyors, and large fans that require consistent, powerful performance.

Q: Why choose the GT1025A model?
A: It offers robust power, reliable operation, and maximum protection with its TEFC design, making it perfect for high-demand, continuous-duty industrial applications.

Q: Is the GT1025A motor energy-efficient?
A: Yes, the motor is designed for optimal energy use, delivering powerful performance while helping to reduce operational costs. 

Maintenance Tips

• Keep the motor clean to ensure proper cooling, especially around the TEFC (Totally Enclosed Fan Cooled) housing. Clean vents regularly to avoid blockage.

• Lubricate bearings according to the manufacturer's specifications to ensure smooth operation and reduce wear.

• Verify voltage supply (230/460V) to ensure the motor operates efficiently and prevents overloading or underperformance.

• Check mounting and alignment of the 256T frame to ensure it is securely attached and properly aligned to prevent vibration.

• Monitor the motor for unusual noise, heat, or vibration as these could indicate potential issues with the motor or bearings.

• Inspect electrical connections and tighten them periodically to prevent overheating, arcing, or faults.

• Test insulation resistance annually to ensure electrical integrity and safe operation over time.