Marathon Electric MG574 TEFC General Purpose Motor 1 Phase 1-1/2 hp 1800 RPM - MG574

Marathon Electric MG574 TEFC General Purpose Motor 1 Phase 1-1/2 hp 1800 RPM - MG574

The Marathon Electric MG574 is a durable general-purpose motor designed for various applications. This motor operates at one and a half horsepower and delivers a speed of one thousand eight hundred revolutions per minute. It is built with a robust TEFC enclosure, making it suitable for harsh environments.

Product Highlights

This durable motor is intended for general use in various settings, including HVAC applications and industrial equipment. Its compact size and efficient design make it ideal for both stationary and portable applications.

Features

• Power: 1-1/2 horsepower
• Speed: 1800 RPM
• Enclosure: TEFC

Specifications

What our Experts Think

• Power & Speed: Delivers 7.5 HP at 3490 RPM, suitable for demanding industrial applications.

• Voltage Compatibility: Operates on 230/460V, 3-phase power, accommodating various electrical systems.

• Durable Construction: Features a 184JMV frame with a drip-proof enclosure, providing protection against dust and moisture while ensuring ventilation.

• Inverter Ready: Compatible with variable frequency drives (VFDs), supporting a 10:1 variable torque and 2:1 constant torque speed range.

• Thermal Protection: Equipped with Class F insulation and a service factor of 1.15, ensuring reliable operation under varying loads.

Q&A

Q: What is the Marathon ME163B motor used for?
The ME163B is a 7.5 HP, three-phase motor designed for close-coupled pump applications, where the pump impeller is mounted directly on the motor shaft.

Q: What are the motor’s electrical ?
It operates at 230/460 V, three-phase, with a speed of 3490 RPM.

Q: What type of enclosure does the motor have?
The motor features an Open Drip Proof (ODP) enclosure, suitable for clean and dry indoor environments.

Q: What is the frame size of the motor?
This motor uses a 184JMV frame.

Q: What is the service factor of the motor?
The motor has a service factor of 1.15, allowing for brief overloads up to 15% above rated load.

Maintenance Tips

1. Regular Inspections: Conduct visual inspections every 500 hours or quarterly to detect signs of wear, noise, or overheating.

2. Lubrication: The MG574 motor features double-sealed ball bearings and does not require additional lubrication.

3. Electrical Connections: Ensure all terminals are tight and free from corrosion.

4. Cleaning: Keep the motor and surrounding area free of dust and debris to maintain proper ventilation.

5. Performance Monitoring: Regularly check motor performance to detect any decrease in efficiency or power.